Drug Interactions With Sulfamethoxazole/Trimethoprim

A number of medications can cause drug interactions with sulfamethoxazole/trimethoprim, including phenytoin, ACE inhibitors, tricyclic antidepressants, and warfarin. Some interactions may reduce the effectiveness of the medications, while others can increase the drug levels in your blood, perhaps increasing your chance for side effects. To help minimize your risk of developing drug interactions, tell your healthcare provider about all other medications you are taking.

An Overview of Interactions With Sulfamethoxazole/Trimethoprim

Sulfamethoxazole/trimethoprim (Bactrim®, Bactrim® DS, Septra®, Septra® DS, Sulfatrim®) can potentially interact with numerous different medications, too many to list entirely in this article. Medicines that may lead to sulfamethoxazole/trimethoprim drug interactions include (but are not limited to):
  • Angiotensin-converting enzyme inhibitors (usually known as ACE inhibitors), including:









A Dose of Reassurance for Parents of Picky Eaters

Sulfamethoxazole Trimethoprim Information

Referring Pages:
Terms of Use
Advertise with Us
Contact Us
About eMedTV
Privacy Policy
Copyright © 2006-2020 Clinaero, Inc.
eMedTV serves only as an informational resource. This site does not dispense medical advice or advice of any kind. Site users seeking medical advice about their specific situation should consult with their own physician. Click Terms of Use for more information.