Claritin Active ingredient: loratadine $0.40 for pill Claritin is indicated for the relief of nasal and non-nasal symptoms of seasonal allergic rhinitis and for the treatment of chronic idiopathic urticaria in patients 2 years of age or older. Alavert Active ingredient: loratadine $0.44 for pill Alavert is used to treat the symptoms of allergies, such as sneezing, watery eyes, and runny nose. It is also used to treat skin hives and itching in people with chronic skin reactions.