Clarityn allergy tablets contain loratadine which is proven to be non drowsy and gets you back to feeling normal and free from allergy symptoms with a single daily dose clarityn allergy tablets can relieve symptons such as sneezing runny nose and itchy burning eyes whether these are due to hayfever or whether they occur all year round clarityn allergy tablets may also be taken for allergic skin conditions such as rash itching or urticaria hives