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What is Generic Viagra 150 Mg?

Viagra is the brand name of the prescription medicine sildenafil. It’s used to treat erectile dysfunction (trouble getting or keeping an erection) in men. Another brand name of sildenafil, called Revatio, is used to treat pulmonary arterial hypertension (high blood pressure in the lungs) and improve exercise ability in men and women with this condition. You shouldn’t take Viagra and Revatio together unless your doctor tells you to do so. Viagra is in a class of medicines known as phosphodiesterase (PDE) inhibitors. It works by increasing blood flow to the penis.
Penile erection is caused by the engorgement of the penis with blood. This engorgement occurs when the blood vessels delivering blood to the penis increase the delivery of blood and the blood vessels carrying blood away from the penis decrease the removal of blood. Under normal conditions, cenforce 150mg of sexual stimulation leads to the production and release of nitric oxide in the penis.

Nitric oxide then activates the enzyme, guanylate cyclase, which causes the production of cyclic guanosine monophosphate (cGMP). It is the cGMP that is primarily responsible for the erection by affecting the amount of blood that the blood vessels deliver and remove from the penis.

Viagra inhibits an enzyme called phosphodiesterase-5 (PDE5) which destroys the cGMP. Thus, sildenafil 150mg Viagra prevents the destruction of cGMP and allows cGMP to accumulate and persist longer. The longer cGMP persists, the more prolonged the engorgement of the penis. The FDA approved Viagra in March 1998.

The usual recommended dose is 25 to 100 mg 1 hour before sexual activity.
The maximum dose is 100 mg daily.
The elderly (over 65 years of age) should start at 25 mg before sexual activity.
Sildenafil is rapidly absorbed. Maximum observed plasma concentrations are reached within 30 to 120 minutes (median 60 minutes) of oral dosing in the fasted state. When sildenafil is taken with a high-fat meal, the rate of absorption is reduced, with an average delay in the time to maximal concentration of 1 hour.