Allergy hayfever relief 180 days clarityn substitute is a multipack of loratadine allergy relief tablets to last you for six months in this multipack you will get 6 boxes of loratadine 10mg 30 tablets per box works for all types of allergies each tablet contains 10mg of loratadine to keep you free from symptoms of hayfever skin allergies dust allergies and pet allergies it is also effective in treating skin allergies that cause itching rash or hives prevents symptoms loratadine