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 Triptan (5-HT1B/1D receptor agonist) presented as a tablet for oral use. It is indicated for the acute treatment of migraine attacks in adults, providing rapid relief of headache and associated symptoms.

GNH India supplies Imigran as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution. Customers benefit from consistent product availability and regulatory support across multiple regions.

Manufacturer / TM Owner

Glaxosmithkline Trading Services Limited

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Indications & Clinical Uses

Imigran (sumatriptan) belongs to the triptan class and is used to treat acute migraine and related headache disorders.

  • Migraine with aura: provides rapid relief of headache, nausea, and photophobia.
  • Migraine without aura: reduces pain intensity and associated symptoms within two hours.
  • Acute cluster headache attacks: alleviates severe unilateral head pain during an episode.

How It Works

  • Sumatriptan acts as a selective agonist at serotonin 5‑HT1B and 5‑HT1D receptors located on cranial blood vessels and trigeminal nerve endings. Activation of 5‑HT1B receptors induces vasoconstriction of intracranial arteries, while 5‑HT1D stimulation inhibits release of pro‑inflammatory neuropeptides, thereby interrupting pain transmission within the trigeminovascular pathway. The combined vascular and neuronal effects lead to the swift abatement of migraine headache.

Side Effects

Sumatriptan may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Chest discomfort or tightness
  • Tingling or numbness in fingers or face
  • Dizziness or light‑headedness
  • Nausea or dry mouth

Serious or Rare Side Effects

  • Coronary artery spasm leading to chest pain
  • Severe allergic reaction such as anaphylaxis
  • Serotonin syndrome when combined with other serotonergic agents
  • Hypertension or myocardial infarction

Precautions & Warnings

Before prescribing Imigran, clinicians should evaluate several safety considerations.

  • Cardiovascular assessment: screen for history of coronary artery disease, uncontrolled hypertension, or cerebrovascular disorders.
  • Concomitant serotonergic drugs: avoid use with MAO inhibitors or other triptans to reduce serotonin syndrome risk.
  • Ergotamine derivatives: do not combine with ergotamine or dihydroergotamine due to additive vasoconstriction.
  • Hepatic impairment: use with caution in patients with moderate to severe liver dysfunction.
  • Pregnancy and lactation: assess risk‑benefit; use only if clearly needed.
  • Store at ambient temperature: keep below 25 °C in the original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Sumatriptan can interact with several medicines, altering its safety or effectiveness.

Major Interactions (Avoid)

  • MAO inhibitors (e.g., phenelzine, tranylcypromine): increase risk of serotonin syndrome.
  • Other triptans or ergotamine derivatives: additive vasoconstriction may cause serious cardiovascular events.
  • SSRIs, SNRIs, or other serotonergic agents: heightened potential for serotonin syndrome.
  • Certain antihypertensives (e.g., ergot alkaloids): may potentiate vasoconstrictive effects.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inhibitors (e.g., ketoconazole, erythromycin): may raise sumatriptan plasma levels.
  • Antihypertensive beta‑blockers: may affect blood pressure response.
  • Oral contraceptives: may slightly increase migraine frequency, requiring monitoring.

Frequently Asked Questions

Imigran contains sumatriptan, a triptan medication indicated for the acute treatment of migraine attacks, including both migraine with aura and migraine without aura, as well as for the relief of acute cluster headache episodes.

Sumatriptan selectively stimulates serotonin 5‑HT1B and 5‑HT1D receptors on cranial blood vessels and trigeminal nerve endings. This causes vasoconstriction of intracranial arteries and blocks the release of inflammatory neuropeptides, interrupting the pain pathway that generates migraine.

The appropriate dose of Imigran is determined by the prescribing clinician based on the patient’s age, severity of migraine, prior response to therapy, and any relevant medical conditions. Dosage instructions are individualized and should follow the prescriber’s order.

Safety data for sumatriptan in pregnancy and lactation are limited. It should only be used when the potential benefit justifies any potential risk to the fetus or infant, and the decision must be made by a qualified health professional.

To order Imigran, submit an enquiry on the 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 belongs to the triptan class, which provides faster and more migraine‑specific relief than non‑specific analgesics such as NSAIDs. Compared with other triptans, sumatriptan has a well‑established efficacy profile, though individual response may vary, and some newer triptans may offer different dosing options.

Imigran tablets should be stored at ambient temperature, preferably below 25 °C, in their original packaging. Protect the product from moisture, excessive heat and direct sunlight to maintain potency throughout its shelf life.

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 should follow the prescriber’s instructions regarding timing and any repeat dosing.

The most serious risks include coronary artery spasm, myocardial infarction, severe allergic reactions such as anaphylaxis, and serotonin syndrome when combined with other serotonergic drugs. Patients should seek immediate medical attention if they experience chest pain, severe allergic symptoms, or signs of serotonin excess.

Imigran is contraindicated in patients with known hypersensitivity to sumatriptan, a history of ischemic heart disease, uncontrolled hypertension, severe hepatic impairment, or in those who have used ergotamine or another triptan within 24 hours. It should also be avoided in patients taking MAO inhibitors.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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