Comprehensive medication guide to Relpax including estimated pricing, availability information, side effects, and how to find it in stock at your local pharmacy.
Estimated Insurance Pricing
$0–$30 copay for generic eletriptan on most commercial plans; Tier 1–2 on most 2026 formularies with quantity limits of 6–9 tablets per fill. Brand Relpax is excluded from most plans.
Estimated Cash Pricing
$300–$575 retail for brand or generic without insurance; as low as $24–$25 for generic eletriptan with GoodRx or SingleCare coupons for a 30-day supply (6 tablets).
Medfinder Findability Score
80/100
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Relpax is the brand name for eletriptan hydrobromide, a prescription migraine medication approved by the FDA in 2002. It belongs to the triptan drug class — a group of serotonin receptor agonists specifically designed to treat acute migraine attacks.
Originally developed by Pfizer and distributed through its Roerig Division, Relpax has since gone off-patent and is now available as generic eletriptan hydrobromide from multiple manufacturers including Aurobindo Pharma. The drug is available in 20mg and 40mg oral tablets.
Relpax is FDA-approved for the acute treatment of migraine with or without aura in adults. It is not approved for migraine prevention, cluster headaches, or hemiplegic/basilar migraine. In head-to-head comparative clinical studies, eletriptan 40mg has consistently achieved the highest pain freedom rates (37% at 2 hours) and pain relief rates (60% at 2 hours) among all oral triptans.
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Eletriptan is a selective serotonin (5-HT1) receptor agonist that targets two key receptor subtypes: 5-HT1B and 5-HT1D. By activating these receptors, eletriptan addresses two distinct aspects of the migraine cascade simultaneously.
Vasoconstriction (5-HT1B): During a migraine, cranial blood vessels dilate and become inflamed, contributing to throbbing pain. Eletriptan activates 5-HT1B receptors on the walls of these blood vessels, causing them to constrict back to normal size and reducing the vascular component of migraine pain.
Neuropeptide inhibition (5-HT1D): Eletriptan also activates 5-HT1D receptors on trigeminal nerve endings, inhibiting the release of inflammatory neuropeptides including CGRP (calcitonin gene-related peptide) and substance P. This reduces neurogenic inflammation and blocks pain signal transmission — relieving not just headache pain, but also nausea, photophobia, and phonophobia.
Eletriptan has a half-life of approximately 4 hours and reaches peak plasma concentrations within 1.5 hours after an oral dose. Its high potency and good CNS penetration — better than first-generation triptans like sumatriptan — are thought to explain its superior efficacy in head-to-head comparisons.
20 mg — tablet
Starting dose for patients who are sensitive to medications or have mild migraines. Film-coated oral tablet.
40 mg — tablet
Standard recommended dose. Most effective single dose in clinical studies. Film-coated oral tablet. Maximum single dose is 40mg; maximum daily dose is 80mg (two 40mg doses, 2 hours apart).
As of 2026, Relpax (eletriptan) is not on the FDA's official drug shortage list. National supply of generic eletriptan hydrobromide is generally stable. However, many patients report difficulty finding it at their local chain pharmacy — a problem driven by economics and stocking decisions rather than manufacturing failures.
The main issues: brand-name Relpax is excluded from most 2026 commercial formularies, and chain pharmacies minimize stock for lower-volume generics like eletriptan. Independent pharmacies and mail-order pharmacies tend to be more reliable sources. Asking specifically for generic eletriptan hydrobromide (not brand Relpax) resolves the problem in many cases.
If you're having trouble locating eletriptan near you, medfinder calls pharmacies near you to check which ones have your medication in stock, so you don't have to make phone calls during a migraine attack. Enter your medication, dose, and location to get started.
Because eletriptan is not a DEA-scheduled controlled substance, any licensed prescriber in the United States can write a prescription for it — with no special DEA registration requirements or state-specific scheduling restrictions.
Neurologists and headache specialists — ideal for complex or treatment-resistant migraine cases
Primary care physicians (PCPs) — family medicine and internal medicine doctors routinely manage migraine
Nurse practitioners (NPs) and physician assistants (PAs) — can independently prescribe eletriptan in most states
OB/GYN physicians — frequently manage menstrual migraine with triptans
Telehealth availability: Eletriptan is well-suited for telehealth prescribing. Major platforms including Teladoc, MDLive, and Hims/Hers can evaluate and prescribe eletriptan during a video or phone consultation, with the prescription sent directly to your pharmacy. No in-person visit is required for established migraine patients seeking a refill.
No. Eletriptan (Relpax) is not a controlled substance and is not scheduled under the Drug Enforcement Administration (DEA). It has no abuse potential and no addiction risk.
Because it is unscheduled, eletriptan can be prescribed by any licensed prescriber — including primary care physicians, nurse practitioners, physician assistants, and telehealth providers — without any DEA-specific requirements. Prescriptions can be sent electronically, called in, or provided as a written script. Refills can be authorized on a standard prescription without limitations imposed by controlled substance laws.
While eletriptan is not controlled, patients should be aware that most insurance plans apply quantity limits (typically 6–9 tablets per 30-day fill) to all triptans. These limits are insurance restrictions, not legal constraints.
The following side effects were reported in more than 2% of patients in placebo-controlled clinical trials:
Nausea
Dizziness
Drowsiness / somnolence
Dry mouth
Weakness or asthenia
Tingling or flushing sensations (paresthesia)
Chest tightness or pressure (usually benign; see serious side effects)
Myocardial ischemia or infarction (heart attack): severe or prolonged chest pain, radiation to arm or jaw
Stroke: sudden weakness on one side, difficulty speaking, facial drooping
Serotonin syndrome: agitation, confusion, rapid heartbeat, high fever, muscle twitching (especially with SSRIs/SNRIs)
Cardiac arrhythmia or arrest (rare)
Medication overuse headache (MOH): worsening or more frequent headaches from using eletriptan >10 days/month
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Sumatriptan (Imitrex)
First-generation triptan; the most widely used and lowest-cost generic triptan. Available as tablet, nasal spray, and injection. Good option for patients who need multiple delivery forms or the lowest cash price.
Rizatriptan (Maxalt)
Fast-acting oral triptan with 20–30 minute onset; available as standard tablet and orally disintegrating tablet (MLT). Good for rapid-onset migraines. Generic available.
Zolmitriptan (Zomig)
Available as tablet, ODT, and nasal spray. Useful for patients with significant nausea or who cannot swallow tablets during an attack. Generic available.
Ubrogepant (Ubrelvy)
CGRP receptor antagonist; no vasoconstriction — cardiovascular-safe for patients who cannot take triptans. Approved for acute migraine treatment. Significantly more expensive than generic triptans.
Rimegepant (Nurtec ODT)
CGRP receptor antagonist approved for both acute treatment AND migraine prevention. ODT formulation. Cardiovascular-safe, lower MOH risk than triptans. Higher cost than generic eletriptan.
Prefer Relpax? We can find it.
Clarithromycin / Erythromycin
majorPotent CYP3A4 inhibitors — significantly increase eletriptan blood levels. Contraindicated within 72 hours. Separate use by at least 72 hours.
Ketoconazole / Itraconazole
majorAzole antifungals — potent CYP3A4 inhibitors. Contraindicated within 72 hours of eletriptan.
Ritonavir / Nelfinavir / Cobicistat
majorHIV protease inhibitors — strong CYP3A4 inhibitors. Eletriptan should be avoided while on these regimens.
Ergotamine / Dihydroergotamine (DHE)
majorAdditive vasoconstrictive effects. Do not use within 24 hours of each other.
Other triptans (sumatriptan, rizatriptan, etc.)
majorDo not use two triptans within 24 hours — risk of excessive vasoconstriction.
SSRIs / SNRIs (fluoxetine, sertraline, venlafaxine)
moderateIncreased risk of serotonin syndrome when combined with eletriptan. Monitor for serotonin syndrome symptoms. FDA label warning applies.
MAO inhibitors
majorSignificantly increased serotonin risk. Avoid eletriptan during MAOI use and for 2 weeks after stopping.
St. John's Wort
moderateCYP3A4 inducer (may reduce eletriptan efficacy) and serotonin activity — dual interaction risk.
Grapefruit juice
moderateCYP3A4 inhibitor in the gut — may increase eletriptan levels. Avoid grapefruit on days eletriptan is taken.
Relpax (eletriptan) remains one of the most effective oral migraine medications available in 2026. Its superior efficacy in comparative studies — ranking #1 among oral triptans for both pain freedom (37%) and pain relief (60%) at 2 hours — makes it a first-line choice for adults with migraine who can tolerate triptans.
The main challenges in 2026 are access-related: brand Relpax is largely excluded from insurance formularies, and some chain pharmacies don't routinely stock generic eletriptan. These are solvable problems. Always ask for generic eletriptan hydrobromide, use a GoodRx or SingleCare coupon to reduce cost, and consider an independent pharmacy or mail-order for reliable access.
If you're struggling to find eletriptan in stock near you, medfinder can help. Enter your medication and location, and medfinder will call pharmacies near you to find one that has it in stock — so you can spend less time searching and more time getting relief.
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Our medication guides are researched and written to help patients make informed decisions. All content is reviewed for accuracy and updated regularly. Learn more about our standards
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