Answer: Stendra has been shown to be about as effective as Viagra, but it kicks in faster than the little blue pill. A Treated subscription makes getting Stendra delivered every month easy. Generics are medications created to be the same as brand-name drugs. Answer: Stendra is usually effective the first or second time you try it. PDE5 inhibitors are used to treat several conditions that affect areas of the body in which blood flow is controlled by the PDE5 enzyme. When the effects of PDE5 are inhibited, cGMP levels increase and the penile arteries can dilate to a larger size, making it easier to get and sustain an erection.A daily dose of 5 mg may be too much for some people and lead to undesirable side effects. meant for daily use can cost around $20 to $32 per dose, and a higher dose (10mg and 20mg) meant for. Viagra, Cialis, Levitra, and Stendra are oral medications for treating erectile dysfunction. Check out side-by-side comparisons of all four drugs. $90 per dose: $4-$10 per dose: $$80 per. People should take Stendra 15–30 minutes before sexual activity. It can work for up to 5 hours. Oral finasteride from $22 per month: Hims offers this once-a-day pill to promote hair regrowth.