Meropenem: uses, side effects & brands

Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed 5 November 2026

Meropenem is a carbapenem antibiotic for severe, resistant infections. It belongs to the Hospital / strong antibiotic (injectable) group. These powerful antibiotics are used in hospital for serious or resistant infections.

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Drug type — dosing is set by your doctor

Measure	Range
Drug class	Hospital / strong antibiotic (injectable)
Type	Prescription
Dose	Individual — ask your doctor or pharmacist

What it is used for

Treats severe hospital infections such as pneumonia and sepsis
Treats complicated abdominal infections
Treats bacterial meningitis
Used for infections caused by bacteria resistant to other antibiotics

Common brand names

India: Meronem, Merocrit, Meropen
Worldwide: Merrem

Common side effects

Diarrhoea
Nausea
Headache
Rash or pain at the drip site

Before taking it — precautions

Tell your doctor about any penicillin or antibiotic allergy
Tell your doctor about kidney problems or seizures
It lowers levels of the epilepsy medicine valproate; tell your doctor if you take it

When to see a doctor urgently

Severe or bloody diarrhoea (urgent)
Fits or seizures (urgent)
Allergic reaction with swelling or breathing trouble (urgent)

Not a prescription — no dose shown. The right dose of meropenem depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.

Frequently asked questions

Why is meropenem kept for serious infections?

It is a powerful antibiotic, and limiting its use helps stop bacteria becoming resistant to it.

Can I take it if I am allergic to penicillin?

Tell your doctor; some people with penicillin allergy can receive it with care, but the decision is theirs.

How is it given?

It is given by injection or drip, usually in hospital.

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Sources & further reading

Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.