↳ Index > Factsheets > Viagra
| Viagra | Info |
|---|
| Summary | A medication originally developed to lower blood pressure, and now widely used to treat erectile dysfunction in men. Do not mix with anything that lowers blood pressure. Contact EMS if erection lasts longer than 4 hours. |
| Dose | Light: 25-30mg Common: 30-50mg Strong: 50-100mg. |
| Onset | 10-60 minutes. |
| Duration | 3-6 hours. |