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Medically Approved

Farxiga oral tablet dosage: A detailed guide

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Doctors prescribe Farxiga for type 2 diabetes, heart failure, kidney disease, and other conditions. You take it by mouth once per day.
Medically reviewed by Christina Bookwalter PharmD, MS MEd, BCPS, BCACP
Updated on

This article describes Farxiga oral tablet’s dosages and strengths and gives details on how to take it. You’ll also find information on cost savings and coupon options for Farxiga. If you want to know more about Farxiga, see this overview article. It covers details about the drug’s uses and side effects, ways to save on cost, and more.

Farxiga is a brand-name medication that comes as an oral tablet. It isn’t available in a generic version. This article describes dosages of Farxiga.

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Form and strengths of Farxiga

Farxiga comes as follows:

  • Form: tablet that you swallow
  • Strengths: 5 milligrams (mg), 10 mg

Dosage of Farxiga

This article describes the recommended dosages for Farxiga. The drugmaker provides these dosages.

If your doctor prescribes this medication, you should follow the dosage they prescribe. Your doctor will determine the dosage that best meets your needs. Do not change your dosage of Farxiga without your doctor’s recommendation.

Usual recommended dosages of Farxiga in adults

Your doctor will prescribe a dosage of Farxiga based on the condition being treated and your glomerular filtration rate (GFR). (GFR is a test used to see how well your kidneys work.) They’ll likely order a blood test to find out your GFR before starting treatment.

Dosage for type 2 diabetes

The following is the recommended dosage of Farxiga for managing blood sugar levels in adults with type 2 diabetes:

  • Starting dosage: 5 mg once per day
  • Your doctor may increase the dosage up to 10 mg once per day if needed. This is the maximum dosage of Farxiga that’s recommended.

Farxiga is not recommended for managing blood sugar levels if your estimated GFR (eGFR) is less than 45 milliliters per minute (mL/min).

Dosage for type 2 diabetes with heart and blood vessel disease or risk factors

If you have type 2 diabetes and already have or are at increased risk of certain heart and blood vessel conditions, your doctor may recommend taking Farxiga to lower your risk of being hospitalized for heart failure. The recommended dosage of Farxiga for lowering the risk of being hospitalized for heart failure is 10 mg once per day. This is the maximum recommended dosage of Farxiga.

Doctors do not recommend starting treatment with Farxiga for type 2 diabetes with heart and blood vessel disease (or risk factors) if your eGFR is less than 25 mL/min. But, if you’re already taking Farxiga, it may be safe for you to continue taking it. Your doctor will review your kidney function and decide what’s best for you.

Dosage for chronic kidney disease

The recommended dosage of Farxiga for chronic kidney disease is 10 mg once per day. This is the maximum dosage of Farxiga that’s recommended.

It’s not recommended that you start treatment with Farxiga for chronic kidney disease if your eGFR is less than 25 mL/min. But, if you’re already taking Farxiga, it may be safe for you to continue taking it. Your doctor will review your kidney function and decide what’s best for you.

Dosage for heart failure

The recommended dosage of Farxiga for heart failure is 10 mg once daily. This is the maximum dosage of Farxiga that’s recommended.

It’s not recommended that you start treatment with Farxiga for heart failure if your eGFR is less than 25 mL/min. But, if you’re already taking Farxiga, it may be safe for you to continue taking it. Your doctor will review your kidney function and decide what’s best for you.

Dosage adjustments for Farxiga

Your doctor will prescribe a dosage of Farxiga based on several factors. These include:

  • the specific condition being treated and how severe it is
  • your age
  • your kidney function
  • other health conditions you may have

Missed dose of Farxiga

Talk with your doctor or pharmacist right away if you realize you forgot to take a dose of Farxiga. They may advise you to take the missed dose. Or they may advise you to skip it and take your next dose as scheduled.

For tips on how to plan your doses of Farxiga and avoid missing a dose, read this article. You could also try:

  • downloading a reminder app on your phone
  • setting an alarm
  • putting a note where you’ll see it, such as on your calendar, bathroom mirror, or bedside table

Frequently asked questions

Below are answers to some commonly asked questions about Farxiga and its dosage.

Does Farxiga have a 20 mg daily dosage?

No. The maximum recommended dosage of Farxiga is 10 mg once per day. Taking dosages higher than recommended can raise the risk of side effects.

If you have questions about the right dosage of Farxiga for you, talk with your doctor.

Is Farxiga taken long term?

Yes, doctors typically prescribe Farxiga as a long-term treatment. If you and your doctor find that it’s safe and effective for your condition, you’ll likely take it long term.

If you have questions about how long you should take Farxiga, talk with your doctor.

How Farxiga is taken

You’ll swallow Farxiga once per day. You can take it with or without food.

Your doctor may advise that you take this medication around the same time each day. This helps keep a consistent amount of the drug in your body. And that can help the drug work better.

The drugmaker hasn’t specified whether Farxiga tablets can be cut, crushed, or chewed. Swallow the tablets whole. If it’s hard for you to swallow tablets, view this article. It provides suggestions on how to swallow medications that come in pill form.

Also, be sure to talk with your doctor or pharmacist if you’re having difficulty taking your medication. They can offer recommendations about taking it.

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Overdose of Farxiga

It’s important that you do not take more Farxiga than your doctor prescribes. Doing so can lead to harmful effects.

What to do if you take too much Farxiga

If you think you’ve taken too much Farxiga, call your doctor or pharmacist right away. Or you could call 800-222-1222 to speak with someone at America’s Poison Centers. You can also use its online resource. If you have severe symptoms, call 911 or a local emergency number immediately. You can also go to the closest emergency room.

What to ask your doctor

This article describes the usual recommended dosages for Farxiga. If your doctor prescribes this medication, they’ll determine the dosage that’s best for you.

Do not change your dosage of Farxiga without your doctor’s recommendation. You should take Farxiga exactly as your doctor prescribes it. Let your doctor know if you have concerns or questions about your treatment plan.

Here’s a list of some possible questions you may want to ask your doctor:

  • Will a higher dosage of Farxiga raise my risk of side effects?
  • How long will I take Farxiga?
  • Will my dosage of Farxiga change if I take other drugs with it?

Disclaimer: Optum Perks 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.

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