Which antibiotics are generally avoided in pregnancy due to fetal risk, and what are safer alternatives?

• A. Doxycycline avoided; safer alternatives include penicillins, cephalosporins, azithromycin; always consult guidelines.
• B. Amoxicillin avoided; safer alternatives include tetracycline.
• C. Azithromycin avoided; safer alternatives include doxycycline.
• D. Penicillin avoided; safer alternatives include doxycycline.

Answer: (A)

In pregnancy, the safety of the fetus guides antibiotic choices. Doxycycline, a tetracycline, is generally avoided because it can affect fetal teeth and bone development. When an antibiotic is needed, safer options include penicillins (like amoxicillin or ampicillin), cephalosporins (such as cephalexin or cefazolin), and macrolides (like azithromycin). This aligns with the idea that doxycycline should be avoided and that safer alternatives are penicillins, cephalosporins, and azithromycin, with guidelines consulted for specific situations. Other choices are inconsistent with safety data—for example, tetracycline is not safe in pregnancy, and azithromycin is considered safe, while penicillins are typically acceptable.