Hand, Foot and Mouth Disease
Hand, foot and mouth disease (HFMD) is a common childhood illness caused by enteroviruses, including coxsackieviruses and enterovirus 71 (EV71). It usually causes fever, mouth ulcers, and a rash on the hands, feet, and sometimes the buttocks, resolving in 7 to 10 days.
Hand, Foot and Mouth Disease in Hong Kong
Hong Kong has two HFMD peak seasons｜May to July, and a second, smaller peak from October to December. EV71 infection is of particular concern because it is more likely to cause severe complications such as viral meningitis and encephalitis.
Source: Centre for Health Protection, Department of Health. Data: 2026.
When to see a doctor
Most cases are mild and resolve on their own. See a doctor promptly if a child develops a high or persistent fever, appears drowsy, has repeated vomiting, or shows signs of dehydration such as reduced urination｜these can indicate a more serious complication.
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Frequently asked questions
- What is Hand, Foot and Mouth Disease?
- Hand, foot and mouth disease (HFMD) is a common childhood illness caused by enteroviruses, including coxsackieviruses and enterovirus 71 (EV71). It usually causes fever, mouth ulcers, and a rash on the hands, feet, and sometimes the buttocks, resolving in 7 to 10 days.
- How common is Hand, Foot and Mouth Disease in Hong Kong?
- Hong Kong has two HFMD peak seasons｜May to July, and a second, smaller peak from October to December. EV71 infection is of particular concern because it is more likely to cause severe complications such as viral meningitis and encephalitis. (Centre for Health Protection, Department of Health, 2026.)
- When should I see a doctor for Hand, Foot and Mouth Disease?
- Most cases are mild and resolve on their own. See a doctor promptly if a child develops a high or persistent fever, appears drowsy, has repeated vomiting, or shows signs of dehydration such as reduced urination｜these can indicate a more serious complication.
This page provides general information only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified doctor about your own symptoms.