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Riluzole: Brands, Price & Uses in Bangladesh
Riluzole is indicated for the treatment of amyotrophic lateral sclerosis (ALS) , also known as motor neuron disease.
About Riluzole
Indications of Riluzole
Riluzole is indicated for the treatment of amyotrophic lateral sclerosis (ALS), also known as motor neuron disease. It is an FDA-approved, guideline-supported disease-modifying therapy shown to modestly prolong survival and/or extend the time to tracheostomy or mechanical ventilation in patients with ALS.
- Established/FDA-approved use: Treatment of ALS in adults, across clinical subtypes (bulbar-onset and limb-onset), typically initiated as soon as the diagnosis is confirmed.
Riluzole does not reverse motor neuron damage that has already occurred, does not improve muscle strength or function, and is not a cure for ALS; its benefit is a modest extension of survival time. Riluzole is not approved or indicated for other forms of motor neuron disease, general neuroprotection, or any condition outside ALS.
Dosage & Administration of Riluzole
| Indication | Population | Recommended Dose |
|---|---|---|
| Amyotrophic lateral sclerosis (ALS) | Adults | 50 mg orally twice daily (total 100 mg/day), taken at least 1 hour before or 2 hours after a meal |
| Amyotrophic lateral sclerosis (ALS) | Pediatric patients | Safety and efficacy not established; not recommended |
| Hepatic impairment (mild-moderate) | Adults | Use with caution and close liver function monitoring; not recommended if baseline transaminases are markedly elevated (see Contraindications) |
| Renal impairment | Adults | No well-established dose adjustment; limited data, use with caution |
Doses higher than 100 mg/day do not provide additional benefit and increase the risk of adverse effects. Riluzole is intended for long-term use as tolerated; do not stop or change the dose without consulting a physician.
Side Effects of Riluzole
Common side effects of Riluzole include:
- Nausea and vomiting
- Asthenia (weakness/fatigue)
- Dizziness
- Abdominal pain and diarrhea
- Elevated liver enzymes (usually asymptomatic)
- Decreased lung function (spirometry changes)
- Oral paresthesia (with orally disintegrating tablet)
Less common but serious effects include severe hepatotoxicity, neutropenia, and interstitial lung disease (see Precautions and Warnings). Seek prompt medical attention for signs of liver injury (jaundice, dark urine, persistent nausea), unusual bleeding/infection, or new breathing difficulty.
Contraindications of Riluzole
- Known hypersensitivity to Riluzole or any component of the formulation.
- Hepatic impairment with baseline liver transaminases (ALT) markedly elevated above the upper limit of normal, per product labeling thresholds.
Frequently Asked Questions about Riluzole
What is Riluzole used for?
Riluzole is used to treat amyotrophic lateral sclerosis (ALS), a progressive motor neuron disease. It can modestly extend survival and delay the need for mechanical ventilation, though it does not reverse existing nerve damage or cure ALS.
How should I take Riluzole?
Riluzole is usually taken as 50 mg by mouth twice daily, at least 1 hour before or 2 hours after meals, since food reduces its absorption. Take it at the same times each day and do not change the dose without consulting your physician.
What are the main side effects of Riluzole?
Common side effects of Riluzole include nausea, weakness, dizziness, abdominal pain, and elevated liver enzymes. Rare but serious effects include severe liver injury, low white blood cell counts (neutropenia), and interstitial lung disease. Contact your doctor promptly if you notice yellowing of the skin/eyes, persistent nausea, fever, or new breathing problems.
Can Riluzole be used during pregnancy or breastfeeding?
Riluzole should be used in pregnancy only if clearly needed and if potential benefit outweighs potential risk to the fetus, since human data are limited. It is not known whether Riluzole passes into breast milk, so a decision about breastfeeding versus continuing Riluzole should be made with a physician.
Does Riluzole require any monitoring?
Yes. Because Riluzole can affect the liver, doctors typically check liver function tests before starting treatment, monthly for the first 3 months, and periodically thereafter. Report any signs of liver problems, infection, or breathing difficulty to your doctor promptly.
What should I do if I miss a dose or take too much Riluzole?
If you miss a dose of Riluzole, take it as soon as you remember, but skip it if it is almost time for the next dose - do not double up. If an overdose is suspected, seek immediate medical attention or contact emergency services or a poison control center right away.
Disclaimer
The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.