Pheniramine maleate is an antihistamine drug used to treat a variety of conditions, including allergies, hay fever, hives, and insect bites. It works by blocking the action of a certain natural substance (histamine) in the body, which helps to reduce the symptoms of these conditions. It is available in tablet and oral solution form, and can be taken with or without food. It is important to follow the instructions on the package label or your doctor's instructions when taking this medication.