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As a result of Bayer’s recent purchase of Merck Consumer Care, please contact Bayer HealthCare, Consumer Relations for more information and answers to your questions using the telephone number listed below. The product labeling will be updated over time to reflect Bayer’s name and contact information.

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 Bayer Consumer Relations by calling 1-800-CLARITIN (1-800-252-7484), Monday thru Friday, 9am - 5pm EST.

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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 Bayer Consumer Relations by calling 1-800-CLARITIN (1-800-252-7484), Monday thru Friday, 9am - 5pm EST

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If your question is of medical nature or pertains to medical emergency, please seek medical advice by calling your doctor or local poison control center.

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