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HEADACHE. UKM FAMILY MEDICINE TELECONFERENCE 11 TH FEB 2014 BY DR NAZIHAH MOHD KHALID SUPERVISOR: DR IRENE LOOI, CONSULTANT NEUROLOGIST HOSPITAL SEBERANG JAYA. GENERAL OBJECTIVE.

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headache

HEADACHE

UKM FAMILY MEDICINE TELECONFERENCE 11TH FEB 2014

BY DR NAZIHAH MOHD KHALID

SUPERVISOR: DR IRENE LOOI, CONSULTANT NEUROLOGIST HOSPITAL SEBERANG JAYA

general objective
GENERAL OBJECTIVE
  • At the end of this session, the postgraduate trainees in Family Medicine should be able to discuss the differential diagnosis of headache including providing appropriate treatment and advice to the patient.
specific objectives
Specific Objectives
  • Formulate a differential diagnosis of headache-either primary and secondary
  • Recognize warning signs of symptomatic (secondary) headaches
  • Differentiate the common causes of headache
  • Understand the current theories about the pathophysiology of migraine
  • Initiate acute and long term treatment of migraine
introduction
Introduction
  • Headaches are one of the most common neurological problems presented to primary care and neurologists.
  • They are painful and debilitating for individuals, an important cause of absence from work or school and a substantial burden on the society.
epidemiology
Epidemiology
  • Almost everyone experience headache at some point of their life
  • Headache affects 95% of people in their life-time
  • Headache affects 75% of any people in one year
  • One in 10 people have migraine
  • One in 30 people have headache more often than not, for 6 months or more
  • At least 90% of patients seen in neurology clinic with headache will have migraine, tension type headache or chronic daily headache syndrome
  • Sinister cause of headache are rare, perhaps 0.1% of all headache in primary care
classification
Classification
  • Headache disorders are classified into primary and secondary based on the International Classification of Headache Disorders, 2nd Edition (ICHD-2).
  • Primary headache
  • Etiology not well understood.
  • Classified according to their clinical pattern.
  • Most common are tension type headache, migraine and cluster headache.
  • Medication overuse headache is common in those taking medication for a primary headache disorder.
slide7

2. Secondary headache

  • Organized by the underlying cause.
  • Search for red flags, both in the history and on general and neurologic examination.
  • Recommend confirmatory testing
diagnosis
Diagnosis
  • The accurate diagnosis of headache relies heavily on a careful history, supplemented by detailed general and neurological examinations.
  • Elements of the history and physical examination enable the clinician to diagnose primary headache disorders, and to elicit suspicion of secondary headache disorders (warning flags) that require prompt investigations.
slide13

Do not refer patients diagnosed with tension type headache, migraine, cluster headache or medication overuse headache for neuroimaging solely for reassurance.

  • Include the following in the discussion with the patients:
  • A positive diagnosis, including an explanation of the diagnosis and reassurance that other pathology has been excluded
  • Options of management
  • Recognition that headache is a valid medical disorder that can have a significant impact on the person and their family or carers
headache diary
Headache Diary
  • Aid the diagnosis of primary headaches
  • Record the following for a minimum of 8 weeks
  • Frequency, duration and severity of headaches
  • Any associated symptoms
  • All prescribed and over the counter medications taken to relieve the headaches
  • Possible precipitants
  • Relationship of headache to menstruation
slide19

Consider further investigations or referral for patients who present with new onset of headache and any of the following:

  • Compromised immunity, for example, HIV or immunosuppresive drugs
  • Age under 20 years old and history of malignancy
  • A history of malignancy known to metastasize to the brain
  • Vomiting without other obvious cause
migraine
Migraine
  • Migraine headache is one of the most common, yet potentially debilitating disorders encountered in primary care.
  • Thorough history and physical examination can help confirm the diagnosis of migraine and rule out emergent condition.
  • Evidence based aid for migraine diagnosis POUND
  • Pulsatile quality of headache
  • One day duration (four to 72 hours)
  • Unilateral location
  • Nausea or vomiting
  • Disabling intensity
slide22

Prodrome

  • Affects 1 in 10 patients at most
  • Usually 24-48 hours before headache
  • E.g. mood change, behavioral change, yawning, hunger, cravings, fatique (or the opposite)
  • Aura
  • Affects up to 30%
  • Typically precedes the headache, evolving and subsiding over 5-60 minutes
  • There is often “no man’s land” period between resolution of the aura and headache emergence, usually less than 60 minutes
slide23

Aura

  • May sometimes intrude upon, or occur only during the headache phase.
  • Typically visual, although almost any neurological symptoms may occur.
  • The aura may occur in isolation, termed typical aura without headache. Here focal epilepsy or transient ischaemic attacks (TIA) enter the differential. The length and evolution of attacks are helpful discriminators, focal seizures usually lasting seconds to minutes, TIAs do not evolve.
slide24

The nature of aura may change over time and, when it does, it often alarms the patients. However this remains entirely consistent with migraine and does not indicate the need for urgent investigations.

  • People with aura who lose the associated headache as they get older, rarely complain; those who acquire aura in isolation, often in middle age, present typically to the TIA or eye clinic.
slide26

Migraine headache is typically severe, throbbing and unilateral. Typically, it lasts for 24 hours or less but can continue for 72 hours, and occasionally longer (hours to days).

  • It often improves after vomiting and/or sleep, and generally improves with analgesia.
  • Associated features; most migraine patients complain of at least one of nausea/vomiting and dislike of noise/light/movement, and often all of these.
  • Patients with migraine feel (and look) unwell, and may complain of more global features such as mood change or lethargy. Rarely, more dramatic features including acute confusional states and even coma.
slide27

Frequency: median is about 1.5 attacks per month, but at least 1 in 10 have weekly attacks.

  • Triggers: hunger, sleep deprivation and “stress” are all recognized, and certainly an assessment of the patient’s lifestyle is warranted.
  • Hormones: migraines during periods, migraine emerging in pregnancy or with exogenous estrogens are all well recognised. The difficulty is that the relationship is often inconsistent, with paradoxical effects. Patients who think that there is hormonal link must keep a daily dairy of headache and menstruation.
migraine management
Migraine (management)
  • Always assess whether any treatment at all is required-an explanation and reassurance may be sufficient.
  • Avoidance of triggering factors.
  • Simple housekeeping tips such as not skipping meals, adequate sleep etc and providing more information is often appreciated.
  • Explain that drug treatment is one avenue.
  • Before starting/adding drugs, look at the patient’s current medications and consider whether drug withdrawal is appropriate (e.g. COCP)
  • Explain how treatment should be used, symptomatic versus preventative treatment, so often confused by patients.
slide29

Symptomatic treatment is only effective for the headache/nausea elements; there is no symptomatic treatment for the aura.

  • Early nausea and vomiting are likely to reduce the absorption of oral medication, and the parenteral route might be better.
  • A stepped approach using simple analgesia first, is appropriate, as this is highly effective for many patients.
slide31

Preventive therapy may be appropriate for selected patients.

  • The US Headache Consortium’s recommended the following indications for preventive therapy:
  • Contraindications or intolerance to symptomatic therapy
  • Headache symptoms occurring more than two days per week
  • Headache severely limit quality of life despite symptomatic therapy
  • Presence of uncommon migraine condition, including hemiplegic migraine, basilar migraine, migraine with prolonged aura or migrainous infarction
slide33

Other treatments for migraine

  • Acupuncture: the only alternative treatment for migraine for which there is any evidence, it should be considered as a non-drug option, although limited availability.
  • Psychological intervention: no specific evidence to support its use, but a “pain management” approach may be helpful in patients with severe, drug resistant migraine provided medication overuse headache is kept in mind.
tension type headache tth
Tension Type Headache (TTH)
  • TTH is an ill-defined and likely heterogeneous syndrome.
  • Diagnostic criteria are based on more on what it is not rather than what it is.
  • By definition, TTH involve pain that is NOT localized, NOT throbbing, NOT aggravated by activity and NOT severe, associated neurologic, autonomic or migrainous features are NOT components of TTH.
  • NO significant nausea, NO vomiting, photophobia and phonophobia CANNOT both be present.
  • Finally, must exclude secondary causes of headache possibilities.
slide36

Most episodes develop during waking hours and progression over the course of the day is common.

  • The most frequently reported triggers for TTH are mental or physical stressors, which explains why the term “tension-type” headache. Used to be known as “stress” and “muscle contraction” headache.
  • Other commonly described triggers are hunger, dehydration, overexertion, alterations in sleep patterns, caffeine withdrawal and female hormonal fluctuations.
slide37

It is crucial to elicit the temporal pattern of the headache disorder during clinical assessment because the extensive symptoms overlap between primary and secondary headaches.

  • General and neurological examinations are key component to clinical evaluation and can provide clues to the potential presence of organic disease.
  • The difficulty in distinguishing ETTH from migraine headache, two of the most common episodic headache types, is widely acknowledged.
slide39

Slight female preponderance; female to male ratio 5:4

  • Most develop prior to age 30, with peak prevalence between the ages of 40 and 49 and a subsequent decrease with age in both sexes.
  • There is also a correlation between prevalence of ETTH and higher educational level.
  • Link exists between TTH and emotional distress of life tension. Environmental influences appear to carry greater importance than genetic factors in the development of TTH.
slide40

Although attacks of TTH are generally less disabling than those of migraine, work absence are common, and the total societal burden appears to exceed that of migraine because of the high prevalence of TTH.

tth management
TTH (Management)
  • Approach of management involves a combination of lifestyle, physical and pharmacologic measures.
  • Nonpharmacologic management should always be considered, although the scientific evidence is limited.
  • Recommendations for regulation of sleep, meals, and exercise are generally quite valuable.
  • Stress management and behavioral therapies are useful in the management of TTH
slide42

TTH is mainly managed through administration of medication during acute episodes.

  • Simple analgesics, nonsteroidal anti-inflammatory drugs (NSAIDs) and combination agents are most commonly recommended.
  • Their use should be strictly limited to an average of 2 to 3 days per week to avoid medication overuse headache and potential contribution toward transformation into CTTH.
slide43

NSAIDs are generally considered the drugs of choice for acute TTH.

  • Ibuprofen and naproxen sodium are listed as first line agents in the NSAIDs category because of the better gastrointestinal tolerability.
  • Opioid analgesics are not recommended for the management of TTH.
slide45

Preventive pharmacologic therapy is generally advised for those patients experiencing at least 2 to 3 headache days each week.

  • Although analgesic may be continue to be beneficial when taken at such levels, the issues of medication overuse headache and transformation into more refractory cases of CTTH must be considered.
slide46

Indications for the institution of daily pharmacologic preventive therapy:

  • Progression in frequency or severity of attacks
  • Development of adverse events with acute medications
  • Decline in efficacy of acute medications
  • These medications should be started at low doses and gradually increased based on efficacy and tolerability
slide47

Once an effective dose is reached, treatment is typically continued for 6 to 12 months, at which point daily medication may be tapered and the patient followed clinically.

slide48

The prognosis of TTH is generally favorable, with limited disability during headache occurrences and age related improvement or resolution of episodes later in life.

cluster headache
Cluster headache
  • Cluster headache is a primary headache disorder classified with similar conditions known as trigeminal autonomic cephalalgias.
  • Typified by recurrent attacks of unilateral pain, which are very severe and usually involve the orbital or periorbital region innervated by the first (ophthalmic) division of the trigeminal nerve.
  • Characteristic signs and symptoms of activation of the cranial autonomic pathways accompany the pain on the same side.
slide52

This condition has a heritable tendency in some families and first degree relatives of affected people have an estimated 14-48 fold increased risk of developing it.

  • Male to female ratio varies between 2.5:1 and 3.5:1
  • Patients typically start to develop the attack in their third to fifth decade.
slide53

The pain of cluster headache is unilateral(97%) of patients with episodic disease and mainly focused behind the eye (88-92%), over the temple (69-70%) or over the maxilla (50-53%).

  • Patients describe the pain as a sharp, piercing, burning or pulsating sensation like “having a red hot poker forced through my eye” and they reported that the intensity is so extreme it is unlike anything they have ever experienced (11 out of 10).
slide54

The attacks should last between 15 and 180 minutes, although on rare occasions they can last longer.

  • The onset is rapid and the sensation increases from serious discomfort to excruciating pain over the course of a few minutes.
  • The pain usually stays at maximal intensity for the duration of attack, although it may wax and wane slightly, or be punctuated by super intense stabs of pain.
  • The attack will often end as abruptly as it started.
slide55

Between 70% to 93% of patients describe a sense of restlessness and agitation during an attack and will often pace, rock back and forth, and bang their heads.

cluster headache management
Cluster headache (management)
  • The mainstay of abortive treatment consists of inhaled oxygen and parenteraltriptans.
  • Standard analgesia is ineffective and there is no evidence to support the use of NSAIDs, paracetamol, codeine or opioids in the treatment of individuals attack.
  • Oxygen: patients should continuously inhale 100% oxygen at 12L/min for at least 15 minutes through a non-rebreathing facemask
slide57

Triptans: parenteraltriptans have been shown to be an effective treatment for individual attacks, whereas orally administered triptans are not.

  • Preventive treatment

 Aims to suppress the attacks for the duration of the bout, or over longer periods in those with chronic cluster headache, with the fewer possible side effects.

slide58

The preventive drug of choice is verapamil.

  • Baseline ECG should be done before starting verapamil, and should be repeated 10 days after the dose change and reviewed before each dose increased, paying particular attention to the PR interval.
  • This is essential because relatively high incidence of heart block associated with verapamil.
  • Other side effects of verapamil are constipation, dizziness and peripheral oedema.
slide59

Verapamil can be slowly withdrawn and stopped once the bout is assumed to have ended and lower doses do not allow breakthrough attacks.

  • The maximum efficacious dose achieved can then be given at the beginning of the subsequent bouts, as long as baseline ECG remains within normal limits.
  • Other agents such as lithium, topiramate, sodium valproate, pizotifen and gabapentin are occasionally used with some success, although data from clinical trials are limited.
medication overuse headache moh
Medication overuse headache (MOH)
  • The International Classification of Headache Disorders, 2nd Edition states that for a diagnosis of MOH, all of the following criteria must be present:
  • Headache occurring on 15 or more days per month
  • Regular overuse for more than 3 months of one or more acute/symptomatic treatment drugs on 10 or more days per month; or simple analgesics alone or any combination of ergotamine, triptans and opioids on 15 or more days per month
  • Development or marked worsening of headache during medication overuse
slide62

MOH occurs only in patients with a history of primary headache.

  • It is most likely to affect patients with migraine and/or tension type headache.
  • MOH most prevalent in those aged 40-50 years and affects about three times more women than men.
  • Prevalence of MOH:

 General population:1% adults 0.5% adolescents (aged 13-18 years)

  • 25-64% in those attending tertiary care
  • 90% in patients with chronic daily headache
slide63

It is the frequency of doses rather than the absolute quantity of drug consumed that is important; lower daily doses carry a greater risk of causing MOH than larger weekly doses.

  • MOH is often present and at its worst on waking in the morning.
  • Patients with MOH develop tolerance and withdrawal symptoms which are similar to signs of dependence on drugs traditionally classified as addictive.
slide64

Diagnosis: patient’s history and clinical presentation.

  • History:
  • use of analgesics (including for reasons other than headache)
  • use of over-the-counter and prescribed medications
  • acute medications becoming less effective
  • escalation to using more drugs
slide65

Investigations are generally not required to diagnose MOH.

  • Assessment should also search for possible complications of regular drug intake (e.g. recurrent gastric ulcers, anaemia).
moh management
MOH (management)
  • The objectives in managing patients with MOH are:
  • Reduce the frequency and/or severity of headache
  • Reduce consumption of acute medication (and possibly dietary caffeine)
  • Improve responsiveness to acute and preventive medications
  • Alleviate disability and improve quality of life
slide67

These are addressed by the following means:

  • Stopping the overused medications
  • Managing withdrawal symptoms
  • Reviewing and reassessing the underlying primary headache disorder
  • Preventing relapse
slide68

British Associations for the Study of Headache state that patients with MOH fare better if they are motivated and understand that their “treatment” is likely to be causing their frequent headache.

  • They should be forewarned that withdrawal initially aggravates symptoms.
  • Withdrawal should be planned in advance to avoid unnecessary lifestyle disruption, and done under the supervision of a doctor or headache specialist nurse.
slide69

It may be necessary to arrange absence from work for 1-2 weeks.

  • The guidelines also recommend a diary to record symptoms and medication use during withdrawal, and good hydration should be maintained.
  • Most drugs causing MOH can be stopped abruptly.
  • The Scottish Intercollegiate Guideline Network suggests that opioids and benzodiazepines should be withdrawn gradually.
  • Gradual reduction in caffeine intake may be preferable to abrupt withdrawal.
slide70

The withdrawal headache and associated symptoms varies depending on the types of medications that have been overused.

  • Overall improvement occurs within 7-10 days when the causative drug is a triptans; after 2-3 weeks when it is simple analgesics; and after 2-4 weeks when it is an opioid.
slide71

The mean success rate for withdrawal therapy (defined as at least a 50% reduction in headache days) over 1-6 months is around 72%.

  • Factors that affect the likelihood of successful withdrawal include:
  • The duration of regular drug intake (a longer duration is associated with a worse prognosis)
  • The specific drug overused (e.g. withdrawal from triptans has a better prognosis than other drugs)
  • The underlying headache type (e.g. TTH plus combined TTH and migraine have higher risk of relapse than other types)
  • Low self reported sleep quality (associated with worse prognosis)
  • High self reported bodily pain (associated with worse prognosis)
slide72

Managing withdrawal symptoms

  • Treatment of vomiting: antiemetic (metoclopramide, domperidone)
  • Use of NSAIDs: naproxen (250mg TDS or 500mg BD for 3-4 weeks then stopped or taken for 6 weeks-TDS for 2weeks,then BD for 2 weeks, then OD for 2 weeks)
  • Corticosteroids: studies shown mixed results
  • Triptans
slide73

Addressing the primary headache

  • Symptomatic relief (if needed) may be reintroduced for symptomatic relief after 2 months, with explicit restriction to ensure that the frequency of use does not exceeds 2 days per week on a regular basis.
  • For those on prophylaxis medication, the efficacy may return after successful withdrawal of the overused medication.
slide74

Preventing relapse of MOH

  • Defined as frequent use of any acute headache medication on more than 15 days per month for at least 3 months after recovery from previous MOH.
  • Most relapses occur within the first year after withdrawal.
  • Risk factors for relapse:
  • TTH or migraine plus TTH, rather than migraine alone
  • Longer duration of migraine with more than 8 headache days per month
  • Lower improvement after drug withdrawal
  • Greater number of previous preventive treatments tried
  • Male gender
  • Intake of combined analgesic drugs
slide75

How to prevent relapse:

  • Monitor regularly
  • Combination drugs should be avoided
  • May require extended support (social)
  • Primary headache must be treated using different approach other than medications-massage, acupuncture, behavioral therapies.

Patients with MOH should be referred to neurologist if attempted withdrawal fails in primary care. Patients who have psychiatric comorbid or drug dependence behavior should have these conditions treated additionally.

secondary headaches
Secondary headaches

ICHD-11 defined secondary headaches as follows:

  • Headache attributed to head and neck trauma
  • Headache attributed to cranial or cervical vascular disorder
  • Headache attributed to nonvascular intracranial disorder
  • Headache attributed to a substance or its withdrawal
  • Headache attributed to infection
  • Headache attributed to disturbance of homeostasis
  • Headache attributed to psychiatric disorder
  • Headache or facial pain attributed to disorder of cranium, neck, eyes, ears, nose, sinus, teeth or other facial or cranial structures
slide77

During history, symptoms suggestive of secondary cause should become obvious.

  • Red flags should be elicited and ensure the following have been covered:
  • Other neurological symptoms: unless part of typical migraine aura or autonomic features, these should always suggest a secondary cause
  • Systemic features: weight loss, fever, and other systemic features should stimulate concern. Patients with benign headache are not persistently unwell.
slide78

The key issue is how the headache evolved.

  • One which reaches its maximum intensity immediately or within minutes always suggests subarachnoid haemorrhage (SAH), even though only about 10-25%of such patients will prove to have this.
  • Unfortunately, there are no accurate discriminators in the history, and although other neurological symptoms, neck stiffness, vomiting, seizures or transient disturbances of consciousness, all indicate an increased likelihood of SAH, their absence does not exclude it.
slide79

Other important secondary causes of abrupt onset headache include:

  • Ischaemic stroke, especially due to arterial dissection
  • Intracerebralhaemorrhage, sometimes with no localising signs
  • Intracranial venous thrombosis
  • Intermittent hydrocephalus
  • Meningoencephalitis
slide80

Evaluation of patients with headache and any of the following features, and consider for further investigations and/or referral:

  • Worsening headache with fever
  • Sudden onset headache reaching maximum intensity within 5 minutes
  • New onset neurological deficit
  • New onset cognitive dysfunction
  • Change in personality
  • Impaired level of consciousness
  • Recent (typically within the past 3 months) head trauma
slide81

Headache triggered by cough, valsalva (trying to breathe out with nose and mouth blocked) or sneeze

  • Headache triggered by exercise
  • Orthostatic headache (headache that changes with posture)
  • Symptoms suggestive of Giant Cell Arteritis (also known as temporal arteritis, characterised by the inflammation of the walls of medium and large arteries. Branches of the carotid artery and the opthalmic artery are preferentially involved, giving rise to symptoms of headache, visual disturbances and jaw claudication)
  • A substantial change in the characteristics of their headache
slide82

Symptoms and signs of acute narrow angle glaucoma (an uncommon eye condition that results from blockage of the drainage of fluids from the eye. Symptoms of acute glaucoma may include headache with a painful red eye and misty vision or haloes, and in some cases nausea. Acute glaucoma may be differentiated from cluster headache by the presence of semi dilated pupil compared with the presence of a constricted pupil in cluster headache)

slide83

Depression: headache is not uncommon symptom of depression, although there may also be overlap with other disorder as well.

paediatric headache
Paediatric Headache
  • Headaches are common during childhood and become more common and more frequent during adolescence
  • The environment of a child’s world includes school, home, and community
  • All of these areas have profound influences on headache
epidemiology1
Epidemiology
  • The prevalence of headache ranged from 37% to 51% in those who were at least 7 years of age and gradually rose to 57% to 82% by age 15
  • Before puberty, boys are affected more frequently than girls, but after the onset of puberty, headaches occur more frequently in girls
classifications
Classifications
  • Rothner-a more practical approach to paediatric headache
  • He classifies into 4 patterns that are easily distinguishable from each other
  • Location of pain and duration is not very important
evaluation
Evaluation
  • Medical evaluation requires a thorough history followed by a complete physical and neurological examination
  • A detailed neurologic examination is essential
  • More than 98% of children with brain tumors have objective neurological findings
  • CT or MRI is indicated in some patients with acute headache, chronic progressive headache pattern and focality on neurological examination
migraine paeds
Migraine (paeds)
  • Migraine with or without aura is the most common form of acute recurrent headache in children
m igraine treatment
Migraine (treatment)
  • Divided into 2 phases:
  • General measures

-confidently reassure patient and caregivers

-identify and removing headache triggers (disrupted sleep, skipped meals, stress), regulating lifestyle and instituting behavioral therapies (relaxation techniques, stress management)

-caffeine-abuse or withdrawal can precipitate headache in adolescents

slide92

Pharmacologic management

-intermittent use of analgesics

-successful use of analgesics includes:

1)taking enough medication

2)taking medication early in the course of the headache

3)making medication available to the child (especially at school)

conclusions
Conclusions
  • Most headache are due to a primary headache syndrome
  • A detailed clinical history and complete general and neurological examinations, with special attention to the red and yellow flags, are fundamental to this process.
  • Patients want an adequate hearing of their symptoms, followed by a diagnosis and understandable explanation.
  • Most patients need reassurance, some will benefit from treatment and few require investigations.
slide100

Some headache syndromes are amenable to medical treatment (e.g. migraine) but others are much less so (chronic daily headache) and an honest explanation is usually appreciated.

  • Above all, patients want someone who is interested in their headache and who will listen to their story.
case scenario 1
Case scenario 1
  • Aini, a 25-year old single lady complains of headache, intermittently for 3 months duration. The headache is progressively worse since a month ago whereby she will experience it almost every day. She describes the headache as tight band in nature and frequently happens at work. There is no aura or other symptoms noted.
  • How would you manage her?
case scenario 2
Case scenario 2
  • A 32 year old man comes to your clinic complaining of headaches. He began having headaches about two months ago. They usually occur at the end of the day, seem to start at the back of his head, and are of a throbbing nature. They occasionally radiate out onto the tops of his shoulders, or up over the top of his head. Ibuprofen usually, but not always, relieves his pain. He has history of childhood asthma, and aside from ibuprofen PRN for the headaches, he takes no other medications. He has recently gotten a promotion at work, and is working 12 hours a day 6 or 7 days a week, and hasn’t been to the gym in a month.
  • The patient states that his 37 y/o first cousin suddenly started having headaches last year and was found to have a brain tumor. The patient demands that you give him a referral for an MRI.
  • Is neuroimaging appropriate in this patient?
  • What are the indications for imaging in patients with headache?
  • What is the most appropriate radiologic screening test in patients with new onset headache?
case scenario 3
Case scenario 3
  • Lesley is a 35 year old woman with a 10-year history of migraines. The frequency of her migraines has increased from one to two–three per month, and they seem to be triggered by sleep deprivation and stress. The migraines include visual auras which precede the headache. Lesley has two children aged 2 and 4 years and no other relevant medical history.
  • Lesley presents to her GP with a 24 hour history of unilateral severe throbbing headache which is associated with photophobia, nausea and vomiting (three times in 24 hours). As discussed previously with her GP, Lesley’s initial self-management is naproxen 275mg and metoclopramide 10 mg orally with a repeated dose of naproxen 275mg every four hours. Lesley has had no symptom relief from the naproxen. Lesley has been unable to attend work or care for her children and states that she rarely has such a severe attack.
  • On examination Lesley looks pale and tired. Blood pressure is 120/75 mmHg, heart rate regular at 70 beats per minute and her Glasgow Coma Scale is 15/15. Apart from the photophobia she has no other obvious neurological signs or symptoms and the remainder of her other physical examination is normal.
  • How would you manage Lesley’s condition?
  • If Lesley requests for treatment to reduce the frequency of her headaches, what would you prescribe and why?
case scenario 4
Case scenario 4
  • Joseph is a 14-year-old boy. He attends your clinic accompanied by his mum, Claire. He presents with a 2-month history of headaches that he describes as “banging” and that make his head “very very painful”. He says that in the past 2 months he has had 6 of these headaches. He also says that light hurts his eyes when he has the headaches. He does not feel nauseous or vomit during the headaches. Claire tells you that when Joseph has the headaches he is unable to go to school and that the headaches last from 2 to 4 hours. She gives Joseph paracetamol and if that doesn’t work she also gives him ibuprofen. Joseph reports that this combination of medication helps but that it still hurts a lot until the headache eventually goes completely.
  • Joseph and Claire ask if Joseph’s headaches are migraines
  • Is anything more he can take to ease the pain and reduce the amount of time he is taking off school?
  • How would you manage Joseph as compared to Lesley?