What medicines make birth control reclipsen less effective or not work. and is there anything else that makes the pill not work?

Diarrhea, antibiotic: If you are on medications that interfere with liverfunction your oral birthcontrol may not work. An example is antibiotics. If you don't digest food (and pills) well due to an infection (diarrhea) of have a liver disorder, the same. Check your pill bottles and ask your doctor. Also take your pill every day. (please pass this information on to your friends or family members, no worries for yourself.