Product image of Imigran (Sumatriptan) supplied by GNH India

Imigran

Active Ingredient:
Sumatriptan
Origin:
EU

Imigran (Sumatriptan)

Sumatriptan, the active ingredient in Imigran, is a selective serotonin 5‑HT1B/1D receptor agonist presented as a tablet for oral use. It is indicated for the acute treatment of migraine attacks, with or without aura, in adult patients. It provides rapid relief of migraine pain and associated symptoms such as nausea, photophobia and phonophobia.

GNH India supplies Imigran as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The product conforms to EU regulatory standards and is distributed under a prescription‑only status.

Manufacturer / TM Owner

Glaxosmithkline (Ireland) Limited

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Indications & Clinical Uses

  • Sumatriptan is used to treat migraine, a neurovascular headache disorder, by targeting serotonergic pathways.
  • Migraine with aura: provides rapid relief of headache pain and associated symptoms.
  • Migraine without aura: aborts the attack and reduces nausea, photophobia, and phonophobia.
  • Acute migraine attacks (any type): offers an oral option for quick symptom control.

How It Works

  • Sumatriptan binds selectively to 5‑HT1B and 5‑HT1D receptors on intracranial blood vessels and trigeminal nerve endings. Activation of 5‑HT1B receptors causes vasoconstriction of dilated cranial arteries, while 5‑HT1D stimulation inhibits release of pro‑inflammatory neuropeptides from trigeminal afferents, thereby interrupting the pain signaling cascade responsible for migraine. The drug’s high affinity for these receptor subtypes results in a rapid onset of action, within 30 minutes after oral administration, and its effect is limited to the cranial circulation, minimizing vascular impact.

Side Effects

Sumatriptan may cause a range of adverse reactions, which are grouped by frequency.

Common Side Effects

  • Chest discomfort or tightness
  • Tingling or numbness in fingers or face
  • Nausea or abdominal pain

Serious or Rare Side Effects

  • Coronary artery spasm or myocardial infarction
  • Serotonin syndrome, especially with other serotonergic agents
  • Allergic reactions such as rash, angioedema, or anaphylaxis

Precautions & Warnings

  • When prescribing Imigran, clinicians should consider several safety factors.
  • Cardiovascular assessment: avoid use in patients with ischemic heart disease, uncontrolled hypertension, or history of coronary artery spasm.
  • Concomitant serotonergic drugs: review use of SSRIs, SNRIs, MAO inhibitors to reduce risk of serotonin syndrome.
  • Pregnancy and lactation: prescribe only if benefit outweighs potential risk; safety data are limited.
  • Age restrictions: safety and efficacy not established in children; use is limited to adult patients.
  • Drug interactions: assess for ergot alkaloids and other vasoconstrictors before prescribing.
  • Store at ambient temperature: keep below 25 °C, retain in original packaging, protect from moisture.

Avoid Interactions

Sumatriptan can interact with several medication classes, requiring careful review.

Major Interactions (Avoid)

  • Ergot alkaloids: combined vasoconstriction can cause severe coronary spasm.
  • MAO inhibitors: increased serotonergic activity may precipitate serotonin syndrome.
  • Other triptans: additive vasoconstrictive effects raise cardiovascular risk.

Moderate Interactions (Monitor Closely)

  • SSRIs, SNRIs, or other serotonergic antidepressants: monitor for signs of serotonin syndrome.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole, erythromycin): may raise sumatriptan plasma concentrations.
  • Antihypertensive agents: sumatriptan can enhance blood pressure‑lowering effects.

Frequently Asked Questions

Imigran contains sumatriptan, which is indicated for the acute treatment of migraine attacks with or without aura in adult patients. It helps relieve headache pain and associated symptoms such as nausea, photophobia, and phonophobia when taken at the onset of an attack.

Sumatriptan is a selective agonist of serotonin 5‑HT1B and 5‑HT1D receptors. Activation of 5‑HT1B receptors constricts dilated cranial blood vessels, while 5‑HT1D stimulation blocks the release of inflammatory neuropeptides from trigeminal nerve endings, interrupting the migraine pain pathway.

The appropriate dose of Imigran is determined by the prescribing healthcare professional based on the individual’s condition, response, and tolerability. Dosing details are provided in the prescribing information and should be followed exactly as instructed by the prescriber.

Safety data for sumatriptan during pregnancy and lactation are limited. It should be used only if the potential benefit justifies the potential risk to the fetus or infant, and the decision should be made by a qualified healthcare professional in consultation with the patient.

To place an order, submit an enquiry on the Imigran product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Imigran (sumatriptan) belongs to the triptan class, which is specifically designed for acute migraine relief. Compared with non‑specific analgesics such as NSAIDs, triptans target serotonergic receptors and generally provide faster and more complete headache resolution, though they are contraindicated in certain cardiovascular conditions where alternative therapies may be preferred.

Imigran tablets should be stored at ambient temperature, below 25 °C, in their original blister pack to protect from moisture and light. Keep the medication out of reach of children and do not use after the expiration date printed on the packaging.

Imigran is taken orally as a tablet. The tablet should be swallowed whole with a glass of water, preferably at the first sign of a migraine attack. Patients must follow the dosing instructions provided by their prescriber and avoid crushing or chewing the tablet unless specifically directed.

The most serious risks include coronary artery spasm or myocardial infarction, severe hypertension, and serotonin syndrome, especially when combined with other serotonergic drugs. Patients should seek immediate medical attention if they experience chest pain, severe headache, visual changes, or signs of an allergic reaction.

Imigran is contraindicated in patients with a history of ischemic heart disease, uncontrolled hypertension, peripheral vascular disease, or known hypersensitivity to sumatriptan or any tablet component. It should also be avoided in individuals taking ergot alkaloids or monoamine oxidase inhibitors.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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