Bactrim and Bactrim DS are brand-name drugs that are prescribed for certain bacterial infections. They contain the active ingredient sulfamethoxazole/trimethoprim. Bactrim or Bactrim DS should not be taken during pregnancy. And they may not be safe to take during breastfeeding.

Keep reading for specific information about reproductive health and Bactrim and Bactrim DS. For a comprehensive look at Bactrim and Bactrim DS, see this article.

Bactrim or Bactrim DS should not be taken during pregnancy.

Bactrim can interfere with the absorption of folic acid during pregnancy. Folic acid, also known as Vitamin B9, helps with the formation of the early brain and spinal cord. So Bactrim may increase the risk of congenital anomalies (also called birth defects) in the fetus.

If you’re planning a pregnancy or can become pregnant, talk with your doctor before taking this medication. Your doctor may suggest birth control options to use during treatment with Bactrim or Bactrim DS.

Doctors may not recommend Bactrim or Bactrim DS while breastfeeding, especially if your child is younger than 2 months old or has certain medical conditions. This is because Bactrim and Bactrim DS are known to pass into breast milk. The drugs can cause inadequate feeding as well as neurological problems in certain children who are breastfed.

If you’re currently breastfeeding or planning to do so, talk with your doctor before taking this medication. Depending on the age and health of your child, your doctor may recommend other feeding methods during treatment with Bactrim or Bactrim DS.

Bactrim or Bactrim DS are not safe to take during pregnancy. If you’re sexually active and you or your partner can become pregnant, talk with your doctor about your birth control needs while you’re taking Bactrim or Bactrim DS.

Disclaimer: Medical News Today has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.