ALL THE COMSAE EXAM WITH COMPLETE
SOLUTIONS 2026/2027
✓
✓
Giardia lamblia - correct answer. tinidazole or nitazoxanide (alt: metronidazole)
Entamoeba histolytica - correct answer.metronidazole or tinidazole, then
paromomycin or iodoquinol
Ascaris lumbricoides - correct answer.albendazole or mebendazole
Necator americanus - correct answer.albendazole (alt: mebendazole)
Trichinella spiralis - correct answer.albendazole + prednisone
Enterobius vermicularis - correct answer.mebendazole Shistosoma
spp. - correct answer.praziquantel
Diphyllobothrium latum - correct answer.praziquantel (alt: niclosamide)
Yersinia Pestis - correct answer.Streptomycin (alt: gentamicin
Adenovirus (severe infection) - correct answer.cidofovir + probenecid
Influenza A (seasonal), Influenza B, adn avian flu (H5N1) - correct
answer.zanamivir or oseltamivir
Measles - correct answer.-Children: vitamin A
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,-Adults: ribavirin
Smallpox - correct answer.smallpox vaccine within 4 days of exposure +
cidofovir + probenecid
Osteomyelitis (<4 months old) - correct answer.nafcillin or oxacillin
+ ceftazidime or cefepime
Osteomyelitis (4 months - adult) - correct answer.nafcillin or oxacillin
Herpes Encephalitis - correct answer.-acyclovir
-if HSV (+): acyclovir
-If not HSV (+): DOC for specific etiologic agent
Encephalitis due to Rickettsia, Anaplasma, Ehrlichia, Bartonella, or Mycoplasma
- correct answer.Doxycycline
Encephalitis due to Borrelia burgdorferi - correct answer.Ceftriaxone
Meningitis in neonate, child, or adult - correct answer.ampicillin +
cefotaxime + gentamicin + ceftriaxone or cefotaxime + dexamethasone
+ vacomycin
Meningitis in alcoholics, people >50, people with severe comorbid diseases, or
anyone who is immunocompromised - correct answer.ceftriaxone or cefotaxime
+ dexamethasone + vacomycin + ampcillin
Meningitis prophylaxis if hemophilus influenzae - correct answer.rifampin
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, Meningitis prophylaxis if neisseria meningitidis - correct answer.rifampin
or ceftriaxone or ciprofloxacin
Otitis externa - correct answer.acetic acid + propylene glycol + hydrocortisone
drops or
Cirpofloxacin + hydrocortisone drops
Otitis media - correct answer.-amoxicillin if <2 y/o
-analgesics if >2 with no pain or fever
Viral conjunctivitis - correct answer.nothing or chilled artificial tears
Bacterial conjunctivitis - correct answer.fluoroquinolone drops
Neonatal conjunctivitis with onset within 1st day of life - correct answer.nothing
Neonatal conjunctivitis with onset within 2-4 days of life - correct answer.IV
ceftriaxone
+ PO erythromycin
Neonatal conjunctivitis with onset within 3-10 days of life - correct answer.PO
erythromycin
Neonatal conjunctivitis with onset within 2-16 days of life - correct
answer.topical antivirals + IV acyclovir
Ophthalmia neonatorum prophylaxis - correct answer.tetracycline ointment or
erythromycin ointment
Post-antibiotic diarrhea - correct answer.Metronidazole
Travel associated diarrhea - correct answer.fluoroquinolone or rifaximin
-if a child or pregnant: azithromycin
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SOLUTIONS 2026/2027
✓
✓
Giardia lamblia - correct answer. tinidazole or nitazoxanide (alt: metronidazole)
Entamoeba histolytica - correct answer.metronidazole or tinidazole, then
paromomycin or iodoquinol
Ascaris lumbricoides - correct answer.albendazole or mebendazole
Necator americanus - correct answer.albendazole (alt: mebendazole)
Trichinella spiralis - correct answer.albendazole + prednisone
Enterobius vermicularis - correct answer.mebendazole Shistosoma
spp. - correct answer.praziquantel
Diphyllobothrium latum - correct answer.praziquantel (alt: niclosamide)
Yersinia Pestis - correct answer.Streptomycin (alt: gentamicin
Adenovirus (severe infection) - correct answer.cidofovir + probenecid
Influenza A (seasonal), Influenza B, adn avian flu (H5N1) - correct
answer.zanamivir or oseltamivir
Measles - correct answer.-Children: vitamin A
Downloaded by Walter Peter ()
,-Adults: ribavirin
Smallpox - correct answer.smallpox vaccine within 4 days of exposure +
cidofovir + probenecid
Osteomyelitis (<4 months old) - correct answer.nafcillin or oxacillin
+ ceftazidime or cefepime
Osteomyelitis (4 months - adult) - correct answer.nafcillin or oxacillin
Herpes Encephalitis - correct answer.-acyclovir
-if HSV (+): acyclovir
-If not HSV (+): DOC for specific etiologic agent
Encephalitis due to Rickettsia, Anaplasma, Ehrlichia, Bartonella, or Mycoplasma
- correct answer.Doxycycline
Encephalitis due to Borrelia burgdorferi - correct answer.Ceftriaxone
Meningitis in neonate, child, or adult - correct answer.ampicillin +
cefotaxime + gentamicin + ceftriaxone or cefotaxime + dexamethasone
+ vacomycin
Meningitis in alcoholics, people >50, people with severe comorbid diseases, or
anyone who is immunocompromised - correct answer.ceftriaxone or cefotaxime
+ dexamethasone + vacomycin + ampcillin
Meningitis prophylaxis if hemophilus influenzae - correct answer.rifampin
Downloaded by Walter Peter
, Meningitis prophylaxis if neisseria meningitidis - correct answer.rifampin
or ceftriaxone or ciprofloxacin
Otitis externa - correct answer.acetic acid + propylene glycol + hydrocortisone
drops or
Cirpofloxacin + hydrocortisone drops
Otitis media - correct answer.-amoxicillin if <2 y/o
-analgesics if >2 with no pain or fever
Viral conjunctivitis - correct answer.nothing or chilled artificial tears
Bacterial conjunctivitis - correct answer.fluoroquinolone drops
Neonatal conjunctivitis with onset within 1st day of life - correct answer.nothing
Neonatal conjunctivitis with onset within 2-4 days of life - correct answer.IV
ceftriaxone
+ PO erythromycin
Neonatal conjunctivitis with onset within 3-10 days of life - correct answer.PO
erythromycin
Neonatal conjunctivitis with onset within 2-16 days of life - correct
answer.topical antivirals + IV acyclovir
Ophthalmia neonatorum prophylaxis - correct answer.tetracycline ointment or
erythromycin ointment
Post-antibiotic diarrhea - correct answer.Metronidazole
Travel associated diarrhea - correct answer.fluoroquinolone or rifaximin
-if a child or pregnant: azithromycin
Downloaded by Walter Peter
