• About Horizon Pharma

Product Support in the U.S.

Horizon Pharma plc is dedicated to providing high-quality products and customer service to patients and the healthcare professionals who care for them. The following is important contact information relating to our marketed products in the United States.

If this is a medical emergency, please call 911 or visit your nearest emergency room center.

Product Support for ACTIMMUNE® (Interferon gamma-1b), BUPHENYL® (sodium phenylbutyrate) Tablets and Powder, DUEXIS® (ibuprofen and famotidine), PENNSAID® (diclofenac sodium topical solution) 2% w/w, RAVICTI® (glycerol phenylbutyrate) Oral Liquid, RAYOS® (prednisone) Delayed-Release Tablets and VIMOVO® (naproxen and esomeprazole magnesium)

Medical Information Requests – For Healthcare Professionals Only
–1-866-479-6742 {Option 1} or
–Email: medicalinformation@horizonpharma.com

Safety Information – To Report an Adverse Event or Side Effect
–1-866-479-6742 {Option 1} or
–visit www.fda.gov/medwatch or call 1-800-FDA-1088

Product Complaint – To Report any Product Quality Issues
–1-866-479-6742 {Option 1}

All Other Inquiries
–1-866-479-6742 {Option 2}
–Email: customerservice@horizonpharma.com

BUPHENYL is available in the United States by prescription only. BUPHENYL is distributed through ASD, a specialty division of AmeriSourceBergen. To order BUPHENYL, please call ASD at 1-800-746-6273 toll-free.

Please review full Prescribing Information and Patient Package Insert. 

BUPHENYL Global Ordering Information

Outside North America, BUPHENYL is available from the international distributors listed below. Note that in Europe, BUPHENYL is marketed under the trade name AMMONAPS.

Swedish Orphan Biovitrum
SE-112 76 Stockholm
Visiting Address: Tomtebodavägen 23A, Solna
phone: +46(0)8.697.20.00
Swedish Orphan International AB serves Europe and the Middle East.

Orphan Australia–serving Australia and New Zealand
48 Kangan Drive
Berwick, Victoria 3806
phone: +61(3)9769.5744
fax: +61(3)9769.5944

Giraffe’s Pharmaceutical Co., Ltd. – serving Taiwan
Room 9, 2nd Floor
No. 9, Ai Kuo W. Rd.
Taipei, Taiwan, R.O.C.
phone: +886(2)23618588
fax: +886(2)23619879

Trinity Trading Co., Ltd. – serving Hong Kong
Unit 7A-B, 39/F, Cable TV Tower
9 Hoi Shing Road
Tsuen Wan, N.T.
Hong Kong
phone: +852.2385.6044

Global Damon Pharma – serving Korea
Suite 1803
Garden Tower Building
98-78 Wooni-Dong, Chongro-Ku
Seoul, South Korea
phone: +82(2)3673.2367
fax: +82(2)3673.2369

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