Imitrex vs. Nurtec
See how Imitrex and Nurtec compare on approved uses, dosing, side effects, and cost.
Key Takeaways
Imitrex is a triptan taken at the first sign of a migraine, while Nurtec is a CGRP blocker that can treat attacks or help prevent them.
Imitrex works fast but is not safe for people with heart disease, stroke risk, or uncontrolled blood pressure, while Nurtec avoids those restrictions.
Nurtec is the only oral CGRP medication approved for both acute treatment and prevention of episodic migraine using the same tablet.
Imitrex vs. Nurtec Drug Summary
Imitrex
Imitrex (sumatriptan) is a triptan that narrows blood vessels in the brain to stop a migraine attack in progress. It comes as a tablet taken at the first sign of a migraine, with a second dose allowed after two hours if needed. It only treats acute attacks and does not prevent future migraines.
Nurtec
Nurtec (rimegepant) is a CGRP receptor blocker that can both treat an active migraine and help prevent future episodes. It dissolves on or under the tongue and is taken as a single 75 mg dose during an attack, or every other day for prevention. It is the only oral CGRP medication approved for both uses in the same tablet.
Imitrex vs. Nurtec Side Effects
Imitrex
Nurtec
Imitrex vs. Nurtec Dosage
Imitrex
Nurtec
| STAGE | DOSE | WHEN |
| Starting dose | 25, 50, or 100 mg | At the start |
| Maximum dose | Repeat, max 200mg/day | If needed |
| Dose changes | 1 increase | As tolerated |
| STAGE | DOSE | WHEN |
| Starting dose | 75 mg as needed | At the start |
| Maximum dose | 75 mg every other day | If needed |
| Dose changes | 1 increase | As tolerated |
Imitrex
| STAGE | DOSE | WHEN |
| Starting dose | 25, 50, or 100 mg | At the start |
| Maximum dose | Repeat, max 200mg/day | If needed |
| Dose changes | 1 increase | As tolerated |
Nurtec
| STAGE | DOSE | WHEN |
| Starting dose | 75 mg as needed | At the start |
| Maximum dose | 75 mg every other day | If needed |
| Dose changes | 1 increase | As tolerated |
Imitrex vs. Nurtec Indications
Imitrex
Imitrex is FDA-approved for acute treatment of migraine with or without aura in adults, and the injectable form also treats cluster headache. It works best when taken as soon as migraine symptoms start. It is not approved for migraine prevention or for use in children.
Acute treatment of migraine with or without aura
Acute treatment of cluster headache (injection only)
Not approved for migraine prevention
Not approved for pediatric use under 18
Nurtec
Nurtec is FDA-approved for acute treatment of migraine with or without aura in adults, and separately for preventing episodic migraine. The same 75 mg tablet is used for both purposes, just on a different schedule. It is not approved for chronic migraine prevention or cluster headache.
Acute treatment of migraine with or without aura
Preventive treatment of episodic migraine
Not approved for chronic migraine prevention
Not approved for cluster headache
Imitrex vs. Nurtec Pros and Cons
Imitrex
Imitrex has decades of clinical use and comes in tablet, injection, and nasal spray forms for fast or flexible dosing. Because it is a triptan, it carries cardiovascular contraindications that rule it out for people with heart disease or uncontrolled hypertension. Its long track record also means broad insurance coverage and lower typical cost.
Pros
Available as tablet, injection, or nasal spray
Long track record with decades of real-world use
Lower typical monthly list price ($650 to $850)
Multiple dosing options for breakthrough pain
Cons
Contraindicated in coronary artery disease and stroke risk
Cannot combine with MAOIs or other triptans/ergots
Not approved for migraine prevention
Risk of serotonin syndrome with SSRIs/SNRIs
Nurtec
Nurtec avoids the cardiovascular restrictions of triptans, making it an option for patients who cannot take Imitrex. It treats and helps prevent migraine with the same tablet, but it costs significantly more and has no generic available. Its most common side effects are mild, mostly nausea and stomach discomfort.
Pros
No cardiovascular contraindications like triptans
Can treat and prevent migraine with one medication
Milder, less frequent side effects overall
Dissolves without water, useful during an attack
Cons
Higher typical monthly list price ($1,000 to $1,376)
No generic version available
Risk of serious hypersensitivity reactions, including anaphylaxis
Must avoid strong CYP3A4 inhibitors
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