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Written By
P. Thirumal Reddy
B. Pharm

Reviewed By
Dr. Tejashwin Adiga
MBBS
Last updated : 31 Mar 2026 | 09:30 AM (IST)

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Quick Summary
ERENUMAB
Last updated on 31 Mar 2026 | 09:30 AM (IST)
ERENUMAB
Background and Date of approval ERENUMAB
Erenumab was initially approved by the United States Food and Drug Administration (FDA) on May 17, 2018, belongs to the class of monoclonal antibodies. This medication is used for the preventive treatment of migraines in adults.
Uses of ERENUMAB
Erenumab is used as a preventive treatment for individuals who experience frequent migraine attacks.Â
How is ERENUMAB administered?
Erenumab is administered as a subcutaneous injection. The medicine will be prescribed to you by a healthcare professional in a hospital setting. Erenumab is administered as a subcutaneous injection. It is injected under the skin, typically in the abdomen or thigh area, once a month. This route of administration allows the medication to be absorbed into the bloodstream and exert its preventive effects on migraines over time. It's important to follow the proper injection technique and guidelines your healthcare provider provides to ensure the medication is administered correctly and safely. It is available in the dose of 70 mg.Â
Side Effects of ERENUMAB
Erenumab may lead to a range of side effects, with common ones encompassing injection site reactions, constipation, muscle spasms, fatigue, and nausea. While severe allergic reactions are rare, they require immediate medical attention if experienced. Discussing any side effects with a healthcare provider and adhering to proper administration guidelines is important. Individual responses can vary, and careful monitoring of potential reactions is advised to ensure safe and effective migraine prevention.
Warnings
It is not recommended to use this medicine if you are allergic to the active compound erenumab and its compounds. If you have a history of hypersensitivity reactions to biologic agents or other injectable treatments, you should discuss this with your healthcare provider before starting erenumab. It is not recommended to use in childrens and adolescents under 18 years old. The use in elderly individuals needs close monitoring. Erenumab can cause serious allergic reactions, including anaphylaxis. This medication may lead to constipation. It might affect blood pressure. This medication may affect the immune response. Abrupt discontinuation of this medication may lead to an increase in migraine frequency.
Precautions
Individuals with severe liver or kidney impairment may require dosage adjustments or careful monitoring when using this medication. It may have an effect on your blood pressure. Individuals with severe cardiovascular illnesses, such as uncontrolled hypertension or a history of heart attack, may need to monitor or change their treatment plan while using this medicine. If you develop serious constipation of new hypertension it is advised to see a healthcare professional. Pregnant women and nursing mothers are required to get their consultation prior to taking erenumab. It is advised to inform your healthcare provider about all the medicines you are taking including herbal, vitamin supplements and over the counter medicines before starting the treatment.
Proper injection technique is important to prevent injection site reactions. Ensure you have been properly trained on how to self-administer erenumab.
Word of Advice
You are advised to be cautious with overuse of pain-relieving medications, as frequent use of certain medications (e.g., opioids, triptans, NSAIDs) can lead to medication-overuse headaches. You should not skip meals for a longer time since low blood sugar levels can cause migraines in some cases. You are advised to eat foods rich in magnesium, omega 3 fatty acids and hydrating foods to cope with migraine pain.Use a migraine journal or smartphone app to record your migraine episodes, along with their causes, symptoms, and any trends that may emerge. Finding trends and triggers can help you better manage your disease.You should also maintain a quality sleep around 7-9 hours and proper hydration with 8-10 glasses of water per day to keep away migraines.Â
Remember to attend all scheduled appointments and follow-up visits with your healthcare provider to ensure your treatment is effective and any side effects are managed appropriately. With proper monitoring and management, erenumab can be effective in migraine treatments.Â
Frequently Asked Questions
Q1.
How long does erenumab treatment last?
Erenumab is typically administered as a monthly injection. Your healthcare provider will determine the appropriate duration of treatment based on your response and needs.
Q2.
Who should receive treatment with erenumab?
Adults who have four or more migraine days a month and have not responded well to or tolerated other preventative drugs may find erenumab to be a good option. To find out if erenumab is right for you, it's crucial to talk to your doctor about your migraine history and available treatments.
Q3.
Can erenumab cause weight gain?
Weight gain is not a commonly reported side effect of erenumab. However, individual responses to medications can vary. Consult your healthcare provider if you have concerns.
Q4.
Is erenumab suitable for all types of migraines?
Erenumab is primarily indicated for the prevention of migraine attacks. Your healthcare provider will assess the type and frequency of your migraines to determine if erenumab is appropriate for you.
Q5.
What are erenumab's typical side effects?
Constipation, muscle cramps, and injection site reactions (such as redness, discomfort, and swelling) are common erenumab side effects. Although uncommon, serious allergic reactions can occur. Notifying your healthcare provider of any adverse effects as soon as possible is crucial.
Q6.
Can side effects worsen with higher erenumab doses?
Higher doses of erenumab are not typically associated with worsened side effects. Your healthcare provider will determine the appropriate dose based on your condition.
References
- Amgen Inc. , United States Food and Drug Administration (USFDA), [Revised on February 2021], [Accessed on March 2024], https://www.accessdata.fda.gov/drugsatfda_docs/label/2021/761077s009lbl.pdf
- Novartis Pharmaceuticals UK Ltd, European Medicines Compendium (emc), [Revised on August 2023], [Accessed on March 2024], https://www.medicines.org.uk/emc/files/pil.10297.pdf
- Anna P.Andreou et al; The role of erenumab in the treatment of migraine; Therapeutic Advances in Neurological Disorders, [Published on 27/05/2020] ,[Accessed on 23-04-2024], https://www.ncbi.nlm.nih.gov/pubmed/32523630Â
Disclaimer
The drug information on this page is not a substitute for medical advice, it is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you can receive this treatment.






