diarrhea workplace prevention

Overview

Diarrhea means passing loose or watery stools (poo) three or more times in a day. It is often caused by a virus or bacteria and can spread quickly in workplaces, especially where people share kitchens, bathrooms, or work close together.

Yes. Most adults experience diarrhea once or twice a year, and workplace outbreaks – especially of viral diarrhea – happen regularly.

Anyone can get diarrhea, but people who handle food, work in healthcare or childcare, or share close spaces are more likely to come into contact with the germs that cause it.

Symptoms

Common symptoms

• Loose or watery stools
• Stomach cramps
• Feeling sick or vomiting
• A sudden, urgent need to go to the toilet
• Feeling tired or weak

Symptoms in children

• The same symptoms as adults, plus being more irritable or clingy
• Fewer wet nappies or fewer trips to the toilet
• Dry mouth or crying without many tears

Symptoms in older adults

• Diarrhea can cause dehydration more quickly in older adults
• Dizziness or feeling faint
• Confusion or reduced urine output

Causes

Main causes

• Viral infections, such as norovirus, which spreads easily in workplaces
• Bacterial infections from contaminated food or water
• Parasites, usually picked up from contaminated food or water
• Sometimes medicines, food intolerances, or digestive conditions

Risk factors

• Working in food service, healthcare, or childcare
• Sharing a kitchen, bathroom, or office equipment
• Not washing hands thoroughly after using the toilet
• Preparing food for other people while you have symptoms

When to see a doctor

See a doctor urgently if:

• Symptoms get worse instead of better
• You see blood in your stool
• You are showing signs of dehydration
• You are an older adult, pregnant, or have a weakened immune system

Book a routine appointment if:

• Diarrhea persists for more than a few days
• You need a sick note for work
• You want advice about staying hydrated or when it is safe to return to work

Diagnosis

Doctors usually diagnose diarrhea by asking about your symptoms, medical history, and recent contact with other people. In most cases, no tests are needed.

Tests that may be done

• A stool (poo) sample may be tested if your symptoms are severe, if there is blood, or if there is a workplace outbreak.
• Blood tests may be taken to check for dehydration or infection.
• If you have recently travelled, additional tests may be suggested.

What to expect at your appointment

Your healthcare provider may ask about where you work and whether colleagues are ill. They will also check your temperature, pulse, and signs of dehydration.

Treatment

Treatment for diarrhea focuses on replacing lost fluids and preventing the spread of infection. Most cases get better without needing any medicine.

Self-care at home

• Drink plenty of fluids – water, clear soup, or oral rehydration solution – little and often
• Rest at home and avoid work until symptoms have stopped for at least 48 hours
• Eat plain, easy-to-digest foods like rice, toast, bananas, and potatoes
• Wash your hands with soap and water after using the toilet and before touching food

Medical treatments

If you are dehydrated, your doctor may recommend an oral rehydration solution or, in more severe cases, fluids given through a drip. Anti-diarrheal medicines are sometimes used for short-term relief, but they are not suitable for everyone. Antibiotics may be given if a bacterial cause is confirmed, but they do not work for viral diarrhea.

When is surgery considered?

Surgery is not needed for ordinary diarrhea. In rare cases where diarrhea is caused by a serious problem like a bowel blockage or a burst appendix, an operation may be required – but this is not related to workplace prevention.

Living with this condition

If you have diarrhea, the most important thing is to rest, drink plenty of fluids, and stay home until you are no longer contagious. This is usually until at least 48 hours after your last episode of loose stool. If you are unsure, check your workplace's sickness policy.

Lifestyle tips

• Wash your hands thoroughly after each toilet visit
• Clean shared surfaces such as door handles, keyboards, and phones with disinfectant
• Avoid preparing food for other people while you have symptoms
• Use your own towel and wash it frequently

Diet and exercise

Eat small, bland meals and avoid dairy, spicy foods, alcohol, and caffeine until you feel better. When you are recovered, gently return to your normal activity and exercise routine over a few days.

Mental health and emotional wellbeing

Having diarrhea can be embarrassing and stressful, especially at work. Try to remember that it is a common illness and nobody is to blame. Stay hydrated, rest, and be kind to yourself while your body recovers.

Prevention

Yes. In most cases, diarrhea can be prevented by good hand hygiene, safe food handling, and staying home when you are ill. These simple steps protect you and your colleagues.

Vaccines

There is a vaccine for rotavirus, a common cause of diarrhea in babies and young children. Some travel vaccines can protect against certain causes of diarrhea, but there is no routine vaccine for workplace viral diarrhea like norovirus. Ask your healthcare provider if you have travel or vaccine questions.

Screening programmes

There is no routine screening for diarrhea in healthy adults. If a workplace outbreak is suspected, your workplace health team may ask people to complete a symptom questionnaire or provide stool samples, but this is only during an investigation.

Complications

If left untreated

• Dehydration, which can be serious in children, older adults, and people with weakened immune systems
• Electrolyte imbalances (loss of essential minerals from the body)
• Kidney problems in severe cases
• Continued spread of the infection to other people

Long-term outlook

With rest and plenty of fluids, almost everyone recovers fully from diarrhea within a few days to a week. Taking simple prevention steps at work helps protect your colleagues and stops the illness from spreading further. If symptoms last longer or become severe, medical help is available and effective.

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