Ampicillin
Adverse Effect: decreased contraceptive effectiveness Clinical Management: During concurrent use of ampicillin and Dydrogesterone , an additional form of birth control should be used.
Carbamazepine
Enhance the clearance of progesterone and the progestogens
Griseofulvine
Enhance the clearance of progesterone and the progestogens
Phenobarbitone
Enhance the clearance of progesterone and the progestogens
Phenytoin
Enhance the clearance of progesterone and the progestogens
Rifampicin
Enhance the clearance of progesterone and the progestogens |