Follow-up support: Make sure you can get the help you need if questions or concerns arise after ordering. Viagra, known as the blue pill, can be prescribed by doctors or clinicians in strengths of 25mg, 50mg, and mg. Most will prescribe the 50mg tablet at first to patients who are just starting to take Viagra. But if someone takes Viagra with cocaine, they’re at risk for priapism, heart attack or stroke. 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. Erectile dysfunction can be caused by a variety of factors , including age, cardiovascular problems, diabetes, and other conditions that affect nerve function or blood flow. Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. · Revatio is an oral tablet or injectable form of sildenafil used in adults. Liqrev (sildenafil) suspension, approved in , is also used to treat PAH in adults. These . · The price for a BlueChew sildenafil subscription ranges from $20 to $ per month — about $ to $5 per pill depending on which plan and dose you choose. . Best Chewable Pill: BlueChew Best Long-Term Care: K Health Best Low Cost: GoodRx Fastest Delivery: Blink Health: Sesame Sign Up Now Key Specs Cost: .