Tag: Dayhist

Originally approved by the FDA in 1977, clemastine is a first-generation antihistamine used to treat allergy symptoms. The most common trade names for clemastine are Tavist and Dayhist, though over-the-counter versions in the U.S. have been discontinued, making it a prescription-only medication.

While it was once a popular over-the-counter (OTC) allergy medicine, the OTC version of clemastine was discontinued in the U.S. years ago. So, is clemastine available in the US? Yes, but only as a prescription medication for both adults and children. This change means patients must consult a healthcare provider to obtain the drug.

First-generation antihistamines like clemastine and Benadryl (diphenhydramine) have been used for decades to relieve allergy symptoms, but they are not identical medications. Understanding the core differences and similarities is vital for choosing the right one for your specific needs.