These are commonly prescribed for an enlarged prostate or male pattern baldness. People who use nitrates in any form or are being treated for pulmonary hypertension should not take sildenafil. Your doctor will discuss the best treatment plan for you. However, these side-effects tend to be mild and temporary, so they might not be a reason to avoid trying ED medication. To make the most out of your doctor’s appointment, you should prepare questions and answers ahead of time. Within 24 hours, a healthcare provider will contact you for further information and to present you with several options. You may have your doctor’s office directly submit the script to your preferred pharmacy, or you can take it with you and use the script to purchase Viagra at a pharmacy or online.You need a prescription from a doctor to obtain sildenafil. You can buy it from a store-based pharmacy or reputable online pharmacy with a prescription. Some people buy . Optum Store Sildenafil If you are experiencing the symptoms of erectile dysfunction (ED), you may have considered using Viagra or a similar ED medication as Missing: script. Q&A Drug Images 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 Missing: script.