preventing diarrhea

Overview

Diarrhea means passing loose or watery stools more often than usual. Most episodes are mild and short-lived. This article focuses on ways to reduce your chances of getting diarrhea and how to look after yourself if you do.

Yes. Almost everyone experiences diarrhea from time to time. It is one of the most common digestive problems worldwide.

Anyone can get diarrhea, but it can be more serious for young children, older adults, and people with weak immune systems.

Symptoms

Common symptoms

• Loose or watery stools
• Belly cramps
• Feeling sick
• Needing the toilet urgently
• Feeling bloated

Symptoms in children

• Loose stools
• Fever
• Vomiting
• Tummy ache
• Signs of dehydration like a dry mouth or fewer wet nappies

Symptoms in older adults

• Watery stools
• Dizziness
• Weakness
• Confusion
• Signs of dehydration like dark urine or feeling very thirsty

Causes

Main causes

• Viruses, such as norovirus or rotavirus
• Bacteria, often from contaminated food or water
• Food poisoning
• Parasites (tiny organisms found in contaminated water or food)
• Some medicines, such as antibiotics
• Digestive conditions like irritable bowel syndrome or Crohn's disease

Risk factors

• Travelling to areas with poor sanitation
• Drinking unsafe water
• Eating undercooked food
• Having a weakened immune system
• Taking certain antibiotics
• Being in close contact with someone who has diarrhea

When to see a doctor

See a doctor urgently if:

• If you have any emergency symptoms listed above, call your local emergency number immediately.
• See a doctor on the same day if you have blood or mucus in your stool, a very high fever, or if you cannot keep fluids down.

Book a routine appointment if:

• Diarrhea that lasts longer than 3 days (or 24 hours in a child)
• Weight loss without trying
• Repeated episodes of diarrhea with no clear reason
• You have an underlying health condition or are pregnant

Diagnosis

A doctor will ask about your symptoms, any recent travel, and what you have eaten. They may examine you to check for dehydration. In many cases, no tests are needed.

Tests that may be done

• A stool sample to look for bacteria, viruses, or parasites
• A blood test to check for dehydration or signs of infection
• A urine test to check hydration levels

What to expect at your appointment

Your doctor may suggest using rehydration drinks and eating plain, easy-to-digest foods. They will tell you when to return if things do not improve.

Treatment

The main goal is to prevent dehydration. Your body needs water and salts. Most mild episodes improve with rest and drinking plenty of clear fluids.

Self-care at home

• Drink small sips of water often, or an oral rehydration solution (ask your pharmacist which one is suitable).
• If you can eat, choose plain foods like rice, toast, bananas, or boiled potatoes.
• Avoid alcohol, caffeine, and sugary drinks while you recover.
• Rest as much as possible and wash your hands well after using the toilet.

Medical treatments

A doctor may recommend rehydration salts to mix with water. If a bacterial or parasitic infection is the cause, antibiotics or other specific treatments may be prescribed. Viral diarrhea usually needs only support and fluids. Always use any medicine exactly as directed by your doctor or pharmacist.

When is surgery considered?

Surgery is rarely needed for diarrhea itself. It may be necessary if diarrhea is a symptom of a serious underlying digestive problem, such as a blockage or an inflamed appendix.

Living with this condition

If you often have diarrhea, keep a diary of what you eat and drink and when symptoms happen. This can help you and your doctor spot patterns or triggers.

Lifestyle tips

• Wash your hands frequently, especially after using the toilet and before handling food.
• Drink enough water throughout the day.
• Be careful with food preparation, especially when handling raw meat, eggs, or seafood.
• When travelling, drink bottled or boiled water and avoid ice cubes or street food in areas with uncertain hygiene.

Diet and exercise

A balanced diet and regular physical activity help keep your digestive system healthy. When you feel well, eat plenty of fruits, vegetables, and whole grains, but make changes gradually if you are prone to loose stools.

Mental health and emotional wellbeing

Living with frequent diarrhea can be stressful and embarrassing. It can affect your mood and social life. It is normal to feel frustrated or anxious. Talking to a friend, family member, or a mental health professional can help if you are struggling.

Prevention

Many cases can be prevented with good hygiene, safe food preparation, and clean drinking water. Thorough handwashing is one of the most effective steps.

Vaccines

In some regions, vaccines are available that protect against rotavirus, a common cause of severe diarrhea in babies and young children. Ask your child's doctor about vaccination schedules.

Complications

If left untreated

• Dehydration
• Electrolyte imbalance (loss of important minerals)
• Kidney problems
• Malnutrition
• Weight loss

Long-term outlook

With supportive care and attention to hydration, most people recover fully within a few days. For those at higher risk, the outlook is very good with prompt medical care.

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