Are there any side effects of antihistamines in horses?
Antihistamines, specifically H1 receptor antagonists, can alleviate allergy symptoms in horses by competing with histamine for H1 receptors. While generally safe, the most common side effect is drowsiness, though newer antihistamines are designed to minimize this. Older versions may cause performance impairment or enhance the effects of depressants due to their action on the central […]