Sildenafil
Generic Viagra
Generic Viagra for erectile dysfunction. Taken about an hour before sex.
About Sildenafil
Sildenafil is a PDE5 inhibitor that improves blood flow to the penis during sexual arousal. It works for about 4 hours. A heavy, high-fat meal can delay how fast it starts working.
Read the full Sildenafil guide: research, safety and sources →
How it works
- Complete a short online visit. Answer health questions on our telehealth partner's secure site. Some treatments need lab work first.
- A licensed provider reviews it. They decide whether Sildenafil is safe and appropriate for you and may message you with questions.
- If prescribed, it ships to you from a licensed U.S. pharmacy, with ongoing check-ins and refills through your provider.
Important safety information
Never take with nitrates (such as nitroglycerin) or riociguat: the combination can cause a dangerous drop in blood pressure. Get emergency care for an erection lasting more than 4 hours or sudden vision or hearing loss. Headache, flushing, indigestion and stuffy nose are common. Some people notice a temporary blue tint to vision.
This is not a complete list. Your provider will review your health history, medicines and allergies before prescribing, and the pharmacy includes the full prescribing information.