Erenumab is used to prevent migraine headaches in those who have at least 4 migraine days in a month.
If you or your caregiver had been given the proper training on the preparation and injection techniques of this medicine, you or your caregiver may do the administration.
Erenumab is to be injected subcutaneously (into the fatty layer under the skin, usually in the thigh, upper arm or abdomen area).
Use this medicine exactly as directed by your doctor or according to the instructions on the label. Do not use more or less than instructed by your doctor.
Remember to rotate the injection sites. Do not inject into the same area all the time. New injection sites should be at least 1.5 inches away from the previous injection site. Do not inject near the navel (belly button).
This medicine is available as a pre-filled auto-injector/pen or syringe. Make sure you know how to use the specific device you have been given. If you have problems or do not understand the instructions, ask your doctor or pharmacist.
Inject the missed dose as soon as you remember and inform your doctor immediately. Your doctor will tell you when you should schedule your next dose.
DO NOT double a dose under any circumstances.
Inform your doctor if you have heart disease.
Let your doctor know if you are pregnant or breastfeeding.
Keep your appointments with your doctor. Your doctor needs to monitor your condition and check your response to the medication regularly.
Erenumab may cause any of the following side effects: constipation, muscle cramps, and pain, redness or itching at the injection site.
If you develop rashes, breathlessness, swollen mouth or eyes, stop using this medicine and inform your doctor immediately. These could be signs of an allergic reaction.
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
Store in the refrigerator, between 2-8°C. Do not allow to freeze. If frozen, this medicine will become ineffective and should not be used.
If removed from the refrigerator, the injection can be stored at room temperature not exceeding 30°C and can only be used within 7-14 days. Throw away any injection that has been left at room temperature for a longer period.
Protect from light. Do not shake.
Medicines must not be used past the expiry date.