What side effects does Repatha (evolocumab) cause?
Repatha (evolocumab) is a PCSK9 inhibitor used to lower LDL (“bad”) cholesterol. Commonly reported side effects include injection-site reactions such as redness, pain, swelling, or itching where the shot is given. Some patients also report flu-like symptoms (for example, feeling tired, muscle aches, or headache) after injections.
What serious side effects should patients watch for?
Serious reactions are less common, but patients should seek medical care if they develop signs of a severe allergic reaction. Symptoms can include trouble breathing, swelling of the face or throat, widespread rash, or severe dizziness.
How do Repatha side effects compare with other cholesterol-lowering drugs?
Compared with statins, Repatha is not typically associated with muscle-related side effects or liver enzyme elevations in the way statins can be. Instead, the most frequent issues are related to how the medicine is administered (injection-site reactions) and general hypersensitivity/immune-type reactions.
Are there risks based on how Repatha is taken (every 2 weeks vs monthly)?
Repatha’s side effects are generally tied to being injected rather than to a specific dosing schedule. Injection-site reactions can occur regardless of whether dosing is every two weeks or monthly, so patients should pay attention to local skin reactions after each dose.
Who is most likely to have side effects?
Patients with a history of allergies or prior reactions to injectable medicines may be more likely to experience allergic-type side effects. Anyone who notices repeated or worsening injection-site reactions should talk with their clinician, as that can signal irritation or sensitivity to the injection.
What should I do if I get an injection-site reaction?
Mild injection-site reactions often improve without stopping Repatha. Patients can ask their clinician about steps like rotating injection sites and using proper injection technique. Stop and get urgent help for severe swelling, rash, or breathing problems.
Sources
No sources were provided in the prompt. If you share the specific Repatha prescribing information excerpt you want used (or the link you’re working from), I can cite the exact adverse-event rates and wording.