Drug reference
Erenumab
Monoclonal Antibody · Migraine Prophylaxis
Also known as Aimovig
Monoclonal AntibodyMigraine Prophylaxis
CDSCO approvedSchedule H
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
Manufacturer advises avoid—limited information available.
FDA category + note
Mechanism
Erenumab is an anti-CGRP (Calcitonin Gene-Related Peptide) agent. It works by blocking the activity of CGRP, a neuropeptide involved in nociceptive transmission and the pathophysiology of migraine. By inhibiting CGRP signaling, erenumab helps to prevent migraine attacks.
Indications
Prophylaxis of migraine in adults who have at least four migraine days per month and in whom at least three prior prophylactic treatments have failed
Dosing
- Adult
- Initially 70 mg every 4 weeks; increased if necessary to 140 mg every 4 weeks. Consider discontinuing if no response after 3 months of treatment.
- Max dose
- 140 mg every 4 weeks
Side effects
Common
ConstipationMuscle spasmsSkin reactions
Serious
- Oedema
- Swelling
Pregnancy & lactation
Pregnancy
Manufacturer advises avoid—limited information available.
Lactation
Manufacturer advises avoid during first few days after birth—possible risk from transfer of antibodies to infant. After this time, use during breastfeeding only if clinically needed.
Related guidelines
Migraine — preventive therapy
AAN · Neurology · 2015
Venous thromboembolism prophylaxis
ASH · Haematology · 2018
Infective endocarditis prevention
NICE · Cardiology / Dentistry · 2008
Infective endocarditis prevention
AHA · Cardiology / Dentistry · 2007
Functional (psychogenic non-epileptic) seizures
AAN · Neurology · 2026
Other Monoclonal Antibody drugs
Ask House about Erenumab
Continue into a citation-backed clinical answer with the drug context already attached.
Sources: Katzung, BNF·Verified: 2026-05-10 · House clinical team