About galcanezumab
Calcitonin gene-related peptide antagonist
Used for
- Prevention of migraine in adults
- Treatment of episodic cluster headache in adults
Usual adult dose
Migraine: 240 mg once, then 120 mg monthly. Cluster headache: 300 mg at onset, then monthly during the cluster period.
Common side effects
- Injection-site pain, redness, or itching
- Constipation
- Dizziness
Important warnings
- Serious allergic reactions can occur, sometimes delayed.
- Seek urgent care for trouble breathing or swelling of the face or throat.
- Tell clinicians about new or worsening constipation.
Pregnancy
Human pregnancy data are limited; effects on an unborn baby are unknown.
Breastfeeding
It is unknown whether galcanezumab passes into breast milk; discuss risks with a clinician.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.