Drug lookup
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

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