Chickenpox is a common mild viral illness caused by Varicella zoster virus.

chicken pox in children


  • Fever for 2-3 days, which may not be present in children
  • Rash usually starts in the trunk (chest and abdomen) and spreads outwards to the limbs, rash comes “in waves ‘
  • Different types of rashes present at any one time – redness, vesicles and then crusting
  • Usually last for 10-14 days


  • Usually transmitted either airborne or via direct contact
  • Incubation 14-21 days, but child is infectious 2 days before the rash appears till 5 days after the rash appears


  • Skin infection (of the rashes)
  • Pneumonia (lung infection)
  • Encephalitis (brain infection)


  • Immunization – 2 doses of varicella immunization, usually given 3 months apart in children more than 1 year old
  • Post exposure immunization can be given within 3 days of exposure

Tips to alleviate symptoms

Antihistamines or topical calamine lotion would usually be prescribed by a doctor to alleviate the itch from chickenpox. Antipyretics such as paracetamol would also be given. There is no food that parents should not give or is not suitable during a chickenpox episode. I would strongly encourage more fluids to prevent dehydration.

dr ellen tayBy Dr Ellen Tay, Paediatrician

Dr Tay obtained her Bachelor of Medicine and Bachelor of Surgery from the National University of Singapore. She attained her qualifications of Masters of Medicine in Paediatrics and Membership to the Royal College of Physicians (United Kingdom) in 2002 and obtained her specialist qualification after completing her training in paediatrics in 2005 (Specialist Accreditation Board, Singapore).


Practice Address
Thomson Paediatric Centre at Novena Medical Centre
10 Sinaran Drive Novena Medical Centre #09-02/03
Tel: 62563291

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