Answer
Selected product information advises against combining erectile-dysfunction alprostadil with PDE5 inhibitors because hypotension or prolonged erection may occur.
Sources for this answer
- Alprostadil 10 micrograms powder for solution for injection — Current selected SmPCemc · Summary of Product Characteristics
- Vitaros 3 mg/g cream — Current selected SmPCemc · Summary of Product Characteristics
- Caverject Dual Chamber 10 micrograms — Current selected SmPC