Betahistine Hydrochloride USP is an active pharmaceutical ingredient (API) used in the treatment of vertigo and Meniere’s disease. It is a histamine analog that acts on the vestibular system of the inner ear to reduce vertigo and improve balance. It works by increasing blood flow to the inner ear and reducing the sensitivity of the inner ear to changes in pressure. Betahistine Hydrochloride USP is a synthetic derivative of histamine and is available in tablet form for oral administration. It is a prescription medication that can only be obtained and used under the supervision of a healthcare professional.

Betahistine Hydrochloride USP is a medication commonly used for compounding to treat various conditions related to the inner ear, such as Meniere's disease, vertigo, and tinnitus. It works by improving blood flow to the inner ear which can alleviate symptoms associated with these conditions. It may also be used to prevent dizziness and balance problems caused by certain medications or inner ear disorders.