Viagra is only available with a prescription in the United States, Canada, and most other countries. Viagra is sold under the generic name sildenafil, which is also only available with a … 展开

Before deciding to try an OTC erectile dysfunction treatment, speak with a doctor. This is especially important if you:
•have any health conditions or concerns
•are undergoing … 展开

Hidden ingredients
Some OTC erectile dysfunction treatments may be effective, but they may not be safe. The FDA does not regulate dietary supplements in t… 展开

Four types of oral medications are FDA approved to treat ED. These are backed by more data than OTC supplements. They are:
•sildenafil (Viagra)… 展开

Injectable or suppository drugs
Penile injectable medications are a second-line treatment for ED, meaning a doctor may prescribe them if oral medications are not working or y… 展开