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Maria Hudson. 4 hrs. ago. Anna Nelson. 6 hrs. ago. David Muldon. 8 hrs. ago See full list on everyonesmd.com When you look at your Viagra (Sildenafil) package, you should find an expiration date. This is typically 2 years from when it was first manufactured. Like all medications, Viagra (Sildenafil) becomes less effective if left unused for an extended period of time. Here are some fast facts about Viagra: Active ingredient: sildenafil Drug class: phosphodiesterase-5 inhibitor Drug form: oral tablet As with other drugs, Viagra can cause side effects. Read on to what happens when viagra expires Does Viagra expire? Yes, and so does the generic version, sildenafil. A Viagra tablet or pill may continue to provide erectile benefits after its expiration date, but because the active ingredient and other chemicals in expired medications see reduced activity Viagra (sildenafil) is a brand-name prescription drug that s used to treat erectile dysfunction (ED). Learn about side effects, warnings, dosage, and more. For oral dosage form (tablets): Adults up to 65 years of age50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles in the penis, called nitric oxide. This boosts blood flow and helps you get an erection from sexual activity.

20 mg Cialis tablet. Tadalafil is used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. In the US, tadalafil (as Cialis) is indicated for the treatment of erectile dysfunction and the signs and symptoms of benign prostatic hyperplasia; and (as Adcirca) for the treatment of pulmonary arterial hypertension to improve exercise ability. walmart prescription prices cialis 20mg CIALIS For Once Daily Use For ED. In three placebo-controlled clinical trials of 12 or 24 weeks duration, mean age was 58 years (range 21 to 82)and the discontinuation rate due to adverse events in patients treated with tadalafil was 4.1%, compared to 2.8%in placebo-treated patients. The cost for Cialis 2.5 mg oral tablet is around $384 for a supply of 30 tablets, depending on the pharmacy you visit. Quoted prices are for cash-paying customers and are not valid with insurance plans. This price guide is based on using the Drugs.com discount card which is accepted at most U.S. pharmacies.