Getting Viagra prescribed is straightforward: you need a medical evaluation, either in person or through a legitimate telehealth platform, where a provider confirms that erectile dysfunction medication is safe for you. The process typically takes a single appointment, and most men who request it walk out with a prescription the same day.
What Happens at the Appointment
The evaluation has two parts: a conversation about your medical and sexual history, and a physical exam. Your provider will ask when the problem started, whether it happens every time or only in certain situations, and whether you wake up with erections. These details help distinguish between physical causes (blood flow, nerve damage, hormonal issues) and psychological ones (stress, anxiety, relationship problems). Be as specific as you can. Doctors have this conversation constantly, and the more detail you give, the faster the visit goes.
The physical exam is brief. It may include checking your blood pressure, examining your genitals, and testing for nerve sensation. Your doctor will likely order blood work to screen for conditions that often drive erectile dysfunction, including diabetes, heart disease, and low testosterone. These results matter because ED is frequently an early warning sign of cardiovascular problems, and treating the underlying cause can be more effective than the pill alone.
If your doctor suspects a psychological component, they may recommend counseling for you or for you and your partner, sometimes alongside medication.
Using Telehealth to Get a Prescription
Telehealth platforms are a popular option, especially if you’d rather skip the waiting room. Legitimate services connect you with a licensed provider over video for a real-time consultation. That distinction matters: most states prohibit prescribing based solely on an online questionnaire. A provider must conduct an actual medical evaluation, verify your identity, confirm your physical location, and document your health history before writing a prescription. Colorado, Iowa, and several other states explicitly ban questionnaire-only prescribing.
During a telehealth visit, expect to answer the same questions you’d face in person: your symptoms, how long they’ve lasted, your current medications, and your cardiovascular health. The provider may ask you to upload recent lab results or order new blood work through a local lab. If everything checks out, the prescription is sent electronically to a pharmacy of your choice.
Be cautious with any platform that offers a prescription without a live consultation or doesn’t ask about your medication list. That’s not just a red flag for quality. It’s potentially dangerous.
Who Should Not Take Viagra
The most critical safety check is your medication list. Viagra (sildenafil) causes a significant drop in blood pressure when combined with nitrate medications, which are commonly prescribed for chest pain. If you use nitroglycerin in any form, whether patches, sublingual tablets, or sprays, Viagra is strictly off limits. The combination can cause a life-threatening drop in blood pressure.
Your provider will also evaluate whether your cardiovascular health can handle the physical demands of sexual activity. Men with recent heart attacks, unstable angina, or severe blood pressure problems may need further workup before getting a prescription. Certain other blood pressure medications can interact with sildenafil, so bring a complete list of everything you take, including supplements.
Dosage and What to Expect
The standard starting dose for men under 65 is 50 mg, taken about one hour before sexual activity. For men 65 and older, doctors typically start at 25 mg. Your provider may adjust the dose up or down based on how well it works and whether you experience side effects. The maximum frequency is once per day.
Sildenafil doesn’t produce an automatic erection. It works by increasing blood flow when you’re sexually aroused, so stimulation is still necessary. Common side effects include headache, facial flushing, and nasal congestion. These are generally mild and tend to lessen with repeated use.
Generic Sildenafil vs. Brand-Name Viagra
Pfizer’s patent on Viagra expired years ago, and generic sildenafil is now widely available at a fraction of the cost. The active ingredient is identical. Generic versions can cost as little as $0.12 per pill without insurance, compared to dramatically higher prices for the brand name. When your doctor writes the prescription, you can ask them to prescribe “sildenafil” rather than “Viagra,” or your pharmacist can automatically substitute the generic unless the prescription specifies otherwise.
If cost is a concern, ask your pharmacy about discount programs. Many chains and online pharmacies offer sildenafil at competitive cash prices, sometimes lower than your insurance copay.
Staying Safe With Online Pharmacies
If you fill your prescription online, verify the pharmacy is licensed in the U.S. and in your state. The FDA warns against pharmacies that don’t require a prescription, offer prices that seem too good to be true, or ship medication in damaged or foreign-language packaging with no expiration date. Counterfeit erectile dysfunction pills are one of the most commonly seized fake medications at U.S. borders, and they can contain the wrong dose, the wrong ingredient, or nothing at all.
A safe online pharmacy will have a licensed pharmacist available to answer questions, require a valid prescription, and clearly protect your personal and financial information. The FDA’s BeSafeRx program maintains a list of verified online pharmacies if you want to check before ordering.