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 ...

Purpose: The stability of sildenafil citrate 2.5 mg/mL in two extemporaneously prepared oral suspensions stored at 4 and 25 ºC was studied. Methods: Thirty 25-mg tablets of sildenafil citrate ...

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 ...