Zithromax is a brand medication that contains Azithromycin, which belongs to a class of macrolide antibiotics. It is used for treating a range of bacterial infections including respiratory tract infections, ear infections, skin and soft tissue infections and more.
Zithromax is available as tablets, oral suspension, and injections. The usual daily dose varies depending on the type of bacterial infection.
For respiratory-tract infections / Ear infections / Skin and soft-tissue infections
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. By body weight,
15–25 kg: 200 mg once daily for 3 days.
26–35 kg: 300 mg once daily for 3 days.
36–45 kg: 400 mg once daily for 3 days.
46 kg and above: 500 mg once daily for 3 days.
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In Hong Kong, Zithromax 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 Zithromax 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.