> Western Medicines > Interferon Gamma

Interferon Gamma

Used for: Chronic granulomatous disease, Malignant osteopetrosis
Chinese name:

What is Interferon Gamma for?

Interferon Gamma belongs to a class of medications called immunomodulatory drugs. It is a type of interferon that can enhance the function of the immune system to defend against disease. It is indicated to treat chronic granulomatous disease and malignant osteopetrosis.

How to use it?

Interferon Gamma is injected under the skin into the deltoids or anterior thighs. Usually, you will be prescribed Paracetamol as premedication or administered during bed-time to reduce flu-like symptoms. Your physician will estimate your body surface area to calculate the dose. Listed below are the indications and the dosages.


Chronic granulomatous disease, Malignant osteopetrosis
Child, adult and elderly
Body surface area > 0.5 m2: 50 mcg/m2 3 times weekly.
Body surface area ≤ 0.5 m2: 1.5 mcg/kg 3 times weekly.

What are the side effects of Interferon Gamma?

Common side effects of Interferon Gamma include fever, headache, rash, diarrhoea, vomiting, injection site tenderness or redness and muscle pain.

Who should not take Interferon Gamma?

People who are allergic to Interferon Gamma, E. coli derived products or any component of the formulation.

Pharmacist Tips:

  • Paracetamol should be prescribed as a premedication.
  • Do not mix with other drugs in the same syringe.

Common dosing schedule:
Interferon Gamma injections are prescribed in institutions by the physicians.


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


Some common medications Interferon Gamma may interact with:

  • Zidovudine

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

Where to buy Interferon Gamma in Hong Kong?

In Hong Kong, Interferon Gamma 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 Interferon Gamma 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
  • 100mcg/0.5mL (Injections)
Drug class
Immunomodulatory Drugs
Sub class
Alternative Names
Interferon-γ, IFNG, IFNγ
Other drugs in same class