Pharmacology · single question
A pregnant asthmatic patient (last attack one week ago, NOT penicillin-allergic) has pericoronitis around an impacted lower third molar. Which antibiotic is safe and appropriate?
Show answer and explanation
Correct answer: A. Amoxicillin
Amoxicillin (a penicillin) is safe in pregnancy and effective for odontogenic infection in a non-penicillin-allergic patient.Other options: Tetracyclines (tetracycline, doxycycline) are contraindicated in pregnancy due to tooth/bone effects; fluoroquinolones are avoided in pregnancy.Key exam takeaway: Pregnancy odontogenic infection (no penicillin allergy): amoxicillin; avoid tetracyclines and fluoroquinolones.