heart disease, angina, a history of heart attack, irregular heart beats, or other heart problems

high or low blood pressure

kidney or liver disease

an unusual or allergic reaction to tadalafil, other medicines, foods, dyes, or preservatives

How should I use this medicine?

This medicine may also interact with the following medications:

certain drugs for the treatment of HIV infection or AIDS

certain drugs used for fungal or yeast infections, like fluconazole, itraconazole, ketoconazole, and voriconazole

certain drugs used for seizures like carbamazepine, phenytoin, and phenobarbital

macrolide antibiotics like clarithromycin, erythromycin, troleandomycin