Antimicrobial Agents — Flashcards

Flashcard 521: Drug of choice for actinomycosis:

Answer: Penicillin

Flashcard 522: Drug of choice for strongyloides stercoralis?

Answer: Ivermectin

Flashcard 523: Drug of choice for Clostridium tetani is _______

Answer: Metronidazole

Flashcard 524: Drug of choice for chronic hepatitis–B is

Answer: Tenofovir disoproxil fumarate

Flashcard 525: Drug of choice for chlamydial infection in pregnancy is:

Answer: Azithromycin

Flashcard 526: Drug of choice for acute (pneumococcal) lobar pneumonia is :

Answer: Amoxicillin

Flashcard 527: Drug of choice for primary syphilis is :

Answer: Benzathine penicillin G

Flashcard 528: A 23-year-old female presented with burning pain during micturition. On investigations, she is found to be suffering from co-infection with Chlamydia and Gonococcus. The treatment of choice for this patient is:

Answer: Ceftriaxone + Azithromycin (or Doxycycline)

Extra: Co-infection with *Neisseria gonorrhoeae* and *Chlamydia trachomatis* requires dual therapy. \n\n1. **Ceftriaxone** (IM) for Gonococcus. \n2. **Azithromycin** (1g PO single dose) or **Doxycycline** (100mg PO BID for 7 days) for Chlamydia. \n\nNote: Recent guidelines (CDC) now prefer Doxycycline over Azithromycin for Chlamydia, but dual therapy remains the principle for co-infection.

Flashcard 529: Drug of choice for plasmodium vivax is

Answer: Chloroquine

Flashcard 530: The drug of choice for treatment of vivax malaria during pregnancy is _______.

Answer: Chloroquine