Contraceptive medications are not included in the list of drug-drug interactions of Duromine. Still, it is important to tell your doctor that you are taking any pills or injections, including the contraceptives, since the information may change. In addition, contraceptives have various side effects and Duromine may aggravate these.
There have several reports from female Duromine users about changes in their period (too long, to abundant). However, no reports were found, which would provide info on the need of quitting Duromine because of any side effects, related to the use of birth control pills with Duromine.