# FDA Approves Macleods Pharmaceuticals' Generic Levocetirizine Dihydrochloride Macleods Pharmaceuticals Limited received FDA approval for its generic levocetirizine dihydrochloride oral formulation (ANDA205564) on January 11, 2016, potentially expanding competition in the antihistamine market and offering patients a lower-cost alternative to brand-name allergy medications. The approval is expected to intensify pricing pressure in the over-the-counter and prescription antihistamine segment as generic manufacturers vie for market share.