Such drugs include rifampin used for epilepsy as barbiturates example phenobarbital anticonvulsants carbamazepine Tegretol is one brand of this phenytoin Dilantin phenylbutazone Butazolidin possibly certain antibiotics. IF YOU HAVE TROUBLE REMEMBERING TO TAKE THE PILL talk your doctor clinic about how make pilltaking easier using another method of birth control. Increased thyroid binding globulin TBG leading to circulating total hormone measured by proteinbound iodine PBI column Free resin uptake is decreased reflecting the elevated concentration unaltered [...]