Diarrhoea During Pregnancy: Everything You Need To Know

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This blog is for educational purposes only and does not replace professional medical advice or diagnosis. If you have health concerns, consult an AHPRA-registered telehealth doctor or request a medical certificate online if clinically appropriate. Please note: Hola Health does not currently offer Mental Health Care Plans.

Overview

Diarrhoea can happen at any stage of pregnancy. Common causes include infections, dietary changes, food sensitivities, certain medications, or an underlying digestive condition. Most cases are mild and resolve within a few days.

Diarrhoea that lasts a long time or is severe can increase the risk of dehydration. This is a concern for both the pregnant woman and the developing baby. Clinical management depends on the underlying cause and the stage of pregnancy, as certain medications may not be safe during pregnancy. While occasional diarrhoea is quite common during pregnancy, symptoms that don’t settle within a day or two should always be checked by a healthcare professional. This helps rule out an infection or another underlying condition.

This article outlines the common causes and symptoms, home care options, and when to consult a doctor.

Is diarrhoea normal during pregnancy?

Diarrhoea is not considered a typical pregnancy symptom, but it can still occur at any stage. Most cases are mild and improve within a couple of days. However, ongoing diarrhoea or diarrhoea with other concerning symptoms should be assessed by a doctor.

Common reasons diarrhoea occurs during pregnancy include:

• Viral gastroenteritis (a stomach bug)
• Food poisoning
• Changes to diet
• Prenatal vitamins or other medications
• Food intolerances
• Irritable bowel syndrome (IBS)
• Stress and anxiety

What causes diarrhoea during pregnancy?

Diarrhea during pregnancy may result from either an infectious or a non-infectious cause. The table below highlights the most common causes.

Common symptoms

Common symptoms include:

• Frequent loose or watery stools
• Abdominal cramps
• An urgent need to go to the toilet
• Bloating
• Nausea
• Mild fever, depending on the cause
• Fatigue
• Dehydration

How to manage mild diarrhoea safely during pregnancy

Managing diarrhoea during pregnancy usually involves maintaining good hydration and avoiding dehydration. Always consult a doctor or pharmacist before using any medication during pregnancy.

1. Stay hydrated

• Drink water regularly
• Use an oral rehydration solution if recommended
• Take small, frequent sips if you’re feeling nauseous

2. Eat gentle, easy-to-digest foods

• Bananas
• Rice
• Applesauce
• Toast
• Plain crackers
• Boiled potatoes

If you’re unsure about the best foods to eat, speak with your doctor for advice that’s appropriate for you.

3. Avoid foods that may worsen symptoms

• Fatty foods
• Spicy foods
• Alcohol (best avoided during pregnancy)
• Caffeinated drinks
• Sugary foods

4. Rest

Getting enough rest gives your body the chance to recover while you manage symptoms.

5. Avoid taking anti-diarrhoeal medicines without medical advice

• Not all medicines are considered safe to take during pregnancy.
• Always speak to a doctor or pharmacist before using over-the-counter medications.

Signs of dehydration to watch for

Here are a few warning signs that shouldn’t be ignored:

• Dry mouth
• Dark urine
• Passing less urine than usual
• Dizziness
• Extreme thirst
• Fatigue
• Rapid heartbeat

Staying hydrated is especially important during pregnancy because your body needs additional fluids to support the developing baby, the placenta, and the amniotic fluid.

This information is for educational purposes only. You should consult a medical practitioner before attempting new wellness programs or lifestyle changes to ensure they are safe for your specific condition

When should you see a doctor?

See a doctor if:

• Diarrhoea lasts longer than 24–48 hours
• Symptoms are severe
• There is blood or mucus in the stool
• You develop a fever
• You notice signs of dehydration
• You have abdominal pain
• You cannot keep fluids down
• Symptoms start after a recent overseas travel

Pregnancy warning signs that need urgent medical attention

Seek urgent medical care if you experience:

• Severe dehydration
• Persistent vomiting along with diarrhoea
• Heavy vaginal bleeding
• Reduced fetal movements (later in pregnancy)
• Regular contractions before term
• Severe abdominal pain
• High fever with severe illness

If you experience severe, worsening, or life-threatening symptoms, call 000 immediately or attend your nearest Emergency Department (ED). This includes severe dehydration, persistent vomiting, or any urgent pregnancy warning signs.

Can diarrhoea affect your body?

Mild diarrhoea is unlikely to cause harm to your baby if it settles quickly. The greatest concern is dehydration, so prompt medical care is important to help prevent complications.

Key points:

• Mild, short-lived diarrhoea is usually not harmful.
• Dehydration and its potential effects are the key concerns.
• Prompt medical care helps reduce risks.

How is diarrhoea during pregnancy diagnosed?

Diarrhoea during pregnancy is common. If you see a doctor about diarrhoea in pregnancy, they may:

• Review symptoms and medical history
• Assess your hydration status
• Recommend a stool test if infection is suspected
• Arrange blood tests, where clinically appropriate
• Assess any pregnancy-related concerns

Can telehealth help?

Telehealth is a convenient option for appropriate healthcare needs and can complement in-person healthcare. It is not a replacement for face-to-face care. Some concerns, such as a physical obstetric examination or severe abdominal pain, require an in-person assessment or emergency care.

• Assessing mild diarrhoea symptoms
• Hydration and dietary advice
• Determining whether your symptoms require in-person care
• Prescribing medications, where clinically appropriate and safe in pregnancy
• Referrals for pathology or obstetric assessment, when needed

If you have signs of severe dehydration, heavy bleeding, excess abdominal pain, or any of the urgent warning signs above, in-person or emergency care is recommended instead of a telehealth consultation.

How Hola Health can help

Hola Health’s online doctors can support you if you’re experiencing diarrhoea during pregnancy. They can help with:

• Online doctor consultations: Speak with a doctor and have your diarrhoea symptoms assessed.
• Assessment of diarrhoea during pregnancy: Get advice on your symptoms and whether further medical care is needed.
• Pregnancy-safe treatment advice: Get personalised guidance on managing your symptoms safely based on your stage of pregnancy.
• Online prescriptions: Where clinically appropriate, a prescription can be issued online.
• Pathology referrals: Referrals for tests can be arranged, where clinically appropriate.
• Referrals for obstetric or hospital assessment: If needed, you can be referred on for further care.
• Medical certificates: A medical certificate can be provided if your illness affects your ability to work.

Tips to help prevent diarrhoea during pregnancy

Here are a few handy tips:

• Wash hands regularly
• Practise safe food handling
• Drink safe, clean water
• Cook meat thoroughly
• Wash fruits and vegetables
• Avoid foods your doctor recommends against during pregnancy
• Stay hydrated
• Consult your doctor before taking new medications or supplements

Conclusion

Diarrhoea during pregnancy is often mild and short-lived. However, ongoing symptoms or signs of dehydration require medical attention. Drinking plenty of fluids, eating suitable foods, and seeking timely medical advice can support your health and your baby’s well-being.

FAQs

Is diarrhoea common during pregnancy?

Yes. While it’s not a typical pregnancy symptom, many people experience it at some point.

What causes diarrhoea during pregnancy?

Common causes include viral gastroenteritis, food poisoning, dietary changes, food intolerances, prenatal vitamins, IBS, and stress.

Can diarrhoea harm my baby?

Mild, short-lived diarrhoea is usually harmless. The main risk is dehydration, so prompt care helps reduce the risk.

What foods should I eat if I have diarrhoea while pregnant?

Gentle, easy-to-digest foods such as bananas, rice, applesauce, plain crackers, toast, and boiled potatoes are generally well tolerated.

How can I prevent dehydration during pregnancy?

Drink plenty of water, use an oral rehydration solution if recommended, and take small, frequent sips if you’re also feeling nauseous.

Are anti-diarrhoeal medicines safe during pregnancy?

Not all anti-diarrhoeal medicines are considered safe in pregnancy. Always check with a doctor or pharmacist before taking any medication during pregnancy.

When should I call my doctor about diarrhoea during pregnancy?

See a doctor if your diarrhoea lasts more than 24-48 hours, is severe, or comes with fever, blood in the stool, severe pain, or signs of dehydration.

How long should diarrhoea last during pregnancy?

Mild diarrhoea usually clears up within a couple of days. If it lasts longer than 24-48 hours, seek medical advice.

Can food poisoning be dangerous during pregnancy?

Food poisoning can cause more severe symptoms, including fever and blood in the stool, and should always be assessed by a doctor, especially during pregnancy.