This article will explore Viagra (sildenafil), a prescription ... a single dose of 50 milligrams (mg) is advised, to be taken no more than once a day. You should take it about 1 hour before ...

When using Viagra for ED, the dose is started at 50 mg by mouth one hour before sexual ... they share similar side effects ...

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 ...

Pooled evidence across four RCT study groups (721 participants), suggests that tramadol is significantly more effective than placebo ... patients prescribed 25 mg, 50 mg or 100 mg of tramadol ...