During pregnancy, women will commonly experience increased ... antihistamines like Zyrtec (cetirizine) and Claritin (loratadine) and topical steroid preparations like hydrocortisone 1% cream.

Because antihistamines frequently cause drowsiness, many women are not able or willing ... or efficacy of nonsedating antihistamines (e.g., loratadine [Claritin], cetirizine [Zyrtec], or ...