Tell your doctor about all your other medicines, especially:
phenytoin;
St. John's wort;
vitamin or mineral supplements;
progestin-only birth control pills (mini-pills);
steroid medicine; or
a tetracycline antibiotic, including doxycycline or minocycline.
This list is not complete. Other drugs may affect isotretinoin, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
 Isotretinoin drug interactions (more detail)
