Claritin (generic name: loratadine; brand names include: Claritin / Clarityn / Clarityne / Fristamin / Lorfast / Lomilan / Symphoral / Roletra / Rinolan / AllergyX / Alavert / Tidilor) is an antihistamine used to relieve the symptoms of hay fever (allergy to pollen, dust, or other substances in the air) and other allergies.