Erectile dysfunction care at Mayo Clinic Ultrasound Urinalysis Treatment The first thing your doctor will do is to make sure you’re getting the right treatment for any .Oral medicine for ED also might not be safe or work well if you have: Very low blood pressure, called hypotension, or uncontrolled high blood pressure, called hypertension. Write down key personal information, including any major stresses or recent life changes. This boosts blood flow and helps you get an erection from sexual activity. Do not press on the plunger of the syringe. Medicines that you take by mouth are called oral medicines. This medicine also works best when you take it an hour before sex on an empty stomach.Ask your doctor to prescribe brand-name VIAGRA and to indicate “DAW” (Dispense As Written)—or the language used in your state—on all of your VIAGRA prescriptions. Get . The safest way to get a prescription for Viagra is from your doctor. You can even do this over a telehealth call (on the phone or computer) in many cases, . 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 addition to these evaluations, your healthcare provider will need to evaluate what medications you are on. Store mixed oral liquid in the refrigerator. This is because Viagra may interact with certain medications, according to the Mayo Clinic. Checking with Your Health Insurance Provider Before you go to an urgent care clinic for a Viagra prescription, you may want to check with your health insurance provider to see if the cost of the prescription will be covered or if prior authorization is needed. If you see air bubbles in the syringe, repeat the steps. Email Address:.