How can you contact Allegra®?

If you have a question about Allegra® or are seeking to report an adverse event, please reach out to our medical team for more information at 1-866-844-2798. Our team is available to take your calls 8:00 am-6:00 pm EST Monday through Friday. If you are experiencing a medical emergency, please call 911. You can also report side effects and product complaints to the FDA by visiting or by calling 1-800-FDA-1088.

For any questions about sponsorships, employment, or any other solicitation for services, please refer to the Sanofi U.S. website:

Why is my comment not appearing?

The following Commenting Guidelines provide additional information about Allegra® social media pages or content.

We endeavor to maintain social media pages and content which represent the integrity of our brands and represent Sanofi Consumer Healthcare’s mission to help people live healthier, fuller lives. By posting to or otherwise engaging with our social media pages and content, you agree to abide by these Commenting Guidelines, as well as any other applicable terms of use for this site. Posts or other comments on our social media pages by members of the public are the sole responsibility of the poster or commenter and do not necessarily represent the views of Sanofi. We are not responsible for the accuracy of any such content. Sanofi reserves the right (but is not obligated) to remove any post or comment at its sole discretion, except as prohibited by law.

Commenting Guidelines

1. False or misleading: Do not post any clearly false or misleading content.

2. Off-label use: All Sanofi Consumer Healthcare products should be used only as directed on product labeling. Posts and/or comments about off-label use of Allegra® or that include any other form of medical advice are prohibited. Always seek the advice of a qualified medical professional with any questions regarding a medical condition.

3. Links and tags: Please do not post any links or tags. We do not endorse any page content other than our own.

4. Vulgarity or personal attacks: Posts or comments containing profanity or any hostile, harassing, abusive, explicit, libelous, demeaning, or discriminatory language are prohibited.

5. Off-topic: Please do not post or comment content unrelated to Allegra®. This includes content that is spam or promotes any goods and/or services.

6. Miscellaneous: In the event that a post or comment does not fit into one of these categories but nonetheless is not suitable for the Allegra® page, Sanofi Consumer Healthcare reserves the right to remove it at its sole discretion except as prohibited by law.

Sanofi Consumer Healthcare assumes no responsibility for any user-generated content posted on the Allegra® social media pages or content. Sanofi Consumer Healthcare is not responsible for obtaining releases or permissions for user-generated content shared on the Allegra® social media page or content. Sanofi Consumer Healthcare is not responsible if someone shares user-generated content from Sanofi Consumer Healthcare social properties on other social media page or content.

Sanofi Consumer Healthcare reserves the right to block users from each social media channel who violate or misuse these Community and Commenting Guidelines. We also reserve the right to take any Allegra® social channel down at any time. We reserve the right to modify these guidelines at our sole discretion, without advance notice. Please check regularly for updates to these Community and Commenting Guidelines.