Children—Use is not recommended. Other prescription medications in the PDE-5 inhibitor class besides Viagra include the following: Generic vardenafil is similar to Viagra and may last up to five hours. On the basis of application, the sildenafil market is segmented into peripheral vasodilator and erectile dysfunction. It works by blocking the molecule that normally gets rid of an erection. An erection happens when a series of chemical processes is triggered by nerve stimulation, leading to muscle relaxation that allows blood flow to the penis. Often, the inability to perform sexually can negatively affect a person’s mental health and impact the quality of relationships. Follow your doctor’s orders or the directions on the; Like Viagra, certain forms of sildenafil are approved to treat ED in males* ages 18 years and older. For example, sildenafil mg, mg, and mg tablets are approved for this use. Viagra (sildenafil) is a prescription drug that’s used to treat erectile dysfunction (ED). The drug comes as a tablet you’ll take by swallowing. It’s usually taken as needed about 1 hour before. The medicines also may be used with counseling. Together, they can treat erection problems that have psychological causes. Commonly used oral medicines include: PDE-5 inhibitors. Examples are sildenafil (such as Viagra), tadalafil (such as Cialis), and vardenafil (such as Levitra). Other medicines that may be used include: Injected medicines.

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