Medicines for Dehydration & Electrolyte Imbalance

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About Dehydration & Electrolyte Imbalance

Dehydration happens when the body loses more fluid than it takes in, often from diarrhoea, vomiting, fever or heat. Salts such as sodium and potassium are lost with the fluid and must be replaced.

Common signs and symptoms

  • Thirst and dry mouth
  • Dark urine and passing less urine
  • Dizziness and weakness
  • Muscle cramps

Medicines and products you will find here

  • Oral rehydration salts (ORS)
  • Potassium, magnesium and calcium supplements
  • Electrolyte drinks and sachets
  • Intravenous fluids in hospital when needed

When to see a doctor

  • A child or older person cannot keep fluids down
  • There is confusion, fast heartbeat or fainting
  • No urine is passed for 8 hours
  • Diarrhoea or vomiting lasts more than two days

Frequently asked questions

How is ORS prepared?

Mix one sachet in the amount of clean water stated on the pack and never use more or less water than advised.

Are sports drinks the same as ORS?

No. ORS has a balanced salt-sugar ratio designed to treat dehydration.

This information is for general awareness and is not a substitute for medical advice. Please consult a doctor or pharmacist before starting, changing or stopping any medicine. Browse all health conditions