Generic Name: miglustat (mi GLOO stat)
Brand Names: Zavesca
Medically reviewed on February 14, 2018.
What is Zavesca?
Zavesca (miglustat) reduces the formation of a certain protein in the body in people with type 1 Gaucher disease.
Gaucher disease is a genetic condition in which the body lacks the enzyme needed to break down certain fatty materials (lipids). Lipids can build up in the body, causing symptoms such as easy bruising or bleeding, weakness, anemia, bone or joint pain, enlarged liver or spleen, or weakened bones that are easily fractured.
Zavesca is used to treat mild to moderate type 1 Gaucher disease by people who cannot receive enzyme replacement therapy.
Zavesca may improve the condition of the liver, spleen, bones, and blood cells in people with Type I Gaucher disease. However, it is not a cure for this condition.
Zavesca may also be used for purposes not listed in this medication guide.
Nerve problems such as numbness, tingling, and tremor (shaking) of the hands have been reported by some people taking Zavesca. Contact your doctor immediately if you experience new or worsening numbness, tingling, or burning in the hands, arms, legs, or feet or tremor in the hands.
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 Zavesca if you are allergic to miglustat.
To make sure Zavesca is safe for you, tell your doctor if you have:
an intestinal disorder such as ulcerative colitis;
kidney disease; or
a condition that causes tremors.
FDA pregnancy category C. It is not known whether Zavesca will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medicine.
It is not known whether miglustat passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using Zavesca.
Do not give Zavesca to anyone under 18 years old without medical advice.
How should I take Zavesca?
Take Zavesca exactly as directed by your doctor. Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Zavesca is usually taken 3 times per day. Take the medicine at the same time each day.
Your doctor will need to check your nerve and muscle function every 6 months while you are using Zavesca.
Use Zavesca regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.
Store at room temperature away from moisture and heat.
Zavesca dosing information
Usual Adult Dose for Gaucher Disease:
Initial dose: 100 mg orally 3 times a day at regular intervals
See also: Dosage Information (in more detail)
What happens if I miss a dose?
If you miss a dose of Zavesca, skip the missed dose and only take the next regularly scheduled dose. Do not take a double dose of this medication unless otherwise directed by your doctor.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking Zavesca?
Zavesca can cause diarrhea, which may be serious. Your doctor may prescribe anti-diarrhea medicine and may also recommend changes in your diet.
Follow your doctor's instructions about any restrictions on food, beverages, or activity.
Zavesca side effects
Get emergency medical help if you have any of these signs of an allergic reaction to Zavesca: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
tremor or uncontrolled shaking, especially in your hands;
numbness, tingling, or burning pain in your hands or feet;
severe diarrhea and weight loss; or
easy bruising or bleeding (nosebleeds, bleeding gums).
Common Zavesca side effects may include:
diarrhea, constipation, bloating;
nausea, vomiting, stomach pain, indigestion;
headache (including migraine);
back pain, muscle cramps;
pain or heavy feeling in your arms or legs;
memory problems, feeling unsteady, loss of balance;
vision problems; or
changes in your menstrual periods.
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.
See also: Side effects (in more detail)
What other drugs will affect Zavesca?
Other drugs may interact with miglustat, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Zavesca only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2018 Cerner Multum, Inc. Version: 5.01.
More about Zavesca (miglustat)
- Zavesca Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
- Support Group
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- Drug class: miscellaneous metabolic agents