Read the Patient Information Leaflet and Instructions for Use provided by your pharmacist before you start using erenumab and each time you get a refill. If you have any questions, consult your doctor or pharmacist.

Before use, take this medication out of the refrigerator. Remove the syringe/autoinjector from the package and let it warm up to room temperature for at least 30 minutes. Do not heat this medication any other way, such as by heating in the microwave or placing in hot water. Do not leave in direct sunlight. Do not shake this medication. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid.

Before injecting each dose, clean the injection site with rubbing alcohol. Change the injection site each time to lessen injury under the skin. Do not inject into areas of skin that are tender, bruised, red, or hard. Avoid injecting into skin areas with scars or stretch marks.

Inject this medication under the skin of the thigh, abdomen, or upper arm as directed by your doctor, usually 1 time each month. The dosage is based on your medical condition and response to treatment.

Use this medication regularly to get the most benefit from it. To help you remember, mark the days on the calendar when you need to receive the medication.

Learn how to store and discard medical supplies safely.

Tell your doctor if your migraines happen more often or get worse.