Pregnancy & Medication Safety

Can You Take Antibiotics While Pregnant?

Linda Girgis | MD

Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 22nd, 2026.

Yes, certain antibiotics are safe during pregnancy, but the choice depends on the specific medication and trimester. The CDC classifies antibiotics into pregnancy safety categories, with penicillin, amoxicillin, and erythromycin considered safe options. However, tetracycline, fluoroquinolones, and sulfonamides can cause birth defects or complications. During the first trimester, when organ development occurs, doctors exercise extra caution in antibiotic selection. Studies show that untreated bacterial infections pose greater risks to both mother and baby than safe antibiotics. Always consult your healthcare provider before taking any medication during pregnancy, as they can prescribe the safest antibiotic for your specific condition and stage of pregnancy.

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