- HFMD may cause fever, sore throat, mouth ulcers and small blisters on the hands, feet or buttocks.
- Painful mouth ulcers can reduce drinking and lead to dehydration, especially in young children.
- Children should stay home according to medical advice and childcare/school requirements to reduce spread.
Why this deserves attention
HFMD is common in young children but adults can be infected too. Learn what to look for, how to reduce spread and why hydration matters when mouth ulcers are painful.
The same symptom can have several causes. Useful clues include how quickly it changed, how severe it is, what comes with it, personal risk factors and whether it is clearly different from your normal baseline.
What to observe
Check temperature, mouth ulcers, hand/foot rash, drinking, urine output, alertness and whether vomiting or diarrhoea is present.
Write down when symptoms happen, how long they last, triggers, changes in normal function and medicines or supplements already taken. A short record often makes a consultation more useful.
Sensible next steps
Offer frequent cool fluids and soft foods if swallowing hurts. Keep personal items separate and clean high-touch surfaces and toys.
Medical assessment and where TCM fits
Most cases are managed supportively, but a doctor should assess suspected HFMD in a child and watch for dehydration or uncommon neurological complications.
TCM should not replace hydration, infection-control measures or medical review of a sick child. Avoid giving herbs to young children without qualified assessment.
TCM and conventional care can sometimes complement each other, but acute red flags, conditions needing imaging or blood tests, and diseases with established evidence-based treatment require diagnosis and safety to come first.
When not to wait
Drowsiness, severe headache, neck stiffness, fits, breathing difficulty, turning blue or inability to drink needs urgent medical assessment.
Related reading & Singapore resources
This page provides general health education, not an individual diagnosis or emergency plan. Sudden, severe, worsening or red-flag symptoms should be assessed through appropriate conventional medical or emergency care.