<unk> , sold under the brand name Claritin among others, is a medication used to treat allergies. This includes allergic rhinitis (hay fever) and hives. It is also available in combination with pseudoephedrine, a decongestant, known as<unk> /pseudoephedrine. It is taken by mouth. Common side effects include sleepiness, dry mouth, and headache. Serious side effects are rare and include allergic reactions, seizures, and liver problems. Use during pregnancy appears to be safe but has not been well studied. It is not recommended in children less than two years old. It is in the second-generation antihistamine family of medication.<unk>  was patented in 1980 and came to market in 1988. It is on the World Health Organization's List of Essential Medicines.<unk>  is available as a generic medication. In the United States, it is available over the counter. In 2019, it was the 66th most commonly prescribed medication in the United States, with more than 11million prescriptions.
Loratadine
Desloratadine
Rupatadine
Olopatadine
Roxadustat
Terfenadine
Mibolerone
Ecallantide