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Generic name: migalastatmi-GAL-a-stat ]
Drug class: Miscellaneous metabolic agents

Medically reviewed by Philip Thornton, DipPharm. Last updated on Jan 24, 2023.

What is Galafold?

Galafold works by binding to and stabilizing a certain enzyme in the body called alpha-galactosidase A. A deficiency of this enzyme is called Fabry disease.

Galafold is used to treat Fabry disease in adults.

Galafold was approved by the US Food and Drug Administration (FDA) on an "accelerated" basis. In clinical studies, some people responded to this medicine, but further studies are needed.


Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Before taking this medicine

You should not use Galafold if you are allergic to migalastat.

Tell your doctor if you have ever had kidney problems.

Tell your doctor if you are pregnant or breastfeeding.

If you are pregnant or breastfeeding, your name may be listed on a registry to track the effects of migalastat on the baby.

Galafold is not approved for use by anyone younger than 18 years old.

How should I take Galafold?

Take Galafold exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets.

Take this medicine on an empty stomach, at least 2 hours before or 2 hours after a meal.

Galafold is usually taken every other day, at the same time of day.

Swallow the capsule whole and do not crush, chew, break, or open it.

Do not take this medicine 2 days in a row.

Store at room temperature away from moisture and heat. Keep unused capsules in the blister pack.

Dosing information

Usual Adult Dose for Fabry Disease:

123 mg orally once every other day
-Take on an empty stomach; do not consume food for at least 2 hours before and 2 hours after dosing; clear liquids may be consumed during this period

-This drug should not be taken on 2 consecutive days.
-Patients with Fabry disease should have an amenable galactosidase alpha gene variant (GLA) that is interpreted by a clinical geneticist as pathogenic or likely pathogenic as causing Fabry disease.
-This drug approval is under an accelerated approval based on reduction in kidney interstitial capillary cell globotriaosylceramide (KIC GL-3) substrate; continued approval is subject to demonstrated clinical benefit.

Use: For the treatment of adults with Fabry disease and an amenable galactosidase alpha gene variant (GLA) based on in vitro assay data.

What happens if I miss a dose?

Use the medicine as soon as you can, but skip the missed dose if you are more than 12 hours late for the dose. Do not use two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What to avoid

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

Galafold side effects

Get emergency medical help if you have signs of an allergic reaction to Galafold: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor if you have:

  • pain or burning when you urinate.

Common Galafold side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect Galafold?

Other drugs may interact with migalastat, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

Popular FAQ

An amenable mutation is a genetic change or variant that a person may have that is responsive - amenable - to treatment.

The term ‘amenable mutation’ is used to describe certain mutations of the galactosidase alpha gene (GLA), found in people with Fabry disease, which respond to treatment with Galafold (migalastat). Continue reading

More FAQ

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Galafold only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.