antibiotics l.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Antibiotics PowerPoint Presentation
Download Presentation
Antibiotics

Loading in 2 Seconds...

play fullscreen
1 / 30

Antibiotics - PowerPoint PPT Presentation


  • 332 Views
  • Uploaded on

Antibiotics. Ch 37. Definition. Medications to treat bacterial infections Ideally, culture of suspect area should be done BEFORE starting antibiotic. Classifications. Sulfonamides Penicillins Cephalosporins Tetracyclines Macrolides Aminoglycosides Quinolones . Uses.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Antibiotics' - Anita


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
definition
Definition
  • Medications to treat bacterial infections
  • Ideally, culture of suspect area should be done BEFORE starting antibiotic
classifications
Classifications
  • Sulfonamides
  • Penicillins
  • Cephalosporins
  • Tetracyclines
  • Macrolides
  • Aminoglycosides
  • Quinolones
slide4
Uses
  • Treatment of exisiting infection
  • Prevention of infection
responses
Responses
  • Therapeutic – decrease in s/s of infection
  • Subtherapeutic – s/s of infection do not improve
  • Superinfection
  • Antibiotic resistance
  • Allergic reactions
actions
Actions
  • Bactericidal = kill bacteria
  • Bacteriostatic – slow or interfere with growth of bacteria
sulfonamides
Sulfonamides
  • Bacteriostatic
  • Treat: utis
  • Pneumocystis carinii pneumonia (PCP)
  • URIs
  • Otitis media
  • Often in combinatiion
    • Bactrim, Septra, Pediazole, Gantrisin
sulfonamide side effects
Sulfonamide Side Effects
  • Anemia, thrombocytopenia
  • Photosensitivity
    • Avoid tanning beds
    • Avoid sunlight
  • N-V-D
  • uriticaria
penicillins
Penicillins
  • Natural
    • Penicilllin G
    • Penicillin V
  • Aminopenicillins
    • Amoxicillin
    • Ampicillin
  • Penicillinase-resistant
    • Oxacillin
    • Nafcillin
pcn adverse effects
PCN Adverse Effects
  • Allergy
    • Rash, swelling, itching
cephalosporins
Cephalosporins
  • Semisynthetic
  • Related to penicillin
  • Bactericidal
  • 4 generations
cephalosporin uses
Cephalosporin Uses
  • Surgical prophylaxis
  • URIs
  • Otitis media
cephalosporin examples
Cephalosporin Examples
  • Ancef
  • Kefzol
  • Mefoxin
  • Ceftin
  • Rocephin – also used to tx meningitis
macrolides
Macrolides
  • Erythromycin
  • Zithromax
  • Biaxin
macrolide uses
Macrolide Uses
  • Strep infections
  • Mild-to-moderate URIs
  • Lyme disease
  • STDs
macrolide side effects
Macrolide Side Effects
  • GI
    • N-V-D
    • Hepatotoxicity
    • Flatulence
    • anorexia
tetracyclines
Tetracyclines
  • Tetracycline
  • Vibramycin
  • Minocycline
  • Bacteriostatic action
tetracycline uses
Tetracycline Uses
  • Syphilis
  • Lyme disease
  • Pleural & pericardial effusions
tetracyclines20
Tetracyclines
  • Effectiveness reduced by
    • Dairy products
    • Antacids
    • Iron
  • Will discolor teeth
  • May slow fetal skeletal development
tetracycline side effects
Tetracycline Side Effects
  • N-V-D
  • Superinfection
  • Pseudomembranous colitis
aminoglycosides
Aminoglycosides
  • Gentamicin
  • Kanamycin
  • Neomycin
  • Streptomycin
  • amikin
aminoglycosides23
Aminoglycosides
  • Poor oral absorption
  • No oral forms, only IV
  • TOXICITY cautions
    • Nephro
    • oto
  • Bactericidal action
aminoglycosides24
Aminoglycosides
  • Pseudomonas
  • E.coli
  • Klebsiella
  • Often used along with other antibiotics
quinolones
Quinolones
  • Cipro
  • Floxin
  • Levaquin
  • Tequin
quinolones26
Quinolones
  • Excellent oral absorption
  • Antacids interfere with absorption
  • bactericidal
quinolones27
Quinolones
  • Lower respiratory tract infections
  • Bone & joint infections
  • Infectious diarrhea
  • UTIs
  • Skin infections
  • STDs
  • Anthrax
quinolone side effects
Quinolone Side Effects
  • HA
  • N-V-D
  • Allergic reaction
others
Others
  • Vancomycin
    • Tx of MRSA
    • Must monitor blood levels
    • Caution: oto & nephro-toxic
nursing
Nursing
  • Instruct pt to take meds for full length of time – do not stop when feeling better
  • Assess for s/s of superinfection
  • All oral antibiotics are better absorbed if taken with a minimum of 6 – 8 ounces of water