Is Fexofenadine hydrochloride a banned substance?

Fexofenadine hydrochloride is not a banned substance; it is an over-the-counter antihistamine commonly used to relieve allergy symptoms. It is generally considered safe for use and is not prohibited by major sports organizations, such as the World Anti-Doping Agency (WADA). However, it's always advisable to check specific regulations in your sport or region, as guidelines may vary.