- Instruct patient to take avanafil as needed for ED at least 15 min before sexual activity and not more than once per day. Inform patient that sexual stimulation is required for an erection to occur after taking avanafil.
- Advise patient that avanafil is not indicated for use in women.
- Caution patient not to take avanafil concurrently with alpha adrenergic blockers (unless on a stable dose) or nitrates. If chest pain occurs after taking avanafil, instruct patient to seek immediate medical attention.
- Advise patient to avoid excess alcohol intake (
3 units) in combination with avanafil; may increase risk of orthostatic hypotension, increased heart rate, decreased standing BP, dizziness, headache. - Instruct patient to notify health care professional promptly if erection lasts longer than 4 hr, if they are not satisfied with their sexual performance, develop unwanted side effects or if they experience sudden or decreased vision loss in one or both eyes or loss or decrease in hearing, ringing in the ears, or dizziness.
- Advise patient to notify health care professional of all Rx or OTC medications, vitamins, or herbal products being taken and to consult with health care professional before taking other medications that may interact with avanafil.
- Inform patient that avanafil offers no protection against sexually transmitted diseases. Counsel patient that protection against sexually transmitted diseases and HIV infection should be considered.