Note: This document contains side effect information about fremanezumab. Some dosage forms listed on this page may not apply to the brand name Ajovy.
Applies to fremanezumab: subcutaneous solution.
Serious side effects of Ajovy
Along with its needed effects, fremanezumab (the active ingredient contained in Ajovy) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking fremanezumab:
More common
- Fast heartbeat
- fever
- hives, itching, skin rash
- hoarseness
- irritation
- joint pain, stiffness, or swelling
- redness of the skin
- swelling of the eyelids, face, lips, hands, or feet
- tightness in the chest
- troubled breathing or swallowing
Other side effects of Ajovy
Some side effects of fremanezumab 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
For Healthcare Professionals
Applies to fremanezumab: subcutaneous solution.
General
The most commonly reported adverse reaction during clinical trials was injection site reactions.[Ref]
Local
Very common (10% or more): Injection site reactions (up to 45%)[Ref]
Injection site reactions included injection site pain, induration, erythema, and pruritus.[Ref]
Hypersensitivity
Uncommon (0.1% to 1%): Hypersensitivity reactions
Postmarketing reports: Anaphylaxis, angioedema
Immunologic
Common (1% to 10%): Anti-Drug-Antibodies[Ref]
