


Ask a doctor about a prescription for IMIGRAN 20 mg NASAL SPRAY SOLUTION
Package Leaflet: Information for the User
Imigran 20 mg Nasal Spray Solution
Sumatriptan
Read all of this leaflet carefully before you start using this medicine because it contains important information for you.
Contents of the pack
Each Imigran 20 mg nasal spray contains a single doseof sumatriptan, which belongs to a group of medicines called triptans (also known as 5-HT1receptor agonists).
Imigran 20 mg is used to treat migraine headaches.
The symptoms of migraine can be caused by temporary widening of the blood vessels in the head. It is thought that Imigran 20 mg works by reversing this widening of the blood vessels. This helps to remove the headache and relieve other symptoms of migraine attacks, such as nausea and vomiting and sensitivity to light and sound.
Do not use Imigran 20 mg
If any of these apply to you:
Tell your doctor, and do not use Imigran 20 mg.
Be especially careful with Imigran 20 mg
Tell your doctor or pharmacist before you start using Imigran 20 mg.
If you have any extra risk factors
On very rare occasions, people have developed serious heart problems after using Imigran 20 mg, even though they had no signs of heart disease before. If any of the above points apply to you, it may mean that you have a greater risk of developing heart disease, so:
Tell your doctor so that they can check your heart functionbefore they prescribe Imigran 20 mg for you.
If you have a history of fits (seizures)
Or if you have other conditions that may make you more likely to have fits –for example, a head injury or alcoholism.
Tell your doctor so that they can monitor you more closely.
If you have liver or kidney disease
Tell your doctor so that they can monitor you more closely.
If you are allergic to an antibiotic called sulfonamides
If this is the case, you may also be allergic to Imigran 20 mg.If you know you are allergic to antibiotics but are not sure if it is a sulfonamide:
Tell your doctor or pharmacist before you use Imigran 20 mg.
If you are taking antidepressants called SSRIs (selective serotonin reuptake inhibitors) or SNRIs (serotonin and noradrenaline reuptake inhibitors)
Tell your doctor or pharmacist before you use Imigran 20 mg.See also Other medicines and Imigran 20 mgbelow.
If you use Imigran 20 mg frequently
Using Imigran 20 mg too often may make your headaches worse.
Tell your doctor if this happens to you.Your doctor may recommend that you stop using Imigran 20 mg.
If you feel pain or tightness in your chest after using Imigran 20 mg
These effects may be intense but usually pass quickly. If they do not pass quickly or become more severe:
Get medical help immediately.See section 4 of this leaflet for more information on these possible side effects.
Other medicines and Imigran 20 mg
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.This includes any herbal products or medicines you have bought without a prescription.
Some medicines must not be taken with Imigran 20 mg and others may cause adverse effects if taken with Imigran 20 mg. Tell your doctor if you are taking any of the following medicines:
Pregnancy and breast-feeding
Tell your doctor or pharmacist before using any medicine.
Driving and using machines
Migraine symptoms or the medicine may cause you to feel drowsy. If this happens, do not drive or use machines.
Only use Imigran 20 mg after your migraine headache has started.
Do not use Imigran 20 mg to prevent a migraine attack.
Follow the instructions for administration of this medicine exactly as told by your doctor. If you are not sure, ask your doctor or pharmacist again.
There is a step-by-step guideto using the nasal spray at the end of the leaflet (see section 6).
How much to use
Adults aged 18 and over
For some people, a 10 mg spray into one nostril is sufficient.
Do not use more than two sprays in 24 hours.
Adolescents aged 12 to 17 years
Children under 12 years
Elderly (over 65 years of age)
When to use Imigran 20 mg
If your symptoms come back
If the first spray has no effect
If Imigran 20 mg does not give you relief:
Talk to your doctor or pharmacist for advice.
If you use more Imigran 20 mg than you should
Using too much Imigran 20 mg can make you ill. If you have used more than two sprays in 24 hours:
Contact your doctor for advice.
In case of overdose, contact your doctor or pharmacist or call the National Poison Information Service on 111 immediately, stating the name of the medicine and the amount you have taken.
If you have any further questions on the use of this product, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Some of these symptoms may be caused by the migraine itself.
Side effects reported in adults have also been observed in adolescents. These include very rare cases of heart attacks.
Allergic reactions: get medical help immediately
The following side effects have occurred in a very small number of people, and their exact frequency is unknown.
If you notice any of these symptoms soon after using Imigran 20 mg:
Do not use it again.Contact your doctor immediately.
Very common side effects
(affect more than 1 in 10people)
Common side effects
(affect up to 1 in 10people)
If these effects continue or get worse(especially chest pain):
Get medical help urgently.In a small number of people, these symptoms can be caused by heart attacks.
Other common side effects include:
Very rare side effects
(affect up to 1 in 10,000people)
Some patients may experience any of the following side effects, but the frequency is unknown
Reporting of side effects:
If you get any side effects, talk to your doctor or pharmacist.This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at www.mhra.gov.uk/yellowcard. By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Keep this medicine in the outer carton in order to protect from light.
Do not store above 30°C.
Do not freeze.
Do not use this medicine after the expiry date which is stated on the carton after EXP.The expiry date refers to the last day of that month.
Medicines should not be disposed of via wastewater or household waste.Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.
Composition of Imigran 20 mg
The active ingredient issumatriptan (20 mg).
The other components arepotassium dihydrogen phosphate, anhydrous sodium phosphate dibasic, sulfuric acid, sodium hydroxide, and purified water.
Appearance of the Product and Container Contents
This medication comes in a preloaded spray device and contains sumatriptan in 0.1 ml of colored yellow solution.
Imigran 20 mg is packaged in a box containing individually sealed nasal spray devices in blisters. They are available in packs of 1, 2, or 6 preloaded nasal spray devices, although not all pack sizes are available in your country. Each spray device contains a dose of Imigran 20 mg.
Only some pack sizes may be marketed.
Marketing Authorization Holder and Manufacturer
Marketing Authorization Holder:
GlaxoSmithKline, S.A.
P.T.M. C/ Severo Ochoa, 2
28760 Tres Cantos (Madrid)
Tel: +34 900 202 700
Manufacturer:
GlaxoSmithKline Manufacturing S.p.A.
Strada Provinciale Asolana, 90
43056 San Polo di Torrile
Parma
Italy
This medication is authorized in the Member States of the European Economic Area and in the United Kingdom (Northern Ireland) under the following names:
Date of the Last Revision of this Leaflet:October 2021.
Follow the Imigran 20 mg Guide Step by Step
Do not open the blister until you are about to use the spray device.Each spray device is sealed in a blister to keep it safe and clean. If you carry a spray device without the blister, or in an open blister, it may not work properly when you need it.
Each spray device contains only one dose of Imigran 20 mg.
Do not press the plunger too soon or you will lose the dose.
Imigran 20 mg consists of three parts:





How to Use the Nasal Spray Device
Do not press the blue plunger yet.


Breathe out gently through your mouth.
Keep your head upright and close your mouth.

While breathing in:
Press the blue plunger firmly with your thumb.
The plunger may be a bit stuck, and you may hear a click. Hold your breath while inhaling (Figure C).
Keep your head upright for 10-20 seconds,breathing gently in through your nose and out through your mouth. This helps the medication stay in your nose.
You may notice that your nose feels moist inside and you may taste a slight characteristic taste after using the nasal spray device – this is normal and will pass soon.
Detailed and updated information about this medication is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.gob.es/
The average price of IMIGRAN 20 mg NASAL SPRAY SOLUTION in October, 2025 is around 21.4 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.
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