Are these pills still being taken with birth control pills? Have made a big mistake
I. Rifampicin It is a commonly used anti-tuberculosis drug, which can accelerate the metabolism of norethisterone and ethinylestradiol, the main components of oral contraceptives, reduce the concentration of drugs in blood, and may also cause partial shedding of endometrium to cause intravenous drip hemorrhage or inexhaustible leaching. At the same time, it can reduce the contraceptive effect and lead to contraceptive failure. II. Antibiotics Some people have observed 38 women who took contraceptives while using ampicillin, neomycin, tetracycline, compound sulfamethoxazole and chloramphenicol, resulting in contraceptive failure. It was found that the reason for its failure was that antibiotics inhibited intestinal bacteria and greatly reduced the amount of glucuronidase produced by antibiotics, thus affecting the absorption of contraceptives in intestinal tract Read More …