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Generic Name: erenumab (e REN ue mab)
Brand Names: Aimovig
Aimovig (erenumab-aooe) is used to prevent migraine. Includes Aimovig side effects, interactions and indications.
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Drug Information:
Aimovig (erenumab) is a monoclonal antibody that blocks the activation of a certain protein that can produce a migraine attack. This protein, called calcitonin gene- related peptide (CGRP), can cause blood vessels to dilate and cause inflammation and migraine headache pain. Aimovig is a prescription medicine used for the preventive treatment of migraine in adults. Aimovig may also be used for purposes not listed in this medication guide. Before you inject Aimovig, always check the label of your single-dose prefilled autoinjector or single-dose prefilled syringe to make sure you have the correct medicine and the correct dose. Learn more

Aimovig Side Effects

Aimovig Side Effects

Note: This document contains side effect information about erenumab. Some of the dosage forms listed on this page may not apply to the brand name Aimovig.

For the Consumer

Applies to erenumab: subcutaneous solution

Along with its needed effects, erenumab (the active ingredient contained in Aimovig) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Some side effects of erenumab may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

  • Bleeding, blistering, burning, coldness, discoloration of skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site

Less common

  • Constipation
  • muscle cramp or spasm

For Healthcare Professionals

Applies to erenumab: subcutaneous solution


The more commonly reported adverse reactions have included injection site reactions and constipation.


Postmarketing reports: Hypersensitivity reactions including rash, angioedema, and anaphylaxis


Common (1% to 10%): Injection site reactions

Frequency not reported: Injection site erythema, injection site pruritus, injection site pain

Injection site reactions included reports such as injection site pain and injection site erythema. Injection site reactions were reported in 6%, 5%, and 3% of patients receiving 70 mg/month, 140 mg/month, and placebo, respectively.


Common (1% to 10%): Constipation


Common (1% to 10%): Cramps, muscle spasms


Common (1% to 10%): Fatigue


Common (1% to 10%): Pruritus

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Aimovig