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hand, foot & mouth disease

by william samuels

hand, foot and mouth disease is a common viral illness in children under 5. it causes small blisters on the hands, feet, and inside the mouth. it's usually mild and clears up on its own within 7–10 days.

contagious

yes

incubation

3–5 days

contagious for

most contagious during the first week; can spread through poo for weeks after

exclusion

exclude until all blisters have dried

symptoms

  • small blisters inside the mouth, on the tongue, and gums
  • blisters or red spots on palms of hands and soles of feet
  • sometimes blisters on buttocks and legs
  • sore throat and mouth making eating painful
  • mild fever
  • general feeling of being unwell

when to see a doctor

see your GP or call 13 HEALTH (13 43 25 84) if:

  • your child is not drinking enough fluids
  • fever lasts more than 3 days
  • symptoms haven't improved after 10 days
  • your child is very young (under 6 months)
  • your child has a weakened immune system
  • blisters look infected (red, swollen, oozing pus)

in an emergency, call 000.

home treatment

  • give paracetamol for pain and fever (not ibuprofen if mouth sores are severe)
  • offer cold foods like ice blocks and yoghurt to soothe mouth
  • avoid acidic or salty foods that sting
  • encourage small, frequent sips of water
  • wash hands frequently to prevent spread
  • avoid popping blisters — they heal on their own

this guide is for informational purposes only and is not medical advice. if you are concerned about your child, see your GP, call 13 HEALTH (13 43 25 84), or in an emergency call 000.