Does Sulfamethoxazole Interfere with Birth Control? A Complete Pharmacological Guide
•
4 min read
A 2018 systematic review published in the *American Journal of Obstetrics and Gynecology* concluded that evidence from clinical and pharmacokinetic studies does not strongly support drug interactions between non-rifamycin antibiotics and hormonal contraception. Yet, questions persist about whether sulfamethoxazole interferes with birth control and if a backup method is necessary.
