They’re often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction ED. It may be difficult to remain firm despite wanting to have sex. Taking acetaminophen and drinking plenty of water can help with a headache if Viagra otherwise works fine. Your health information should remain between your provider and yourself. Medicines that block an enzyme called CYP3A4. The specific process for getting ED pills online depends on your chosen provider. Answer: In short, the drug in Viagra, Sildenafil, dilates blood vessels at the entrance to the penis.You may be able to get a day supply of Viagra. If approved by your insurance company, getting a day supply of the drug could reduce your number of trips to the pharmacy and help lower the. Ask your doctor Q&A 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 Missing: usa. Best Low Cost: GoodRx Fastest Delivery: Blink Health: Sesame Sign Up Now Key Specs Cost: Consultation prices vary based on the prescriber; $5 generic prescriptions Medical Consultation Required: Yes Medications Prescribed: Viagra, Cialis, sildenafil, tadalafil Generic offered: Yes Why We Chose ItMissing: usa.