Sumatriptan belongs to the triptan class of medicines. It works by acting on specific serotonin receptors in the brain to relieve migraine and cluster headache symptoms.

• Narrows widened blood vessels in the brain
• Reduces pain signalling associated with migraine attacks
• Relieves headache pain and associated symptoms
• Provides rapid onset of action due to injectable administration

Sumatriptan injection is intended for use at the first signs of an attack for optimal effectiveness.

• Active ingredient: Sumatriptan
• Pharmaceutical form: Solution for injection (pre-filled syringe or auto-injector)
• Administration route: Subcutaneous injection
• Prescription status: Prescription-only medicine (Rx)

Indications

Sumatriptan injection is indicated for the acute treatment of migraine attacks, with or without aura, and for the acute treatment of cluster headache attacks, as diagnosed by a healthcare professional.

Dosage & use

• Administer at the onset of migraine or cluster headache symptoms
• If symptoms recur, a second injection may be given after a prescribed interval
• Do not exceed the maximum daily dose recommended by your prescriber
• Use only as instructed and trained

Warnings

• Not suitable for people with certain heart, blood vessel, or cerebrovascular conditions
• Do not use in combination with other triptans or ergot-containing medicines within the recommended timeframe
• Possible side effects include injection site reactions, flushing, chest tightness, dizziness, or nausea
• Seek medical advice immediately if severe chest pain or unusual symptoms occur

What is sumatriptan injection used for?
Sumatriptan injection is used for the rapid treatment of migraine and cluster headache attacks.

How fast does sumatriptan injection work?
Many patients experience relief within 10–15 minutes, making it one of the fastest-acting migraine treatments.

Can I use sumatriptan injection if tablets do not work?
Yes. The injectable form is often prescribed when oral medicines are ineffective or cannot be tolerated.

Can I use sumatriptan injection every day?
No. It should only be used for acute attacks and not for daily prevention.

Can sumatriptan injection be used with other migraine medicines?
Some combinations are not allowed. Always follow your prescriber’s advice regarding other migraine treatments.

Is sumatriptan injection suitable for cluster headaches?
Yes. It is one of the standard acute treatments for cluster headache attacks.