Infectious Diseases Flashcards
Scarlet Fever rash
Erysipelas
Impetigo
Jones Criteria: Major Criteria (5)
- Carditis
- Erythema marginatum
- Subcutaneous nodules
- Sydenham’s chorea
- Arthritis
Jones Criteria: Minor Criteria (7)
- Fever
- Polyarthralgias
- Reversible prolongation of the PR interval
- Rapid ESR
- Elevated CRP
- Leukocytosis
- History of rheumatic fever
Streptococcal pharyngitis: Management
Penicillin G or VK, Augmentin. Macrolides if PCN allergic. Clindamycin
Impetigo: Management
Topical Mupirocin (Bactroban) treatment of choice.
PO keflex, erythromycin, clindamycin
Cellulitis: Managment
- Cephalexin, dicloxacillin
- Clindamycin or erythromycin (if PCN allergic)
- MRSA: Bactrim 2nd best PO med for MRSA; clindamycin, doxycycline, vancomycin, daptomycin, linezolid
Erysipelas: Management
IV PCN. Vancomycin (if PCN allergic or MRSA suspected)
Cat bite: Management
- Augmentin
- If PCN allergic –> Clindamycin + (Moxifloxacin or Bactrim)
Necrotizing fasciitis (Flesh eating disease): Management
- Surgical debridement + broad spectrum abx (ex: Unasyn, Zozyn, imipenem)
Osteomyelitis: Management
Nafcillin or Oxacillin (+/- Unasyn, Zosyn, Imipenem)
FQs if sickle cell disease
Septic Arthritis: Management
- Arthrotomy + abx. If gram positive –> Nafcillin, Vanco, Clindamycin. If gram negative –>ceftriaxone
Diphtheria: Management
- Diphtheria antitoxin (horse serum) + erythromycin or penicillin x 2 weeks
- Erythromycin is given to close contacts
Erysipeloid
Erysipeloid: Management
- Penicillin G, cephalosporin, clindamycin (Good gram positive coverage)
Tetanus: Management
- Metronidazole or PCN G + Tetanus immune globulin (ex: 5,000 units)
- Diazepam (Benzos used to reduce spasms)
Gas Gangrene: Management
- Penicillin 2 million units q3h IV
- Tetracycline, clindamycin, metronidazole
Botulism: Management
- Antitoxins in all cases*. Respiratory support: intubation if respiratory failure
- Cathartics to remove toxins. No abx in foodbourne type (may worsen)
- Antibiotics ONLY used in wound botulism: PCN G, chloramphenicol, clindamycin
Listeriosis: Management
IV Ampicillin tx of choice* + gentamicin (synergistic). Bactrim
Chlamydia: Management
1 g Azithromycin (one time dose) or Doxycycline 100mg bid for 10 days. Re-test in 3 weeks to ensure clearance of the organism. Also tx for gonorrhea.
Gonorrhea: Management
Ceftriaxone 250mg IM, Cefixime. Tx for chlamydia
Meningiococcal meningitis: Management
Penicillin G tx of choice*. Chloramphenicol, 3rd generation cephalosporin
Meningococcal meningitis: Prophylaxis
Ciprofloxacin or Rifampin
Chancroid: Management
- Azithromycin 1 g x 1 dose
- Ceftriaxone 250mg IM
- Erythromycin
- Cipro