This medicine is available without prescription to relieve migraine. However, you still need to take it carefully to get the best results from it.

• Keep this leaflet, you may need to read it again
• Ask your pharmacist if you need more information or advice.

• If you are allergic to any of the ingredients (see ‘What is in this medicine’) or sulphonamide antibiotics
• If you have not been diagnosed with migraine by a doctor or pharmacist
• If you are trying to prevent a migraine attack
• If you have had a heart attack, stroke or mini stroke
• If you have any of these heart or blood vessel problems:
  • Blocked blood vessels
  • Angina
  • Unusual heart rhythm
  • High blood pressure
  • Poor circulation which causes cold hands and feet
• If you have liver or kidney problems
• If you have epilepsy or are prone to fits
• If you are taking the following medicines:
  • Ergotamine or methylsergide (for migraine)
  • Other 5HT₁ agonists (‘triptans’) for migraine
• If you are taking monoamine oxidase inhibitors (for depression), or have taken them within the last 14 days
• If you have been told by your doctor that you have a rare form of migraine such as hemiplegic, basilar or ophthalmoplegic migraine
• If you have an intolerance to some sugars, unless your doctor tells you to (this medicine contains lactose)
• If you are pregnant or breastfeeding, unless your doctor tells you to
• If you are under 18 years of age

• If your headaches normally last for more than 24 hours
• If your normal pattern of migraine symptoms has changed
• If your attacks are more frequent, last longer or are more severe
• If you don’t fully recover from your attacks
• If you have four or more migraine attacks each month
• If you are over 50 years and this is the first time you are experiencing migraine symptoms
• If your symptoms include weakness on one side of your body, double vision, clumsy movements, ringing in the ears, reduced level of consciousness, fit-like movements, a recent rash with a headache
• If you are a woman who has had the menopause, or a man over 40 years
• If you have high cholesterol
• If you smoke regularly, or use Nicotine Replacement Therapy (NRT)
• If you are very overweight
• If you have diabetes or a family history of early heart disease

Driving and using machines: This medicine or your migraine may make you feel sleepy or affect your vision. You should not drive or use machines until you are sure you are not affected.

If you go into hospital or have any blood tests: If you have any blood tests, including those to check how the liver is working, tell your doctor or hospital staff that you are taking this medicine.

This medicine may also affect the results of ‘ECG’ tests, which are used to view the rhythm and working of the heart.

Before you take these tablets, make sure that you tell your pharmacist about ANY other medicines you might be using at the same time, particularly the following:

• Medicines for depression
• Products containing St John’s Wort
• The contraceptive “pill”

If you are unsure about interactions with any other medicines, talk to your pharmacist. This includes medicines prescribed by your doctor and medicine you have bought for yourself, including herbal and homeopathic remedies.

This medicine contains less than 1 mmol sodium (23mg) per tablet, that is to say essentially ‘sodium-free’.

• Red, raised, itchy skin rash, difficulty breathing, swelling of the face, neck, tongue or throat (severe allergic reactions)
• Fits
• Heart problems including chest pain and heart attack
• Poor circulation in your hands and feet which may cause pale blue skin in your fingers and toes
• Short-lived/temporary muscle spasms of the jaw affecting jaw movement

• Tingling, decreased sensitivity (particularly to touch)
• Dizziness, feeling sleepy
• Rapid and uncontrollable movement of the eyes, visual disturbance, loss of vision
• Fast, slow or irregular heart beat, changes in the way the heart works (this may show up in ‘ECG’ tests)
• High or low blood pressure, flushing
• Shortness of breath
• Feeling sick or being sick
• General feeling of heaviness, weakness or feeling very tired
• Feeling worried or afraid, shaking
• Stiff neck
• Pain in the joints, unusual muscle spasms, rigidity or stiffness
• Abdominal pain and bloody stools
• Diarrhoea
• Increased sweating
• Pressure, heaviness, tightness or pain in the chest, throat or other parts of the body, or feelings of tingling, cold or warmth – this may happen within 30 minutes of taking a tablet and should last for less than 2 hours
• Changes in the way the liver works (this may show up in blood tests)
• If you had a recent injury or if you have inflammation (like rheumatism or inflammation of the colon) you may experience pain or pain worsening at the site of injury or inflammation
• Difficulty swallowing

If you get any side effects, talk to your doctor, pharmacist or nurse. 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 or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.