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With 2 clinics located in Central London and 2 in North-West London, Dr Arun Rajendran takes pride in offering expert, friendly, and effective care for a comprehensive range of conditions affecting the gullet, stomach, colon, and liver.

+44 (0)20 3404 5254

mailgastro@pm.me
London clinic and Onewelbeck
BMI The Clementine Churchill Hospital
OSD Healthcare

Monday - Friday 09:00 - 17:00

Saturday and Sunday - CLOSED

+44 (0)20 3404 5254

mailgastro@pm.me

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Expert Diarrhoea Treatment and Relief in the UK

Struggling with the runs or persistent diarrhoea? Get expert help today! 

Book Your Consultation Today
Diarrhoea Treatment
What is Diarrhoea? A girl suffering from Diarrhoea

About Diarrhoea

What is Diarrhoea ?

Diarrhoea refers to frequent, loose, or watery bowel movements often caused by digestive system disturbances. It can result from infections, dietary triggers, or chronic health conditions. Acute diarrhoea is common and short-lived, while chronic diarrhoea lasts for weeks and may indicate an underlying issue. 

Let’s take a closer look at what causes, symptoms and how to manage it effectively.

Causes and Types of Diarrhoea

Causes of Diarrhoea

Infections

Infections

Viral, bacterial, or parasitic infections like norovirus or E. coli.

Dietary factors

Dietary factors

Food allergies, intolerances (e.g., lactose), or contaminated food.

Medications

Medications

Antibiotics, laxatives, or certain medications may trigger diarrhoea.

Underlying health conditions

Underlying health conditions

Irritable Bowel Syndrome (IBS), Crohn’s disease, or bile acid diarrhoea.

Lifestyle factors

Lifestyle factors

Stress, overeating, or excessive alcohol consumption.

Understanding Diarrhoea

UNDERSTANDING Diarrhoea

Types Of Diarrhoea

  • Acute Diarrhoea – Short-term, often caused by infections or dietary changes.
  • Chronic Diarrhoea – Persistent diarrhoea lasting over 4 weeks, linked to medical conditions.
  • Osmotic Diarrhoea – Results from poorly absorbed substances in the bowel.
  • Secretory Diarrhoea – Caused by increased secretion of water into the intestines.
  • Motility related Diarrhoea – Post surgical, hyperthyroidism
  • Fatty diarrhoea (steatorrhoea) – Bile salt malabsorption, Pancreatic insufficiency 

Common Symptoms of Diarrhoea

Recognizing Abdominal Distress

watery stools

Frequent, loose, or watery stools. 

bloating.

Abdominal cramping or bloating.

Fever

Nausea, vomiting, or fever.

Dehydration

Dehydration signs like dizziness, dry mouth, or fatigue.

When to Seek Medical Attention 

diarrhoea

Persistent diarrhoea lasting
over 3 days.

abdominal pain

Severe abdominal pain
or high fever. 

Blood in stools

Blood in stools or rectal bleeding. 

dehydration

Symptoms of dehydration
or weakness. 

Diarrhoea

Diarrhoea following recent travel or medication changes. 

Diarrhoea Effective treatment

Effective Treatments for Diarrhoea

From Rest to Resection – Navigating Treatment Options.

  • Rehydration therapy – Oral rehydration solutions (ORS) to replenish lost fluids and electrolytes. 
  • Medications – Metformin
    Anti-diarrhoeal drugs (e.g., loperamide) or antibiotics for bacterial infections.
  • Probiotics – To restore gut flora balance, especially after antibiotic use.
  • Dietary changes – Avoiding irritants like spicy or fatty foods and opting for bland diets.
  • Addressing underlying causes – Treating chronic conditions like IBS, colitis (infection, inflammatory bowel disease), pancreatic insufficiency etc 
    Ulcerative colitis, sometime sinister causes such as cancerous growths 

Treatment plans are tailored based on the severity of the condition and individual health needs. 

Stay at Ease, Tummy at Peace

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Managing Diarrhoea with Diet and Lifestyle

Tips to keep your gut healthy

Food

Foods to Avoid During Diarrhoea

  • Dairy products (e.g., milk, cheese) if lactose intolerant. 
  • Fried, greasy, or high-fat foods. 
  • Foods high in insoluble fibre during acute diarrhoea. 
  • Certain foods- High FODMAP diet, artificial sweeteners (contaminated food usually means infection)
Recommended Foods for Recovery

Recommended Foods for Recovery

  • Clear broths and herbal teas to stay hydrated. 
  • Probiotic-rich foods like yogurt (if tolerated) for gut health.
  • BRAT diet: Bananas, rice, applesauce, and toast. 
  • Elemental diet is also used for treatment of inflammatory bowel disease 
Lifestyle Tips

Lifestyle Tips

  • Hydration: Drink water, ORS, or electrolyte drinks to combat dehydration. 
  • Rest: Allow your digestive system to recover by avoiding physical stress. 
  • Good hygiene: Wash hands regularly to prevent the spread of infections. 
  • Omit overeating, Quit Nicotine, Increase physical activity.
Dr. Arun

Comprehensive Care for Diarrhoea in the UK

At our clinic, we provide: 

  • Accurate Diagnosis: Identifying the underlying cause through thorough assessments and lab tests. 
  • Personalised Care Plans: Tailored treatments for both acute and chronic diarrhoea cases. 
  • Dietary Guidance: Expert advice on recovery-focused diets and long-term prevention. 
  • Specialist Support: Advanced care for IBS, Crohn’s disease, and bile acid diarrhoea. .

Take control of your digestive health with our expert care and guidance. 

Schedule Your Consultation Today

Patient Reviews & Testimonials

Dr Arun Rajendran has been treating patients for over 10 years and prides himself
on the warm, friendly and efficient treatment of gastro conditions.

Our Health Insurance Partners

We are a self-pay clinic but also work with the the major UK healthcare insurance providers.