Sildenafil is a generic prescription drug that’s used to treat erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). Sildenafil is available as the brand-name drugs Revatio and Viagra. This article gives details on sildenafil’s price, including resources that could help lower its cost.

Sildenafil is used in adults to treat ED and PAH.

Sildenafil comes as:

  • a powder that’s mixed with water to form a liquid suspension (a type of liquid mixture), which is taken by mouth
  • a liquid solution given by a healthcare professional as an intravenous (IV) injection
  • tablets taken by mouth

Sildenafil is a generic medication that’s also available as the brand-name drugs Revatio and Viagra.

For more details on sildenafil, see this in-depth article.

The price you pay for sildenafil can vary. Your cost may depend on your treatment plan, your insurance coverage, and the pharmacy you use.

To find out how much you’ll pay for sildenafil, talk with your doctor, pharmacist, or insurance provider.

Below are answers to some frequently asked questions about sildenafil and cost.

Do the different strengths of sildenafil cost the same?

No, the different strengths of sildenafil typically vary in cost. Each form of sildenafil comes in different strengths. And both the strength and form of sildenafil you use can affect the drug’s cost.

The chart below shows the available forms and strengths of sildenafil.

powder that’s mixed with water to form a liquid suspension (a type of liquid mixture) taken by mouth10 milligrams (mg) per milliliter (mL)
liquid solution given as an intravenous injection*10 mg per 12.5 mL
tablets taken by mouth20 mg, 25 mg, 50 mg, 100 mg

* This form is given by a healthcare professional during a hospital stay.

Your doctor may prescribe a strength of sildenafil that isn’t available from the drug manufacturer. For example, they might prescribe you 60 mg of sildenafil. In this case, you may take three of the 20 mg tablets to form 60 mg. It’s important to note that the number of tablets you’re prescribed can also affect the price you pay for sildenafil.

If you have other questions about how the different strengths of sildenafil vary in cost, talk with your doctor, pharmacist, or insurance provider.

How much does Viagra cost compared with sildenafil?

Sildenafil is a generic drug. It’s also available in a brand-name form called Viagra. Brand-name drugs generally cost more than generic drugs.

For more information about the cost of sildenafil compared with Viagra, see the “Is sildenafil available as a brand-name drug?” section below.

Sildenafil is available in brand-name versions called Revatio and Viagra. The generic version of sildenafil is sometimes referred to as sildenafil citrate. A generic drug is an exact copy of the active drug in a brand-name medication. The generic is considered to be just as safe and effective as the original drug. Generics also tend to cost less than brand-name drugs.

To find out how the costs of Revatio, Viagra, and sildenafil compare, talk with your doctor, pharmacist, or insurance provider.

If your doctor has prescribed sildenafil and you’re interested in using Revatio or Viagra instead, talk with your doctor. They may have a preference for one version or the other. In addition, if you’re using insurance to help pay for sildenafil, you’ll need to check with your insurance provider. This is because it may only cover one drug or the other.

If you take sildenafil long term, you may be able to lower your costs in the following ways:

  • Look into getting a 90-day supply of your medication. You may be able to get a 90-day supply of sildenafil if approved by your insurance company. This could reduce your number of trips to the pharmacy and help lower the cost of sildenafil. If you’re interested in getting a 90-day supply of this drug, talk with your doctor or insurance provider.
  • Use a mail-order pharmacy to get your medication. Using a mail-order pharmacy might help lower your cost for sildenafil. Plus, you could get your medication without leaving home. Some Medicare plans may help cover the cost of mail-order drugs. You may also be able to get a 90-day supply of the drug through mail order. If you don’t have health insurance, talk with your doctor or pharmacist. They may be able to suggest online pharmacy options that could work for you.

If you need help covering the cost of sildenafil or understanding your insurance, check out these websites:

On these sites, you can find insurance information, details on drug assistance programs, and links to savings cards and other services.

If you have questions about how you can pay for sildenafil, you may also want to talk with your doctor or pharmacist.

If you still have questions about the cost of sildenafil, talk with your doctor or pharmacist. They may be able to give you a better idea of what you’ll pay for this drug. But if you have health insurance, you’ll need to talk with your insurance provider to learn the actual cost you’d pay for sildenafil.

Examples of questions you may want to ask your doctor or insurance provider include:

  • What are my options if I can’t afford my medication?
  • Will generic sildenafil cost me less than brand-name versions of sildenafil?
  • Are there other lower-cost drugs that could treat my condition?

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Disclaimer: Healthline has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.