Sumatriptan (Imigran) Side Effects (Nuksanat)
Sumatriptan (Imigran) is generally effective for acute migraine when taken at the correct dose. However, like all medicines, it can cause side effects in some patients. Many side effects are mild and resolve on their own; some require urgent medical attention.
Common Side Effects (Aam Nuksanat)
- Chest tightness or pressure — very common; usually non-cardiac (skeletal muscle or oesophageal origin), but must be evaluated urgently on first occurrence
- Flushing (garam mahsoos hona, chehra laal hona)
- Tingling or numbness (jhunjhunahat) in limbs, face, or jaw
- Heaviness in limbs or jaw
- Dizziness (chakkar aana)
- Drowsiness (neend aana, thakan)
- Nausea
These side effects are generally mild. If they persist or worsen, inform your doctor.
Serious Side Effects (Sanjeedah Nuksanat)
- Coronary vasospasm / myocardial ischaemia — see a doctor immediately (rare; in patients with undiagnosed cardiac disease)
- Stroke — immediate emergency (rare)
- Serotonin syndrome (especially with MAO inhibitors, SSRIs, SNRIs) — immediate emergency; symptoms: agitation, rapid heartbeat, fever, muscle rigidity
- Hypertensive crisis — see a doctor immediately
When to See a Doctor (Kab Doctor Se Milna Zaroori Hai)
- Chest pain or breathlessness occurring for the first time — emergency evaluation required
- "Worst headache of your life" (thunderclap headache) — subarachnoid haemorrhage must be excluded; immediate emergency
- Stroke symptoms: weakness, speech difficulty, facial drooping — immediate emergency
- Signs of serotonin syndrome (agitation, fever, muscle stiffness) — especially if taking SSRIs/MAO inhibitors
- Headache becoming daily or more frequent with triptan use — medication-overuse headache
Warnings and Precautions (Ihtiyat)
- Sumatriptan is CONTRAINDICATED in cardiac patients (CAD, post-MI, stroke history)
- CONTRAINDICATED with MAO inhibitors
- Do not take with ergotamine or dihydroergotamine, or within 6 hours of either
Side Effects Summary Table
| Type | Side Effect | Action |
|---|---|---|
| Common | Chest tightness/pressure | Monitor; evaluate urgently if first time |
| Common | Flushing, tingling, heaviness | Monitor / inform doctor if persists |
| Common | Dizziness, drowsiness | Monitor; avoid driving |
| Common | Nausea | Monitor / inform doctor |
| Serious | Coronary vasospasm/ischaemia | Immediate emergency |
| Serious | Serotonin syndrome | Immediate emergency |
| Serious | Stroke | Immediate emergency |
Reporting Side Effects
If you notice any unexpected side effect, report it on the DRAP pharmacovigilance portal: https://www.dra.gov.pk/pharmacovigilance
The information in this guide is for educational purposes only. If you notice any side effect, contact your doctor or pharmacist.