HomeDrug ClassesPCSK9 Inhibitors

PCSK9 Inhibitors: Uses, Common Brands, and Safety Info

"PCSK9 Inhibitors: Lower LDL cholesterol levels by blocking PCSK9 protein. Common brands, Repatha and Praluent. Generally safe with possible side effects. Consult healthcare provider for individualized treatment."


PCSK9 inhibitors are a class of drugs that are primarily used to lower low-density lipoprotein (LDL) cholesterol levels in individuals with hypercholesterolemia, a condition characterized by high levels of cholesterol in the blood. These inhibitors work by blocking the action of PCSK9, a protein that reduces the number of receptors responsible for clearing LDL cholesterol from the blood. By inhibiting PCSK9, these drugs increase the availability of LDL receptors, allowing for more efficient removal of LDL cholesterol from the bloodstream.

Common Brands

Two commonly-prescribed PCSK9 inhibitors are Repatha (evolocumab) and Praluent (alirocumab). These drugs are available in injectable forms and are typically administered at regular intervals.


PCSK9 inhibitors are generally considered safe and well-tolerated, but like any medication, they may have potential side effects. Common side effects include injection site reactions, such as redness, pain, or swelling. Some individuals may also experience flu-like symptoms, including fever, muscle aches, and fatigue. It is important to discuss any concerns with a healthcare provider. It is worth noting that PCSK9 inhibitors are typically prescribed for individuals who have not achieved adequate cholesterol control through lifestyle modifications and other cholesterol-lowering medications, such as statins. As with any medical treatment, the decision to prescribe PCSK9 inhibitors should be made in consultation with a healthcare professional, taking into account the individual's medical history, current medications, and treatment goals.


PCSK9 inhibitors are a valuable addition to the treatment options available for individuals with hypercholesterolemia. By blocking the action of PCSK9, these drugs can help lower LDL cholesterol levels in those who have not achieved sufficient control through other means. It is important to remember that PCSK9 inhibitors should be used as part of a comprehensive treatment plan, which may include lifestyle changes and other medications. If you have any concerns or questions about PCSK9 inhibitors, it is recommended to consult a healthcare professional for further guidance.

List of PCSK9 Inhibitors