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Meropenem

Antibiotic

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What is meropenem?

Meropenem (also called Merrem®) is a medicine used to treat infections. Meropenem is available as a clear to yellow liquid that is given into a vein (IV).

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Possible side effects

  • Nausea
  • Vomiting
  • Diarrhea
  • Rash
  • Itching
  • Low blood pressure
  • Headache
  • Seizures
  • Changes in kidney or liver function tests
  • Swelling at the injection site
  • Shortness of breath

These are the most common side effects, but there may be others. Please report all side effects to the doctor or nurse.

Symptoms of an allergic reaction include: rash, hives, itching, chills, fever, headache, muscle ache, shortness of breath, coughing, tightness in the throat, swelling of the face or neck.

Not all patients who take meropenem will experience these side effects. Common side effects are bolded, but there may be others. Please report all suspected side effects to your doctor or pharmacist.

Find more information on side effects.

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Tips for patients and families

Be sure to discuss all questions and instructions with your doctor or pharmacist. 

  • If you have decreased kidney function, tell your doctor before you receive meropenem.
  • If you are an outpatient receiving meropenem through a portable pump:
    • Finish all doses of meropenem as instructed by your doctor, even if you think your condition has improved
    • Store meropenem in the refrigerator or on ice
    • Place one (1) dose of meropenem at room temperature about one (1) hour before the dose is received.
    • Meropenem in a portable pump is only good for 5 days; you will receive a new supply every 5 days.
  • Meropenem may cause a false-positive urine test result when checking your urine for sugar (glucose) levels.
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Always check the medication label. Many medicines look the same. Do not take any new medicine, including over-the counter medicines or supplements, without checking with your doctor or pharmacist. Talk to your doctor or pharmacist about what to do in the case of a missed dose, allergic reaction, or medical emergency. 

This information is not intended to be a complete guide and is not a substitute for talking with your provider. Medicine names, appearance, formulas, or availability may vary by clinic location. Always follow the instructions given by your care team.

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Reviewed: June 2024