Reduced sexual desire. Men of any age may benefit from the use of Viagra (Sildenafil) if they experience any of the above symptoms. This may mean a man as young as 18 or a .John’s wort. The most common treatment for ED is a prescription oral pill that can help you get and maintain an erection, such as:. Recent heart or blood vessel problems. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy NAION. ED that occurs due to a physical cause usually happens for one of the following reasons: You are getting older. Please expect up to 4 to 6 weeks for reimbursement.Last updated on Uses Warnings Before taking Dosage Side effects Interactions FAQ What is Viagra? Viagra relaxes muscles found in the walls of blood . Drug Images What is Viagra? If you have erectile dysfunction (ED), your doctor may recommend that you take Viagra. It’s a prescription drug that’s used in adult males* with . Reduced sexual desire. Men of any age may benefit from the use of Viagra (Sildenafil) if they experience any of the above symptoms. This may mean a man as young as 18 or a .If you ever need emergency medical treatment for a heart problem, the healthcare providers who treat you will need to know when you last took sildenafil. Illicit drugs and certain prescription medications like barbiturates, antidepressants, and anti-seizure medications can actually cause or exacerbate ED or loss of libido as a side effect. This doesn’t mean that younger men aren’t able to experience results. Of note, research shows that people with cardiovascular disease are more likely to be depressed, so they should be screened for depression if they develop ED. Hypertension: High blood pressure also damages blood vessels.