Are there any dangers of taking Repatha?

A serious danger of taking Repatha (evolocumab) is a possibly life-threatening allergic reaction to the active ingredient. Also tell your doctor if you are allergic to rubber or latex. Other dangers of taking Repatha, which could be serious in some people, include high blood sugar levels (diabetes), respiratory tract infections, urinary tract infections (UTI), high blood pressure, and influenza (flu).

Do not use Repatha if you or your child are allergic to evolocumab or any of the inactive ingredients in the injection.

Not all forms of Repatha injection are latex-free, so if you have an allergy or sensitivity to latex or rubber, be sure to tell your healthcare provider. The needle cover of some single-dose prefilled syringes and prefilled autoinjectors contain dry natural rubber, a derivative of latex, which may cause allergic reactions in sensitive people. However, some newer versions of the syringe and autoinjector made without natural rubber latex are now available.

Be sure to check your package and confirm with your pharmacist that you are receiving a latex-free Repatha product if you have this allergy. The carton and “Instructions for Use” will state if your product contains dry natural rubber.

The single-dose Repatha Pushtronex system (on-body infusor with prefilled cartridge) is not made with natural rubber latex; however, the Pushtronex System was discontinued by Amgen on June 30, 2024.

You can find a list of inactive ingredients in the Repatha Patient Information or you can ask your pharmacist for a copy.

What if I have an allergic reaction to Repatha?

Stop taking Repatha (evolocumab) if you have an allergic reaction. Call your healthcare provider or seek emergency medical help right away (in the U.S. call 911) if you or your child have any of these symptoms:

• trouble breathing or swallowing
• raised bumps (hives)
• rash
• itching
• swelling of the face, lips, tongue, throat or arms
• angioedema (any swelling under the skin)

Tell your doctor if you or your child are pregnant, plan to become pregnant, or become pregnant while taking this medicine. It is not known if Repatha will harm an unborn baby. Also tell your doctor if you or your child are breastfeeding or plan to breastfeed.

Greater sensitivity in older patients may occur, but clinical experience has not identified differences between the elderly and younger patients.

What are the most common side effects with Repatha?

Most people tolerate Repatha well. Side effects that caused people to stop treatment occurred in 2.2% of Repatha-treated patients and 1% of placebo-treated patients. Myalgia (muscle pain) was the most common side effect that led people to stop treatment (0.3% taking Repatha treatment and 0% taking placebo).

The most common side effects of Repatha include:

• symptoms of the common cold, like a runny nose or sore throat (nasopharyngitis)
• flu or flu-like symptoms
• upper respiratory tract (lung) infections
• back pain
• high blood sugar levels (diabetes)
• redness, pain, or bruising at the injection site

To see a detailed list of Repatha side effects visit here. Be sure to tell your doctor about all of the medications you use, including prescription and over-the-counter (OTC) medicines, vitamins, and herbal products.

Related questions

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Does Repatha cause diabetes?

In the cardiovascular outcomes trials, diabetes mellitus was reported as a side effect in 8.8% of those taking Repatha compared to 8.2% on those receiving placebo.

In 16,676 patients without diabetes mellitus at the start of the study, 8.1% of patients (1351) treated with Repatha developed new-onset diabetes mellitus compared with 7.7% of patients (1284) who received placebo.

Why is Repatha prescribed?

Repatha is a medicine in a class called PCSK9 inhibitors. Repatha injection is used:

In adults to reduce the risk of major adverse cardiovascular (CV) events, such as death from cardiovascular disease, heart attack, stroke, certain types of chest pain conditions (unstable angina) requiring hospitalization, or certain types of heart surgery, in adults at increased risk for these events.

Repatha is also used along with diet and exercise to reduce low-density lipoprotein (LDL) or bad cholesterol in:

• adults with high blood cholesterol levels called hypercholesterolemia.
• adults and children aged 10 years and older with a type of high cholesterol called heterozygous familial hypercholesterolemia (HeFH).
• adults and children aged 10 years and older with a type of high cholesterol called homozygous familial hypercholesterolemia (HoFH).

It is not known if Repatha is safe and effective in children with HeFH or HoFH who are younger than 10 years of age or in children with other types of hyperlipidemia.

Learn more: PCSK9 Inhibitors for Cholesterol Treatment

This is not a complete list of side effects with Repatha. Call your doctor for advice about any side effects that occur with Repatha.

This is not all the information you need to know about this medicine and does not replace your doctor's instructions. Review the full product information and discuss this information and any questions you have with your doctor or other health care provider.

Read next

See also:

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Drug information

• Repatha Information for Consumers
• Repatha prescribing info & package insert (for Health Professionals)
• Side Effects of Repatha (detailed)
• Repatha user reviews (743)

Related support groups

• Repatha (34 questions, 103 members)

Medical Disclaimer