| Drugs
That Decrease the Effectiveness of OCs |
|
|
|
|
|
|
|
|
|
|
|
|
|
| n | Anticonvulsants |
|||||||||||
| n | Barbituates
(including |
|||||||||||
| phenobarbital
and |
||||||||||||
| primidone) |
||||||||||||
| n | Phenytoin |
|||||||||||
| n | Carbamazepine |
|||||||||||
| n | Toprimate |
|||||||||||
| n | Vigabatin |
|||||||||||
|
|
|
|
|
|
|
|
| n | Anti-infectives |
||||||
| n | Rifampin |
||||||
| n | Griseofulvin |
||||||
| American College of
Obstetrics and Gynecology Practice Bulletin Number 18, July 2000 |
