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Common Water-borne Diseases and Their Prevention

Learn about common water-borne diseases, their causes, symptoms, and health risks. Explore effective prevention methods to protect yourself and your family from contaminated water.

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Written by Dr. Vasanthasree Nair

Reviewed by Dr. J T Hema Pratima MBBS

Last updated on 13th Aug, 2025

Clean water is essential for good health, but contaminated water can lead to serious illnesses. Water-borne diseases are caused by harmful microorganisms like bacteria, viruses, and parasites that thrive in unclean water. These diseases are common in areas with poor sanitation, but they can affect anyone if proper precautions aren’t taken.

In this article, we’ll discuss the most common water-borne diseases, their symptoms, causes, and most importantly, how to prevent them.

Common Water-Borne Diseases

Below are a few common water-borne diseases,

1. Cholera

Caused by: Vibrio cholerae bacteria

How it spreads: Contaminated water or food

Symptoms:

  • Severe diarrhea (often watery and pale)

  • Vomiting

  • Dehydration (dry mouth, sunken eyes, low blood pressure)

  • Muscle cramps

Cholera can be life-threatening if not treated promptly. Rehydration is crucial.

2. Typhoid Fever

Caused by: Salmonella typhi bacteria

How it spreads: Contaminated water, food, or poor hygiene

Symptoms:

  • High fever (up to 104°F)

  • Weakness and fatigue

  • Stomach pain

  • Headache

  • Loss of appetite

Typhoid can lead to serious complications if untreated, so antibiotics are often needed.

3. Hepatitis A

Caused by: Hepatitis A virus

How it spreads: Contaminated water or food, poor sanitation

Symptoms:

  • Jaundice (yellow skin/eyes)

  • Dark urine

  • Fatigue

  • Nausea and vomiting

  • Fever

Hepatitis A affects the liver, but most people recover fully with rest and hydration.

4. Dysentery (Bacillary or Amoebic)

Caused by: Shigella (bacterial) or Entamoeba histolytica (parasitic)

How it spreads: Contaminated water, food, or poor hygiene

Symptoms:

  • Bloody or mucus-filled diarrhea

  • Stomach cramps

  • Fever

  • Dehydration

Severe cases may require antibiotics or antiparasitic medication.

5. Giardiasis

Caused by: Giardia lamblia parasite

How it spreads: Drinking contaminated water (even in pools or lakes)

Symptoms:

  • Watery, foul-smelling diarrhea

  • Bloating and gas

  • Stomach cramps

  • Nausea

Giardiasis can last for weeks if untreated.

6. Leptospirosis

Caused by: Leptospira bacteria (from animal urine in water)

How it spreads: Contact with contaminated water (floods, rivers)

Symptoms:

  • High fever

  • Muscle pain

  • Headache

  • Red eyes

  • Jaundice (in severe cases)

Leptospirosis can lead to kidney or liver damage if untreated.

Consult a Top Specialist

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

IMAGE
Dr Summaiya Banu, General Practitioner

Dr Summaiya Banu

General Practitioner

8 Years • MBBS

Hyderabad

Apollo 24|7 Clinic, Hyderabad

recommendation

82%

(225+ Patients)

660

IMAGE
Dr. Siri Nallapu, General Practitioner

Dr. Siri Nallapu

General Practitioner

5 Years • MBBS

Hyderabad

Apollo 24|7 Clinic, Hyderabad

660

Dr. Soumen Paul, General Physician/ Internal Medicine Specialist

Dr. Soumen Paul

General Physician/ Internal Medicine Specialist

24 Years • MBBS

Kolkata

MCR SUPER SPECIALITY POLY CLINIC & PATHOLOGY, Kolkata

recommendation

82%

(25+ Patients)

850

750

How Do Water-Borne Diseases Affect Health?

Water-borne infections can range from mild stomach upsets to life-threatening conditions. They often cause:

  • Severe dehydration (due to diarrhea/vomiting)

  • Malnutrition (due to poor nutrient absorption)

  • Long-term organ damage (in cases like Hepatitis A or Leptospirosis)

  • Weakened immunity, making the body more prone to other infections

Children, the elderly, and those with weak immune systems are at higher risk.

How to Prevent Water-Borne Diseases

Below are the ways to prevent water-borne diseases,

1. Drink Safe Water

  • Boil water for at least 1 minute before drinking.

  • Use water purifiers (RO/UV filters).

  • If unsure, drink bottled water from trusted brands.

2. Maintain Hygiene

  • Wash hands with soap before eating and after using the toilet.

  • Avoid touching your face with unwashed hands.

3. Eat Clean Food

  • Wash fruits and vegetables thoroughly.

  • Avoid raw or undercooked seafood.

  • Eat freshly cooked food.

4. Avoid Contaminated Water Sources

  • Do not swim in or drink from stagnant water (ponds, lakes).

  • Ensure swimming pools are properly chlorinated.

5. Get Vaccinated (Where Available)

  • Typhoid vaccine (recommended for travelers)

  • Hepatitis A vaccine (especially for children)

6. Keep Surroundings Clean

  • Dispose of waste properly to prevent water contamination.

  • Ensure proper sewage systems to avoid waterlogging.

When to See a Doctor?

Seek medical help if you experience:

  • Persistent diarrhea or vomiting (more than 2 days)

  • Blood in stool

  • High fever with dehydration

  • Severe weakness or confusion

Early treatment can prevent complications. If you suspect a water-borne infection, consult a doctor immediately.

Final Thoughts

Water-borne diseases are preventable with simple hygiene and safe water practices. By staying cautious and taking preventive steps, you can protect yourself and your family from these infections.

Consult a Top Specialist

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

IMAGE
Dr Summaiya Banu, General Practitioner

Dr Summaiya Banu

General Practitioner

8 Years • MBBS

Hyderabad

Apollo 24|7 Clinic, Hyderabad

recommendation

82%

(225+ Patients)

660

IMAGE
Dr. Siri Nallapu, General Practitioner

Dr. Siri Nallapu

General Practitioner

5 Years • MBBS

Hyderabad

Apollo 24|7 Clinic, Hyderabad

660

Dr. Soumen Paul, General Physician/ Internal Medicine Specialist

Dr. Soumen Paul

General Physician/ Internal Medicine Specialist

24 Years • MBBS

Kolkata

MCR SUPER SPECIALITY POLY CLINIC & PATHOLOGY, Kolkata

recommendation

82%

(25+ Patients)

850

750

Consult a Top Specialist

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

IMAGE
Dr Summaiya Banu, General Practitioner

Dr Summaiya Banu

General Practitioner

8 Years • MBBS

Hyderabad

Apollo 24|7 Clinic, Hyderabad

recommendation

82%

(225+ Patients)

660

IMAGE
Dr. Siri Nallapu, General Practitioner

Dr. Siri Nallapu

General Practitioner

5 Years • MBBS

Hyderabad

Apollo 24|7 Clinic, Hyderabad

660

Dr. Ramyajit Lahiri, General Physician/ Internal Medicine Specialist

Dr. Ramyajit Lahiri

General Physician/ Internal Medicine Specialist

7 Years • MBBS,MD

New Town

AESTHETICAROOTS, New Town

1000

1000

Dr. Soumen Paul, General Physician/ Internal Medicine Specialist

Dr. Soumen Paul

General Physician/ Internal Medicine Specialist

24 Years • MBBS

Kolkata

MCR SUPER SPECIALITY POLY CLINIC & PATHOLOGY, Kolkata

recommendation

82%

(25+ Patients)

850

750

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