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

Most common
pain/pressure sensations (chest, neck, throat, jaw) (up to 8%)
paresthesia (all types) (up to 6%)

Nurtec

Most common
nausea (up to 2.7%)
abdominal pain/dyspepsia (up to 2.4%)

Imitrex vs. Nurtec Dosage

Imitrex

Dosage
Dosage Table
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

Dosage
Dosage Table
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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