Do Erectile Dysfunction Medications Work?


Quick Answer

Erectile dysfunction medications such as Viagra, Cialis, Stendra, Staxyn and Levitra are regarded as successful treatments for the condition and cause erections by increasing blood flow to the penis when the man is sexually aroused. All these drugs are approved by the U.S. Food and Drug Administration, states WebMD.

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Full Answer

Viagra that is composed of sildenafil, Cialis that contains tadalafil, Stendra that comprises of avanafil and Levitra and Staxyn that contain vardenafil enhance the effect of nitric oxide in the body. Nitric oxide causes the penile muscles to relax, thus increasing blood flow to the organ tissues during sexual stimulation. As a result of increased blood flow, erection occurs, explains Healthline.

Although their mechanism of action is similar, these drugs differ in how quickly they cause erections and how long their effects last. Levitra and Viagra work within 30 minutes of consumption, but Levitra lasts for approximately five hours, while Viagra is effective up to around four hours. Cialis and Stendra take only 15 minutes to cause erections, but while Cialis lasts up to 36 hours, the effects of Stendra last for a maximum period of six hours, reports WebMD.

To maximize drug effectiveness, taking them as per directions of the physician is essential. These drugs may cause adverse effects in persons taking nitroglycerin medications for treating chest pains and alpha-blockers for treating prostate and blood pressure problems, states WebMD.

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