If you’re prescribed Viagra, you can purchase it in doses of 25, 50, or 100 milligrams (mg). Hims recommends taking Viagra 30 minutes to 4 hours before sexual activity. You can make a one-time ...

Healthcare providers can prescribe sildenafil tablets in different doses. The most common are: 25 milligrams 50 milligrams A ...

they were randomized to sildenafil (50-100 mg) or to placebo; drugs were taken 1 to 2 hours before anticipated sexual activity. From baseline to 8 weeks, sildenafil-treated women reported a mean ...

Viagra is only available as tablets taken by mouth. When using Viagra for ED, the dose is started at 50 mg by mouth one hour before sexual activity and should not be used more than once within 24 ...

The impotence pill Viagra may be a useful treatment against Alzheimer's disease, say US researchers who have been studying its effects in the brain. Tests in cells suggest the drug targets some of ...