Used for: Bacterial infections, Gonorrhea, Prevention of surgical infections
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What is Tazocin?

Tazocin is a brand medication that contains Piperacillin and Tazobactam. Piperacillin belongs to a class of Penicillin antibiotics. Tazobactam works as an enzyme inhibitor to increase the exposure of Piperacillin. It is used to treat a number of complicated bacterial infections, including hospital-acquired pneumonia, complicated skin and soft tissue infections, intra-abdominal infections and urinary tract infections.

How to use it?

Tazocin is available as injections and only used in hospital settings. Each vial contains 4.5 g (Piperacillin 4 g and Tazobactam 0.5 g).

For complicated bacterial infections
Adult and children above 12 years:
Inject 4.5g every 6 hours for 5–14 days by infusion over 30 min.
Child 2–12 years:
Inject 90 mg/kg every 6 hours for 5–14 days by infusion over 30 min.The maximum dose 4.5 g per administration.

What are the side effects of Tazocin?

Common side effects of Tazocin include anaemia, insomnia, headache, diarrhoea, constipation, gastrointestinal discomfort, nausea and vomiting, and allergic skin reactions.

Who should not take Tazocin?

  • Anyone who is allergic to any component of Tazocin, other Penicillin or cephalosporin.
  • Patients with cystic fibrosis
  • Patients with a history of seizure disorders
  • Patients with renal and liver impairment

Pharmacist Tips:

  • Taking Tazocin can rapidly reduce the level of white blood cells, in a condition known as neutropenia. This can further increase your risk of bacterial infections. Look out for signs like high fever, and sore throat and report immediately.
  • Taking Tazocin can also reduce your platelet counts. You are more likely to experience bleeding. Look out for signs like prolonged bleeding and bruising and report immediately.

Common dosing schedule: 
Tazocin is administered in the hospital setting by a healthcare professional.

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


Some common medications Tazocin may interact with:

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

Where to buy Tazocin in Hong Kong?

In Hong Kong, Tazocin 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 Tazocin 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.

Available dosage
  • 4.5g (Injections)
Drug class
Sub class
Penicillins, Aminoglycosides
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