Fexofenadine (CAS 83799-24-0) Suppliers and Product Information

Fexofenadine is the carboxylic acid metabolite of terfenadine and is widely available. It accounts for the antihistaminic properties of terfenadine, which is rapidly metabolized via CYP3A4 catalyzed processes. Fexofenadine is a H1 histamine receptor antagonist used as an antihistamine medication. It does not have the antiarrhythmic side effects of terfenadine.

Frequently Asked Questions about Fexofenadine

Q: What is the main use of Fexofenadine?

A: Fexofenadine is primarily used as an antihistamine medication to treat allergy symptoms such as sneezing, runny nose, itchy eyes, and skin itching or hives.

Q: How does Fexofenadine work?

A: Fexofenadine works by blocking the action of histamine, a substance in the body that causes allergic symptoms.

Q: Is Fexofenadine safe for long-term use?

A: Fexofenadine is generally considered safe for long-term use when taken as directed. However, it's always best to consult with a healthcare provider for personalized advice.

Q: Can Fexofenadine cause drowsiness?

A: Unlike some other antihistamines, Fexofenadine is less likely to cause drowsiness, which is why it's often referred to as a non-drowsy antihistamine.