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Tiglutik

Generic name: riluzole

Brand names: Rilutek, Tiglutik

Last updated November 3, 2026 0 views
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What is Tiglutik?

Tiglutik is used to treat amyotrophic lateral sclerosis, also known as ALS or Lou Gehrig's disease.

Tiglutik is not a cure for ALS, but it may delay the progression of the disease and prolong your life.

Tiglutik may also be used for purposes not listed in this medication guide.

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How should I take Tiglutik?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Take Tiglutik on an empty stomach, at least 1 hour before or 2 hours after a meal.

Tiglutik may also be given through a PEG feeding tube.

Read and follow all Instructions for Use. Ask your doctor or pharmacist if you need help.

Shake the oral suspension (liquid) before you measure a dose. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

You will need frequent medical tests.

Store at room temperature away from moisture, heat, and light. Keep the liquid medicine upright and do not freeze. Throw away any unused liquid after 15 days.

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Warnings

Use only as directed. Inform your doctor if you are taking other medicines, have other medical conditions, or have allergies.

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Before taking this medicine

You should not use Tiglutik if you are allergic to it.

Tell your doctor if you have ever had:

  • liver disease.

Tiglutik may harm an unborn baby. Use effective birth control to prevent pregnancy, and tell your doctor if you become pregnant.

Ask a doctor if it is safe to breastfeed while using Tiglutik.

Not approved for use by anyone younger than 18 years old.

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What are the Tiglutik side effects of riluzole?

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

Tiglutik may cause serious side effects. Stop using Tiglutik and call your doctor right away if you have:

  • sudden chest pain, wheezing, feeling short of breath;
  • dry cough, or cough with mucus;
  • low white blood cell counts—fever, mouth sores, skin sores, sore throat; or
  • liver problems—nausea, loss of appetite, stomach pain (upper right side), tiredness, itching, dark urine, jaundice (yellowing of the skin or eyes).

Side effects may be more likely to occur in people of Japanese descent.

Common side effects of Tiglutik may include:

  • increased blood pressure;
  • numbness or tingling around your mouth;
  • weakness;
  • dizziness;
  • stomach pain, nausea; or
  • breathing problems.

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.

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What happens if I miss a dose?

Take the medicine as soon as you can. If it is almost time for your next dose, skip the missed dose. Do not take two doses at the same time.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

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

Overdose symptoms may include drowsiness, confusion, problems with thinking or memory, coma, tremors, or blue lips or fingers.

  • Avoid smoking. Smoking cigarettes may make Tiglutik less effective.

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What other drugs will affect Tiglutik?

Sometimes it is not safe to use certain medications together. Some drugs can change how much of other drugs is in your blood, which can increase side effects or make the medications work less effectively.

Tiglutik can damage your liver, especially if you also take certain medicines for infections, birth control, high cholesterol, seizures, pain, or arthritis (including Advil).

Other drugs may influence Tiglutik, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you are taking.

This section was rewritten for readability and reviewed for meaning.

Frequently asked questions

  • What is the difference between Rilutek, Tiglutik and Exservan?

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Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.