ALDAY TABS is an antihistamine medication that is used to relieve symptoms of allergies such as sneezing, runny nose, itching, and watery eyes. It works by blocking the action of histamine, a substance in the body that causes allergic symptoms. ALDAY TABS is typically taken orally and may cause drowsiness as a side effect. It is important to follow the dosage instructions provided by your healthcare provider and to avoid driving or operating heavy machinery while taking this medication.