Sulfamethoxazole Trimethoprim Cause Yeast Infection: All You Need To Know

Sulfamethoxazole/Tmp Ds, 800/160mg, 100 Tablets/Bottle McGuff Medical


Sulfamethoxazole trimethoprim is an antibiotic used to treat various bacterial infections. However, it has been observed that the use of sulfamethoxazole trimethoprim can cause yeast infections. This article will discuss the causes and symptoms of yeast infections caused by sulfamethoxazole trimethoprim, as well as ways to prevent and treat them.

What is Sulfamethoxazole Trimethoprim?

Sulfamethoxazole trimethoprim is a combination antibiotic that is used to treat bacterial infections such as urinary tract infections, ear infections, and respiratory infections. It is usually prescribed by a doctor and is available in tablet, suspension, and injection forms.

How Does Sulfamethoxazole Trimethoprim Cause Yeast Infection?

Sulfamethoxazole trimethoprim can disrupt the natural balance of microorganisms in the body, which can lead to the overgrowth of yeast. The antibiotic kills both harmful and beneficial bacteria, which allows yeast to grow unchecked. Yeast infections can develop in various parts of the body, including the mouth, vagina, and skin.

Symptoms of Yeast Infections

The symptoms of yeast infections vary depending on the location of the infection. In women, yeast infections can cause itching, burning, and discharge in the vagina. In men, yeast infections can cause redness and itching on the penis. Oral yeast infections can cause white patches on the tongue and inside the mouth.

Preventing Yeast Infections

To prevent yeast infections caused by sulfamethoxazole trimethoprim, it is essential to maintain good hygiene. This includes keeping the affected area clean and dry, wearing loose-fitting clothing, and avoiding the use of scented products. It is also important to finish the entire course of antibiotics as prescribed by the doctor.

Treating Yeast Infections

The treatment of yeast infections caused by sulfamethoxazole trimethoprim involves the use of antifungal medications. These medications can be taken orally or applied topically to the affected area. It is important to follow the instructions of the doctor when using these medications.

Alternative Antibiotics

If you are prone to yeast infections, it is important to discuss alternative antibiotics with your doctor. There are several antibiotics available that do not cause yeast infections. Your doctor can recommend an antibiotic that is suitable for your condition and does not have the risk of causing yeast infections.


Sulfamethoxazole trimethoprim is an effective antibiotic for treating bacterial infections. However, it can cause yeast infections due to its impact on the natural balance of microorganisms in the body. It is important to maintain good hygiene and finish the entire course of antibiotics to prevent yeast infections. If you develop a yeast infection, seek medical attention immediately to prevent further complications.