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Miglustat

Miglustat Side Effects

Jenny Zhang, PharmD, BCOPDaisy Chau, PharmD
Reviewed by Jenny Zhang, PharmD, BCOP, Daisy Chau, PharmD
Last reviewed on March 16, 2022

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • Diarrhea (89-100%)
  • Weight loss (39-67%)
  • Stomach pain (18-67%)
  • Passing gas (29-50%)
  • Tremor (11-30%)
  • Headache (21-22%)
  • Nausea (8-22%)
  • Weakness (17%)
  • Vision problems (<17%)
  • Vomiting (4-11%)
  • Leg cramps (4-11%)

Less Common Side Effects

  • Bloating
  • Loss of appetite
  • Heartburn
  • Dizziness
  • Migraine
  • Muscle cramps
  • Menstrual problems
  • Constipation
  • Dry mouth
  • Back pain
  • Heaviness in limbs
  • Unstable when walking
  • Memory loss

Source: DailyMed

The following Miglustat side effects have also been reported

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common

Black, tarry stools

bleeding gums

blood in the urine or stools

burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings

diarrhea

pinpoint red spots on the skin

trembling or shaking in the hands

unsteadiness or awkwardness

unusual bleeding or bruising

weakness in the arms, hands, legs, or feet

weight loss

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Back pain

bloated or full feeling

blurred or loss of vision

difficulty having a bowel movement (stool)

disturbed color perception

dizziness

double vision

dry mouth

excess air or gas in the stomach or intestines

halos around lights

headache

heartburn

heaviness in the limbs

indigestion

leg cramps

loss of appetite

memory loss

menstrual changes

nausea

pain or discomfort in the chest, upper stomach, or throat

passing gas

stomach discomfort, upset or pain

swelling of the abdominal or stomach area

tunnel vision

unsteady walk

vomiting

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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