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Do you suffer from migraines often? Let's learn about the Erenumab (Aimovig) vaccine

MBBS
Medically Reviewed by MBBS ✓ Medically Reviewed
📅 Updated: Jul 14, 2026 • ⏱ 5 min read • Editorial policy
Do you suffer from migraines often? Let's learn about the Erenumab (Aimovig) vaccine
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Are you someone who suffers from frequent, severe migraine headaches? Sometimes the pain is unbearable. So, today we are talking about a special injection that is given to prevent these migraines. It is called Erenumab. Let's talk about everything you need to know about this medicine in simple terms.

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What kind of medicine is Erenumab?

Simply put, Erenumab is a drug that is used to prevent you from getting migraines. It is not a medicine that you take when you have a headache, like a regular painkiller. Its main function is to reduce the frequency of migraine attacks and reduce the severity of them when they occur. It is most commonly available under the brand name Aimovig. This means that it is a preventative, or preventive treatment.

Things you need to tell your doctor before taking this medicine

It is very important to clearly explain these facts to your doctor before you start taking this medicine, as it is essential for your safety.

  • Be sure to tell your doctor if you have any allergies to Erenumab, latex, other medications, foods, preservatives, or dyes.
  • If you have high blood pressure .
  • If you are pregnant , or trying to get pregnant .
  • If you are a breastfeeding mother .

Don't hide this kind of information from your doctor. Only then will he be able to give you the most appropriate and safest treatment.

How is this vaccine used?

This is an injection under the skin. It usually comes in a form that you can give yourself at home. But don't worry, your doctor or nurse will show you exactly how to prepare the injection and how to give it.

The most important thing is to use it exactly as directed, at the right time . Don't use it more often than the doctor tells you to.

What do you do with used needles?

This is something that needs to be taken very seriously. Never throw used needles and syringes in the trash. Doing so can be a danger to others.

  • They should be placed in a special container (sharps container) provided.
  • If you don't have one, you can ask your doctor for one.

Is this suitable for children?

If you are giving this medicine to children, you should talk to a pediatrician about it, as it may require special care and different dosages.

What if I take too much medicine?

If you think you have accidentally taken too much of this medicine, immediately call the National Poisons Information Centre at the Colombo National Hospital , or go to the Emergency Department (ETU) of the nearest hospital. Don't waste time.

What to do if you miss a dose of medication?

If you miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take your next dose at the scheduled time. Never take a double dose. If you are unsure, ask your doctor.

What are the possible side effects?

Like any medicine, Erenumab can cause side effects in some people. Some of these can be serious, so it's important to be aware of them.

Side effect type and description
Side effects that should be reported to your doctor or ETU immediately
Allergic reactions: Skin rash, itching, swelling of the face, lips, or tongue, and difficulty breathing.
Chest pain
Feeling like your heart is beating fast or irregularly
Feeling faint or dizzy
Side effects that should be reported to the doctor if they persist or are bothersome
Constipation
Muscle cramps
Pain, redness, or inflammation at the injection site

This list does not include all possible side effects. If you have any concerns about anything other than these, please contact your doctor for medical advice.

How to store the medicine?

  • Keep this medicine out of the reach of children .
  • You will be given instructions on how to store it (e.g., should it be refrigerated?). Do so accordingly.
  • Do not use the medicine after the expiration date on the label.

The most important thing is that this medicine is for you only. Do not give it to anyone else who has the same symptoms as you. It could be dangerous.

💡 Take-Home Message

  • Erenumab is a vaccine given to prevent migraines, not a painkiller given when they occur.
  • Before starting this medication, tell your doctor about all your medical conditions (especially high blood pressure, allergies) and medications you are taking.
  • Follow the instructions exactly on how to get the vaccine and how to safely dispose of used needles.
  • If you experience severe allergic symptoms such as facial swelling, difficulty breathing, or chest pain , go to a hospital's Emergency Department (ETU) immediately.
  • This medicine is for you only. Never share it with others.
❓ FAQ

FAQ

Evidence-based clinical answers to common patient questions

What do you do with used needles?

This is something that needs to be taken very seriously. Never throw used needles and syringes in the trash. Doing so can be a danger to others.

  • They should be placed in a special container (sharps container) provided.
  • If you don't have one, you can ask your doctor for one.
Is this suitable for children?

If you are giving this medicine to children, you should talk to a pediatrician about it, as it may require special care and different dosages.

What if I take too much medicine?

If you think you have accidentally taken too much of this medicine, immediately call the National Poisons Information Centre at the Colombo National Hospital , or go to the Emergency Department (ETU) of the nearest hospital. Don't waste time.

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⚠️ Important: Medical articles and information on Nirogi Lanka are strictly for educational and awareness purposes and do not substitute professional medical advice, diagnosis, or treatment. Always consult a qualified physician for any medical concerns.