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Most children get diarrhea at some point, and most recover well at home. The danger is rarely the diarrhea itself — it is the water and salts the body loses with it. A small child can lose enough fluid in a single day to become seriously ill.
This is not a rare problem in Pakistan. National survey data has found that around one in five children under five had diarrhea in the two weeks before being surveyed, and it remains one of the leading causes of preventable child deaths in the country. Almost all of these deaths can be avoided with treatment that costs very little.
This guide from the Pediatric Medicine team at Kids Care International Hospital explains what to watch for, what to give, and when to bring your child in
Diarrhea means passing three or more loose or watery stools in 24 hours, or stools that are clearly looser and more frequent than usual for your child.
Two normal patterns are often mistaken for illness:
Children lose fluid faster than adults and have far less to spare. A baby’s body holds a higher proportion of water, and much of it sits in the part of the body that empties first during diarrhea. A young child also cannot ask for water, fetch it, or explain how they feel.
For a 10 kg toddler, losing about 500 ml — roughly two glasses — is already enough to cause dehydration. This is why the child matters more than the nappy. Watch how alert they are and how much urine they pass, not just how many times they go.
Acute watery diarrhea — the common kind. Sudden onset, watery stools, often with vomiting, lasting a few days to a week. Usually viral. The main risk is dehydration, and the treatment is fluids, zinc and continued feeding. Antibiotics do nothing.
Dysentery — diarrhea with visible blood in the stool. This is different. Blood means the lining of the intestine is being damaged, usually by bacteria such as Shigella, or by amoebiasis. A child with blood in the stool needs to be seen by a doctor and usually needs a specific antibiotic — this is one of the few situations in childhood diarrhea where antibiotics genuinely matter. Dysentery is also more likely to cause complications and malnutrition.
Persistent diarrhea — lasting 14 days or more. This carries the highest risk of all, because a child losing nutrients for two weeks slides into malnutrition, and malnutrition then prolongs the diarrhea. It becomes a cycle that needs specialist assessment, nutritional support, and a search for an underlying cause.
Knowing which of the three you are dealing with is the first thing a doctor establishes — and you can establish it at home. Watery, bloody, or long-lasting: three different situations.
Viruses cause most cases. Rotavirus is the most serious in children under two, often starting with vomiting before the diarrhea. Norovirus and adenovirus are also common and spread quickly through homes and schools.
Bacteria such as E. coli, Shigella, Salmonella, and Campylobacter usually come from unsafe water or food. Shigella is a common cause of blood in the stool. Cholera can cause very heavy watery stools and dehydrate a child within hours.
Parasites like Giardia and Entamoeba cause longer-lasting diarrhea, often with poor weight gain.
Other causes include antibiotics taken for another illness, too much juice or fizzy drink, cow’s milk protein allergy in babies, and temporary difficulty digesting milk after a gut infection.
Signs 1–4 mean give more ORS and watch closely. Signs 5–6 mean your child should be seen today. Signs 7–8 mean go to an emergency department now.
An important point that surprises many parents: a dehydrated child usually drinks eagerly. Refusing to drink is a late and serious sign, not a reassuring one.
For most children, the examination is the diagnosis — no tests are needed. The doctor checks how alert the child is, their pulse and breathing, their eyes and mouth, the soft spot in babies, and their weight compared with a recent measurement. If you know your child’s weight from a previous visit, tell the doctor; it is often the most useful number available.
Tests are used when there is a reason for them: a stool test for bloody stools or suspected parasites, blood tests for electrolytes and sugar in a child who is very dehydrated or unusually drowsy, and an ultrasound if a surgical problem is suspected.
ORS works because sugar and salt are absorbed together across the gut wall, and water follows them — even while the intestine is inflamed.
How to prepare it correctly:
How much to give after each loose stool:
| Age | Amount |
|---|---|
| Under 2 years | 50–100 ml (quarter to half a cup) |
| 2–10 years | 100–200 ml (half to one cup) |
| Over 10 years | As much as they want |
Give it slowly — a teaspoon or small sip every one to two minutes. Most vomiting children can still be rehydrated this way, because the stomach accepts small amounts even when it rejects a full cup. If your child vomits, wait ten minutes and start again more slowly.
Zinc shortens the illness and lowers the chance of another episode over the next two to three months by helping the gut lining heal.
Finish all 14 days, even after the stools return to normal. Most families stop on day three — and lose most of the benefit.
The old advice to rest the stomach was wrong. The gut heals faster when it is fed.
Antibiotics are not the treatment for most diarrhea. Most cases are viral, where antibiotics do nothing except upset the gut bacteria and add to drug resistance. They are needed only for dysentery, cholera, confirmed parasite infection, or a child who is seriously unwell — decisions a doctor makes after examining the child.
Never give medicines that stop the motions (such as loperamide) to young children. They hide the fluid still being lost inside the bowel and can cause dangerous drowsiness and a swollen abdomen.
Do not give leftover syrups from a previous illness or medicine meant for adults.
Rotavirus vaccine is free in Pakistan’s EPI schedule, given by mouth in two doses, at 6 weeks and 10 weeks of age. It does not stop every episode, but it greatly reduces the severe cases that need a drip and admission. There is an upper age limit, so start on time.
Handwashing with soap after nappy changes and before preparing food is the single most effective habit in the house.
Safe water and food: boil drinking water and let it cool, clean water storage tanks, cook food well, and avoid food left standing in the heat. Take extra care between June and September, when cases rise with the heat and monsoon rain.
Exclusive breastfeeding for the first six months is one of the strongest protections available.
Home treatment with ORS, zinc, and continued feeding is right for most children — as long as your child stays alert and passes urine normally. Bring them in when that changes.
The Pediatric Medicine department at Kids Care International Hospital, Rawalpindi, treats gastroenteritis, dehydration, dysentery, and persistent diarrhea. As a dedicated children’s and maternity hospital, we have pediatric-trained nursing, weight-based fluid protocols, a 24-hour pediatric emergency, on-site laboratory support, and a neonatal intensive care unit for the smallest patients.
You can view our child specialists and consultant pediatricians and book online, or come to the emergency department at any hour if your child shows the warning signs above.
If you are not sure whether your child needs to be seen, call and ask. A short conversation is always better than a late arrival.
Look at the child, not the stool. Check four things: alertness, whether the eyes look sunken and the mouth is dry, whether they are drinking eagerly or too weak to drink, and the skin pinch on the abdomen — it should spring back instantly. Also count urine: a well-hydrated child passes urine at least every six to eight hours.
No, and it is not meant to. ORS replaces the water and salts being lost, which is what prevents dehydration and keeps a child safe while the illness runs its course. Many families stop it because the loose motions continue and assume it isn’t working — but that is exactly when it is working hardest. Keep giving it after every loose stool.
Give less, more slowly — a teaspoon every one to two minutes. If nothing stays down for several hours, or your child becomes drowsy, go to hospital. They may need fluids through a tube or drip.
No. Breastfeeding should continue throughout, and more frequently if anything. Breast milk provides fluid, nutrition and protective factors all at once, and stopping it removes the best thing your baby has. ORS is given alongside breastfeeding, not instead of it. Formula should also continue at normal strength rather than being diluted
Keep feeding normally, in small frequent portions of whatever your child accepts — rice, khichri, yogurt, banana, potato, well-cooked daal, lassi. Resting the gut by withholding food prolongs the illness and causes weight loss. Avoid packaged juices, fizzy drinks and very sugary drinks, which draw water into the gut and worsen the diarrhea.
No. Anti-diarrheal medicines are not safe for children — they trap infected fluid in the intestine, hide ongoing losses, and can cause serious complications. There is no medicine that safely stops childhood diarrhea, and none is needed. ORS, zinc and continued feeding are the treatment, and they work.
Usually not. Most childhood diarrhea is viral, and antibiotics have no effect on viruses while disturbing the gut further and contributing to resistance. Antibiotics are genuinely needed in specific situations — dysentery with blood in the stool, suspected cholera, and certain parasitic infections — and that decision belongs to a doctor after examining your child.
Usually not. Exclusively breastfed babies normally pass frequent, soft, seedy, yellow stools, sometimes after every feed, and this is a sign of healthy feeding rather than illness. What matters is a change: stools becoming watery, a sudden increase beyond your baby’s usual pattern, or a baby who seems unwell, feeds poorly or passes less urine.
At Kids Care International Hospital (KCIH) Rawalpindi, children with diarrhea are assessed by the child specialist Dr. Samer Sikander in our pediatric medicine department, with oral and intravenous rehydration, on-site stool and blood testing at our diagnostic facility, inpatient care, and a 24/7 emergency department. Families attend from across Twin cities Rawalpindi, Islamabad and the surrounding districts.
