Tell your doctor about all your current medicines and any you start or stop using, especially:
medicines to treat erectile dysfunction or pulmonary arterial hypertension;
an antibiotic or antifungal medicine;
antiviral medicine to treat hepatitis C or HIV/AIDS;
drugs to treat high blood pressure or a prostate disorder; or
seizure medicine.
This list is not complete. Other drugs may interact with tadalafil, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
 Tadalafil drug interactions (more detail)
