Can I take allergy medication while pregnant?
Last updated on June 3, 2026
Many common allergy medications, such as Claritin and Benadryl, are considered safe during pregnancy and are classified by the FDA as Category B drugs, which means we have compelling evidence of safety for them during pregnancy. If they work for you, you should feel comfortable taking them. Steroid-based nasal sprays (e.g. Flonase) are also considered safe. However, talk to your doctor before taking an antihistamine combined with a decongestant like pseudoephedrine; there is some older evidence of a slight increase in the risk of birth defects.
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