---
title: Contact Us - Optinose
description: Find out how to contact Optinose at our Yardley, UK, and Oslo locations.
---

[![Optinose_logo_RGB](https://optinose.com/hs-fs/hubfs/Optinose_logo_RGB.png?width=196&name=Optinose_logo_RGB.png "Optinose_logo_RGB")](https://optinose.com/)

[Contact Us](https://optinose.com/contact-us)

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- COMPANY
  
    - [PARTNERSHIP OPPORTUNITIES](https://optinose.com/company/partnership-opportunities)
    - [CORPORATE COMPLIANCE](https://optinose.com/company/corporate-compliance)
- [EXHALATION DELIVERY SYSTEMS](https://optinose.com/exhalation-delivery-systems/technical-overview)
  
    - [LIQUID DELIVERY](https://optinose.com/exhalation-delivery-systems/liquid-delivery-device)
    - [POWDER DELIVERY DEVICE](https://optinose.com/exhalation-delivery-systems/powder-delivery-device)
    - [ANATOMY OF THE NASAL PASSAGES](https://optinose.com/exhalation-delivery-systems/anatomy-of-the-nasal-passages)
    - [NASAL DELIVERY CHALLENGES](https://optinose.com/exhalation-delivery-systems/nasal-delivery-challenges)
- [THERAPEUTIC AREAS](https://optinose.com/therapeutic-areas)
- [PRODUCTS](https://optinose.com/products/products)
  
    - [XHANCE®](https://optinose.com/products/xhance-fluticasone-propionate)
    - [ONZETRA® Xsail®](https://optinose.com/products/onzetra-xsail)
- [RESEARCH & DEVELOPMENT](https://optinose.com/research-and-development/overview-chart)
  
    - [XHANCE® – FUTURE DEVELOPMENT](https://optinose.com/research-and-development/xhance-future-development)
    - [PARTNERSHIPS](https://optinose.com/research-and-development/partnerships)
- [NEWS & MEDIA](https://optinose.com/investigator-contact)
- [SCIENTIFIC COMMUNICATIONS](https://optinose.com/scientific-communications/peer-reviewed-journal-publications)

# Contact Us

For medical inquiries or to report a side effect or product complaint, call 1-833-678-6673. You can also report a side effect or product complaint directly to the FDA by calling 1-800-FDA-1088 or visiting [www.fda.gov/medwatch](https://www.fda.gov/Safety/MedWatch/default.htm).

### Worldwide Headquarters OptiNose US, Inc.

777 Township Line Road, Suite 300  
Yardley, Pennsylvania 19067 USA  
Phone 267-364-3500  
Fax 267-395-2119  
Email [info@paratekpharma.com](mailto:info@paratekpharma.com)

The Headquarters location observes a hybrid schedule.  This hybrid office-based schedule means that the Yardley office is staffed three (3) days a week – Tuesday, Wednesday and Thursday.  We suggest making an appointment if you wish to visit our offices by contacting us at 267-364-3500 or completing the Contact Us form above.

Thank you for your interest in Optinose.

[![Optinose_logo_RGB](https://optinose.com/hubfs/Optinose_logo_RGB.png)](https://optinose.com)

- [Contact Us](https://optinose.com/contact-us)
- [P.O. Terms & Conditions](https://optinose.com/po_terms_conditions)
- [Privacy Policy](https://optinose.com/privacy-policy)
- [Terms of Use](https://optinose.com/terms-of-use)
- [Site Map](https://optinose.com/site-map)

©2018 OptiNose US, Inc. OPTINOSE-17-013b 10/2017

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