November 4th, 2009

Reports Reuters:

Some of the antibiotics used to treat urinary tract infections during pregnancy may increase the risk of several birth defects if a woman uses them early in pregnancy, a new study in the Archives of Pediatrics & Adolescent Medicine shows.

Researchers found an increased risk for two classes of antibiotics: sulfonamide (example: Bactrim) and nitrofurantoins (example: Macrobid). But the antibiotics pregnant women are most likely to be prescribed, the penicillins and erythromycins, appeared to be safe.

“Most of the commonly used antibiotics do not seem to be associated with most of the birth defects we studied,” study co-author Dr. Krista S. Crider, of the Centers for Disease Control and Prevention in Atlanta, told Reuters Health. “This should be helpful for pregnant women and their health care provider as they’re trying to make decisions on treatment of infections during pregnancy.”

Read more at Reuters.