Medicines & Supplements A to Z > Azithromycin

Azithromycin

Last updated on June 26, 2019.

Overview   |   Dosage   |   Side Effects   |   Where To Buy  

GENERIC NAME: Azithromycin

CHINESE NAME: 阿奇霉素

COMMON BRANDS IN HONG KONG: Zithromax, Sumamed

What is Azithromycin for?

Azithromycin is a macrolide antibiotic like erythromycin, and is used for treating bacterial infections, including but not limited to the following: 

  • Respiratory tract infections 
  • Otitis media (Ear infections)
  • Skin and soft tissue infections 
  • Community acquired pneumonia
  • Uncomplicated genital chlamydial infections
  • Gonorrhoea
  • Pertussis (whooping cough)

How to use it?

For respiratory-tract infections / otitis media /  skin and soft-tissue infections

Oral 

Adult

500 mg once daily for 3 days OR initially 500 mg once daily for 1 day, then 250 mg once daily for 4 days

Child 6 months–17 years

10 mg/kg once daily (max. per dose 500 mg) for 3 days

Child 6 months–17 years (body-weight 15–25 kg)

200 mg once daily for 3 days

Child 6 months–17 years (body-weight 26–35 kg)

300 mg once daily for 3 days

Child 6 months–17 years (body-weight 36–45 kg)

400 mg once daily for 3 days

Child 6 months–17 years (body-weight 46 kg and above)

500 mg once daily for 3 days

 

For community-acquired pneumonia 

Oral 

Adult

500 mg once daily for 3 days OR initially 500 mg once daily for 1 day, then 250 mg once daily for 4 days

 

For uncomplicated genital chlamydial infections

Oral 

Adult / Child 12-17 years

1 g for 1 dose

 

For uncomplicated gonorrhoea

Oral 

Adult

1 g for 1 dose

 

For pertussis 

Oral 

Adult 

500 mg as a single dose on day 1, then 250 mg daily on day 2-5; Total course of therapy: 7 days 

Child 6 months or below

10mg/kg/day as a single dose for 5 days 

Child 6 months or above 

10mg/kg as a single dose on day 1 (up to a maximum of 500 mg), then 5mg/kg/day on day 2-5 (up to a maximum of 250 mg)

What are the side effects of Azithromycin?

Common side effects of Azithromycin include decreased appetite, diarrhoea, gastrointestinal discomfort,  nausea and vomiting. 

Where to buy Azithromycin in Hong Kong?

In Hong Kong, Azithromycin 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 http://www.drugoffice.gov.hk

For detailed information about the use of Azithromycin 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.

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