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Eteplirsen Side Effects

For the Consumer

Applies to eteplirsen: intravenous solution

In addition to its needed effects, some unwanted effects may be caused by eteplirsen. In the event that any of these side effects do occur, they may require medical attention.

If any of the following side effects occur while taking eteplirsen, check with your doctor or nurse immediately:

More common:
  • Loss of balance control
  • vomiting

Minor Side Effects

Some of the side effects that can occur with eteplirsen may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

Incidence not known:
  • Bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
  • blistering, burning, crusting, dryness, or flaking of the skin
  • itching, scaling, severe redness, soreness, or swelling of the skin

For Healthcare Professionals

Applies to eteplirsen: intravenous solution


Very common (10% or more): Upper respiratory tract infection[Ref]


Very common (10% or more): Contact dermatitis (25%), contusion, facial flushing, transient erythema, excoriation, rash[Ref]


Very common (10% or more): Vomiting (38%)[Ref]


Very common (10% or more): Catheter site pain[Ref]


Very common (10% or more): Arthralgia[Ref]

Nervous system

Very common (10% or more): Balance disorder (38%)[Ref]


1. "Product Information. Exondys 51 (eteplirsen)." Sarepta Therapeutics, Cambridge, MA.

Not all side effects for eteplirsen may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.