> Western Medicines > Ertapenem


Used for: Prevention of surgical infections, Community-acquired pneumonia, Skin and soft tissue infections
Chinese name:

What is Ertapenem for?

Ertapenem belongs to a class of medications called carbapenem antibiotics. It works by killing bacteria that cause infections and is used to treat various bacterial infections. It does not work for virus or fungus infections.

How to use it?

Ertapenem is injected through a needle into a vein or muscle as directed by your doctor. It is given as 1 g dose once daily or before surgery for adults. For children aged 3 months to 13 years, the dosage is 15 mg per kg bodyweight twice daily, with a maximum dosage of 1 g per day.

The common treatment length is 10-14 days for infections.

What are the side effects of Ertapenem?

Common side effects of Ertapenem include diarrhoea, headache, nausea and vomiting, thrombophlebitis, and injection site reactions.

Who should not take Ertapenem?

  • People who are allergic to Ertapenem or any component of the formulation.
  • People who are allergic to carbapenems.
  • People who are allergic to beta-lactams, e.g. Penicillins and Cephalosporins.

Pharmacist Tips:

  • Report to your doctor immediately if you experience bloody diarrhoea when you use this medication.
  • Drink plenty of water to replace any lost fluids due to diarrhoea.

Common dosing schedule:
Ertapenem should be administered once daily.


This schedule is for reference only, adjustments may be made according to individual needs.


Some common medications Ertapenem may interact with:

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Ertapenem in Hong Kong?

In Hong Kong, Ertapenem is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.


For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Ertapenem in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.

Brands in Hong Kong
Available dosage
  • 1g (Injections/Infusions)
Drug class
Sub class
Other drugs in same class
Used for: Bacterial meningitis, Skin and soft tissue infections, Bacterial infections, Lower respiratory tract infections, Intra-abdominal infections, Prevention of surgical infections
Chinese name:
Used for: Lower respiratory tract infections, Intra-abdominal infections, Skin and soft tissue infections, Bacterial meningitis, Bacterial infections
Chinese name: