2 Month Supply - 224 Tablets This medicine contains Chlorphenamine Maleate which belongs to a group of medicines called antihistamines, which act to relieve the symptoms of allergies. It can be used to relieve the symptoms of allergic reactions including hayfever, raised, red itchy skin (symptoms of urticaria, which is often known as hives or nettle rash), allergic reactions to foods or medicines, insect bites, runny nose, swelling of the face or throat due to fluid build up and itching caused by chickenpox.