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Rimegepant: Brands, Price & Uses in Bangladesh
Rimegepant is a calcitonin gene-related peptide (CGRP) receptor antagonist (gepant class) approved for two distinct uses in adults: Established / FDA-Approved Uses Acute treatment of migraine with…
About Rimegepant
Indications of Rimegepant
Rimegepant is a calcitonin gene-related peptide (CGRP) receptor antagonist (gepant class) approved for two distinct uses in adults:
Established / FDA-Approved Uses
- Acute treatment of migraine with or without aura in adults.
- Preventive treatment of episodic migraine in adults, dosed every other day.
Rimegepant is not indicated for the treatment of cluster headache or other headache disorders, and it is not approved for use in children.
Dosage & Administration of Rimegepant
Dosing of Rimegepant differs depending on whether it is used for acute or preventive treatment of migraine.
| Indication | Adult Dose | Maximum |
|---|---|---|
| Acute treatment of migraine | 75 mg orally, as a single dose, as needed | Do not exceed 75 mg in 24 hours; safety of more than 18 doses per 30 days has not been established |
| Preventive treatment of episodic migraine | 75 mg orally every other day | One dose every other day; do not increase frequency |
Hepatic and Renal Adjustment
- Renal impairment: No dose adjustment needed in mild-to-severe renal impairment; use in end-stage renal disease is not recommended.
- Hepatic impairment: No dose adjustment needed in mild or moderate (Child-Pugh A/B) impairment; use in severe hepatic impairment (Child-Pugh C) is not recommended due to markedly increased drug exposure (see Precautions and Warnings).
See Administration below for instructions on taking the orally disintegrating tablet.
Side Effects of Rimegepant
The most commonly reported adverse effect with Rimegepant is nausea. Other effects reported include:
- Nausea (most common, seen with both acute and preventive use)
- Abdominal pain and dyspepsia (more common with preventive, every-other-day dosing)
- Hypersensitivity reactions, including dyspnea and rash, in a small proportion of patients (see Precautions and Warnings for details)
Most adverse effects are mild to moderate in severity. Patients should seek prompt medical attention for any signs of a serious allergic reaction.
Contraindications of Rimegepant
Rimegepant is contraindicated in patients with a known history of hypersensitivity to Rimegepant or any component of the formulation.
Frequently Asked Questions about Rimegepant
What is Rimegepant used for?
Rimegepant is used both for the acute treatment of a migraine attack that has already started, and for the prevention of episodic migraine when taken every other day.
Can I take Rimegepant every day?
No. For acute use, do not exceed one dose in 24 hours, and do not use more than 18 doses in 30 days. For prevention, Rimegepant is taken only every other day, not daily. Follow your physician's specific instructions.
Is Rimegepant safe during pregnancy?
Data are limited. Rimegepant should be used during pregnancy only if clearly needed and if the potential benefit justifies the potential risk to the fetus; always consult your physician before use.
What should I do if I develop a rash or difficulty breathing after taking Rimegepant?
Stop taking Rimegepant immediately and seek urgent medical attention, as these may be signs of a serious hypersensitivity reaction, which can sometimes occur even days after the dose.
Can Rimegepant be taken with other migraine medicines?
Certain drugs, especially strong CYP3A4 inhibitors and inducers, can significantly change Rimegepant levels in the body. Always inform your physician of all medications you take before starting Rimegepant.
What happens if I take too much Rimegepant?
If an overdose of Rimegepant is suspected, seek immediate medical attention or contact a poison control center. Treatment is supportive; there is no specific antidote.
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.