Please feel free to contact us regarding any questions or comments you may have about CLARITIN® products. Visit our Product Page or FAQ Section where you can click on each individual CLARITIN® product to get more specific information. Or you may email us your question, and receive a response within 3 business days.
This website is not intended as a method for reporting unexpected drug effects or adverse experiences. Please report any unexpected effects or product problems to Merck Consumer Relations by calling 1-800-CLARITIN
(1-800-252-7484), Monday thru Friday, 9am - 6pm EST.