Health Guide
Drug Guide

Sulfamethoxazole (By mouth)

Sulfamethoxazole (sul-fa-meth-OX-a-zole)

Treats urinary tract infections, ear infections, and other general infections caused by bacteria. May also be given in combination with other medicines. Belongs to a class of drugs called sulfonamides (sulfa drugs).

Brand Name(s):

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to sulfamethoxazole or to any other sulfa drug. You should not use this medicine if you will soon be having a baby or if you are breastfeeding.

How to Use This Medicine:


If a dose is missed:

How to Store and Dispose of This Medicine:

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

If you notice these less serious side effects, talk with your doctor:

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Last Updated: 12/12/2016

Thomson Micromedex. All rights reserved.

Thomson & A.D.A.M