The most common side effects of Repatha include:
runny nose
sore throat
symptoms of the common cold, flu or flu-like symptoms
back pain
high blood sugar levels (diabetes)
redness, pain, or bruising at the injection site
Tell your clinician if you have any side effect that bothers you or that doesn’t go away: message your clinician through the chat on your Dashboard and reply to the most recent message about your prescription.
Note: Where a line below says “right away”, don’t wait for a chat reply. Get medical help. In an emergency, call 911.
These aren’t all the possible side effects of Repatha. For more information, read the Repatha Patient Information or ask your pharmacist. You can also report side effects to the FDA at 1-800-FDA-1088.
Serious allergic reactions
Some people taking Repatha have had serious allergic reactions.
Stop taking Repatha and contact your clinician or seek emergency medical help right away if you have any of these symptoms:
trouble breathing or swallowing
raised bumps (hives)
rash, or itching
swelling of the face, lips, tongue, throat or arms
Note: Some Repatha SureClick autoinjector cartons contain dry natural rubber (a derivative of latex) in the needle cover, which may cause an allergic reaction if you’re sensitive to latex. The carton and the Instructions for Use say whether yours contains dry natural rubber. If you’re sensitive to latex, tell your clinician.
Who to contact
For any side effect, anything about how you feel on your medication, a missed dose, or a dose change, message your clinician through the chat on your Dashboard. Reply to the most recent message about your prescription.
In an emergency, call 911. If you’re having thoughts of harming yourself, call or text 988.
Sources
This article follows the manufacturer’s Patient Information for Repatha. If you’d like to read it yourself:
Repatha Patient Information, Amgen, revised October 2026
Repatha Prescribing Information, Amgen, revised October 2026
GenMeds checked this article against these documents on October 27, 2026. Your pharmacy’s package insert is always the final word for the medication you were dispensed.