Find out about Avil 50 Mg Tablet benefits, side effects, price, dose, how to use Avil 50 Mg Tablet , interactions and contraindications Avil tablets are antihistamine containing a derivative of alkylamine and are used in the treatment of allergic conditions. Avil 25 Tablet is an antiallergic medicine that treats and prevents allergic reactions, motion sickness, and other conditions. Learn about its benefits, side effects, how to use it, and what to avoid while taking it. Avil 25 Tablet is an antiallergic medicine used in the treatment of allergic conditions, motion/travel sickness, and Meniere's disease. It contains pheniramine maleate which works by inhibiting the action of histamine (chemical messenger) responsible for allergy. Common side effects include injection site reactions, drowsiness, nausea, vomiting, stinging, etc. View Uses , Benefits, and Price of Avil 25 Tablet at Apollo Pharmacy .