Pharmacology · single question

Pregnant patient with asthma (last asthma attack 1 week ago). Presents with pain from impacted #32 — pericoronitis. Patient is NOT allergic to penicillin. What is a safe antibiotic for this patient?

  1. Tetracycline (contraindicated in pregnancy)
  2. Amoxicillin
  3. Doxycycline
  4. Ciprofloxacin
Show answer and explanation

Correct answer: B. Amoxicillin

  • A. Tetracyclines are contraindicated in pregnancy due to risk of fetal tooth discoloration/bone effects.
  • B. Correct. Amoxicillin (a penicillin) is generally considered safe in pregnancy and is first-line for odontogenic infections in a non-penicillin-allergic patient.
  • C. Doxycycline (a tetracycline-class antibiotic) is contraindicated in pregnancy for the same reasons as tetracycline.
  • D. Fluoroquinolones (e.g., ciprofloxacin) are generally avoided in pregnancy due to potential effects on fetal cartilage/joint development.

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