Sulfamethoxazole and Trimethoprim Side Effects and Warnings

What are the precautions when taking this medicine?

• If you have kidney disease, talk with healthcare provider.

• If you have liver disease, talk with healthcare provider.

• Check medicines with healthcare provider. This medicine may not mix well with other medicines.

• Avoid alcohol (includes wine, beer, and liquor).

• You can get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen; wear protective clothing and eyewear.

• Be careful if you have G6PD deficiency. Anemia may occur.

• Use birth control that you can trust to prevent pregnancy while taking this medicine.

What are some possible side effects of this medicine?

• Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.

• Diarrhea.

• Not hungry.

Reasons to call healthcare provider immediately

• If you suspect an overdose, call your local poison control center or emergency department immediately.

• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.

• Severe nausea or vomiting.

• Severe diarrhea, even after medicine is stopped.

• Dark urine or yellow skin or eyes.

• Any rash.

• No improvement in condition or feeling worse.