Quality Assurance: Generic Viagra undergoes rigorous testing to ensure it meets safety and quality standards set by regulatory authorities. Disclaimer: We use affiliate links in this article and may earn a commission from it. These studies have shown that Sildenafil is highly effective in treating ED and has minimal side effects when taken as directed. The ingredients of the brand and generic are listed below: Viagra Pfizer Ingredients. Although exact pricing isn’t available, it is expected that the generic will be roughly half the price for patients paying out of pocket. This active component helps relax the blood vessels in the penis, allowing for improved blood flow and facilitating erections. It is important to consult with a healthcare professional before starting this medication if you have any of the following conditions: Heart disease: Generic Viagra can increase heart rate and blood pressure, so individuals with pre-existing heart conditions should be cautious. · Drug Images Viagra treats erectile dysfunction (ED) in adults. It’s usually taken about 1 hour before sexual activity. Below, you’ll find information about recommended dosages and how to take. 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 ED. With ED, you. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness).