Imigran
Imigran injection is used to treat migraine headaches and a rare condition called cluster headaches.
Form
injektioneste, liuos
Strength
12 mg/ml
Active Ingredient
Sumatriptan succinate
Manufacturer
GlaxoSmithKline Trading Services Limited
How to Use
Dosage
The usual dose for adults aged 18-65 is one injection (6 mg).
Method
Imigran is usually injected into the thigh.
Important
Do not use more than two Imigran injections within 24 hours.
Possible Side Effects
COMMON
- •Temporary pain at the injection site.
- •Stinging, burning, redness, swelling, bruising, and bleeding at the injection site.
- •Feeling of pressure, tightness or pain in the chest, neck, or other body parts; strange feelings like numbness, tingling, or feeling hot or cold.
- •Nausea (feeling sick) or vomiting.
- •Tiredness or drowsiness.
- •Dizziness, feeling weak, hot flashes.
- •Temporary increase in blood pressure.
- •Shortness of breath.
- •Muscle pain.
RARE
- •Breast pain.
- •Changes in liver function (if you have a blood test to check your liver, tell your doctor or nurse you are using Imigran).
- •Seizures, tremors, muscle spasms, stiff neck.
- •Vision problems such as flashes of light, blurred vision, double vision, or temporary or permanent loss of vision (these can also happen during a migraine attack).
- •Heart problems, including a faster or slower heartbeat, changes in heart rhythm, chest pain (angina pectoris), or heart attack.
- •Pale or bluish skin, and/or cold- or stress-induced pain in fingers, toes, ears, nose, or jaw (Raynaud's syndrome).
- •Feeling faint (blood pressure may drop).
- •Pain in the lower left abdomen and bloody diarrhea (ischemic colitis).
- •Diarrhea.
- •Pain or worsening pain at the site of a recent injury or inflammation (like rheumatism or bowel inflammation).
- •Joint pain.
- •Anxiety.
- •Difficulty swallowing.
- •Excessive sweating.
Important Warnings
- Do not use if you are allergic to sumatriptan or any other ingredient in this medicine.
- Do not use if you have heart problems like chest pain (angina), coronary artery disease, or if you have had a heart attack.
- Do not use if you have poor circulation in your legs, causing cramp-like pain when walking.
- Do not use if you have had a stroke or a mini-stroke (TIA).
- Do not use if you have uncontrolled high blood pressure or severe liver disease.
Show 9 more warnings
- Do not use if you are taking other migraine medicines containing ergotamine or other triptans, or if you have taken MAO inhibitors (for depression) in the last two weeks.
- Tell your doctor if you use certain antidepressants (SSRIs or SNRIs), as using them with Imigran may cause serotonin syndrome.
- Using Imigran too often can make your headaches worse. Talk to your doctor if this happens.
- If you feel chest pain or tightness after using Imigran, seek medical help immediately, especially if it doesn't go away or gets worse.
- The syringe needle shield may contain latex, which can cause serious allergic reactions. Tell your doctor if you are allergic to latex.
- Imigran injection is not recommended for children, teenagers under 18, or adults over 65 years old.
- If you are pregnant, breastfeeding, or planning a baby, talk to your doctor before using this medicine. Do not breastfeed for 12 hours after using Imigran.
- This medicine or your migraine symptoms can make you feel sleepy. If you feel sleepy, do not drive or use machines.
- Immediately seek medical help if you experience symptoms of an allergic reaction like rash, hives, wheezing, swollen eyelids, face or lips, or fainting after taking Imigran.
Use in Elderly Patients
Category C
Suitable for older adults, with specific precautions. Consider adverse effects on the heart and the cardiovascular system. (updated 14.4.2025)