Antibiotics Flashcards
PUD, H. Pylori+
Tetracycline + metronidazole + bismuth + PPI
Diphtheria
Diptheria anti-toxin + erythromycin or PCN
acute otitis media
amoxicillin, augmentin
cefdinir (PCN allergy)
HSV
Acyclovir
PID
Doxy + ceftriaxone
Shingles/Ramsay Hunt Syndrome/herpes zoster ophthalmicus
Acyclovir
Malaria
Chloroquine
Rocky Mountain spotted fever
Doxy (even in young children)
Anthrax
Ciprofloxacin
Acute epiglottitis
Ceftriaxone + vancomycin
HAP, suspected legionella
Cefepime (pseudomonas) + (levofloxacin or gentamicin) + azithromycin (legionella)
PNA, PCP
TMP-SMX
Meningitis, <1mos
Ampicillin + cefotaxime
Septic thrombophlebitis
Penicillin + gentamicin
Campylobacter enteritis
Erythromycin
Anorectal abscess
None
Bacterial conjunctivitis, general
Erythromycin drops
Giardia lamblia
Metronidazole
Peritonsilar abscess
Unasyn (ampicillin + sulbactam)
Acute sinusitis
Amoxicillin
Or Doxycycline
Or Bactrim
UTI/pyelonephritis, pregnancy
Amoxicillin or macrobid
Acute endocarditis, native valve
Nafcillin + gentamicin
+/- vancomycin (MRSA)
Meningitis, 1mos-50y
Ceftriaxone + vancomycin
Cholangitis
PCN + gentamicin
HCV
Pegylated interferon-alpha-2b + ribavirin
otitis externa
ciprofloxacin/dexamethasone
Toxoplasmosis
Bactrim
CAP, ICU, no comorbidities
Ceftriaxone + azithromyacin
OR
Ceftriaxone + levafloxacin
Tropheryma whipplei (Whipple’s disease)
Penicillin
Bacterial vaginosis
Metronidazole (Flagyl)
keratitis
moxifloxacin (bacterial; multi-microbial) acyclovir ointment (HSV)
Subacute endocarditis, native valve
Penicillin/ampicillin + gentamicin
+/- vancomycin (IVDU)
Acute osteomyelitis, newborn <4mos
Nafcillin/oxacillin + ceftazidime (GBS)
Toxic shock syndrome
Clindamycin + oxacillin/nafcillin
UTI, complicated
Ciprofloxacin + gentamicin
Prostatitis
Ciprofloxacin or bactrim
Trichomoniasis
Metronidazole
Acute osteomyelitis, puncture wound
Ciprofloxacin (pseudomonas)
Bacterial conjunctivitis, G/C
IV ceftriaxone (G) azithromycin (C)
CMV
Ganciclovir
CAP, outpatient, no comorbidities
Amoxicillin (typical)
Azithromycin or Doxy (atypical)
Cellulitis
Clindamycin
If cat bite (pasteurella) —> augmentin
Puncture wound (pseudomonas) —> ciprofloxacin
Latent TB
INH + pyridoxine x9mos (INH sensitive)
INH + pyridoxine x12mos (granuloma on CXR or HIV+)
RIF+PZA x4mos (INH-resistant)
Gastritis, H.Pylori+
Clarithromycin + amoxicillin + PPI
PCN allergy: metronidazole
Meningitis, >50y
Ampicillin + ceftriaxone + vancomycin
Gonorrhea
Ceftriaxone
Active Tuberculosis
Rifampin x6mos
Isoniazid x6mos
Pyrazinamide x2mos
+/- Ethambutol x6mos (if multi-resistant to RIF+INH)
Botulism
Botulism anti-toxin; PCN if wound
CAP, inpatient, no comorbidities
Ceftriaxone + azithromycin
OR
Levafloxacin
Tetanus
Tetanus immune globulin + metronidazole + Tdap
Enterotoxogenic E. Coli diarrhea
Flouroquinolone (cipro/levofloxacin)
HBV
Alpha-interferon-2b + lamivudine + adefovir
HAP, suspected MRSA
Cefepime (pseudomonas) + (levofloxacin or gentamicin) + vancomycin (MRSA)
Typhoid fever (salmonella)
Ciprofloxacin/levofloxacin
HAP, no comorbidities
Cefepime (pseudomonas) + (levofloxacin or gentamicin)
Bacterial conjunctivitis, contact lenses
Ciprofloxacin drops
Pertussis
Erythromycin/azithromycin
abx do not actually decrease severity of dx, just decreases contagiousness
C. Diff
Metronidazole or vanco PO
Cat scratch disease
Amoxicillin (if severe)
Impetigo
Mupirocin
Endometritis, c-section
Clindamycin + gentamicin
Septic shock
Zosyn + ceftriaxone
+/- vancomycin (MRSA)
+/- gentamicin (pseudomonas)
+/- clindamycin or metronidazole (intrabdominal)
Diverticulitis
Cipro + metronidazole
Amebiasis
Metronidazole
Orbital cellulitis
Vancomycin
Clindamycin
Cefotaxime
Endometritis, vaginal delivery or chorioamnioitis
Ampicillin + gentamicin
Acute osteomyelitis, child >4mos
Nafcillin/oxacillin OR cefazolin (S. Aureus)
Vanco if MRSA
HAP, suspected PCP
Cefepime (pseudomonas) + (levofloxacin or gentamicin) + Bactrim/steroids (PCP)
Vaginal candidiasis
Miconazole
Chancroid
Azithromycin (H. Ducreyi)
Acute osteomyelitis, sickle cell disease
Ceftazidime or ciprofloxacin (salmonella)
Pinworm
Albendazole
Chlamydia
Azithromycin OR doxy
UTI, uncomplicated
Ciprofloxacin OR bactrim
Dacrocystitis (lacrimal gland infection)
Clindamycin + ceftriaxone
Shigella
Bactrim
Aspiration pneumonia
Clindamycin or augmentin +/- metronidazole
Endocarditis, prosthetic valve
Vancomycin + gentamicin + rifampin (S. Aureus)
COPD exacerbation
Azithromycin
Rabies
Rabies vaccine (days 0,3,7,14) Rabies immune globulin
Septic Arthritis
Gram +: nafcillin or vanco (if MRSA)
Gram - cocci: ceftriaxone
Gram - rods: ceftriaxone + gentamicin (pseudomonas)
Epididymitis
Men <35y: azithromycin + ceftriaxone
Children + older men: ciprofloxacin
Ludwig’s angina
Penicillin
Flagyl
Candida vulvovaginitis
Fluconazole
Lyme
Doxy or amoxicillin if <8y