Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Children lose fluid quickly with vomiting, diarrhoea, fever or heat, and can become dehydrated faster than adults. Knowing the signs — and acting early with ORS — prevents it becoming serious.
Thirst and cool, mottled hands and feet (more serious)
When to see a doctor urgently
Very little or no urine for many hours
Drowsiness, floppiness or being hard to wake
Fast breathing or a rapid heartbeat
Cold, blotchy hands and feet
Unable to keep any fluids down
Act early with ORS. Start ORS in small frequent sips at the first signs. Serious dehydration needs urgent medical care, sometimes fluids by drip. MedDroid gives general information, not a diagnosis.
Frequently asked questions
What are the first signs of dehydration in a child?
Fewer wet nappies, a dry mouth, fewer tears and increased thirst or tiredness. Start ORS early before it worsens.
How do I rehydrate my child at home?
Give ORS in small, frequent sips, keep breastfeeding, and continue offering fluids. Avoid sugary drinks. Seek care if signs worsen.
When is dehydration an emergency?
Very little urine, drowsiness or floppiness, fast breathing, cold blotchy skin, or inability to drink all need urgent medical care.
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.