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30 July 2026

Hepatitis – Causes, Symptoms & Prevention

Hepatitis – Causes, Symptoms & Prevention
Author

Dr. lqbal Murshed Kabir

Author

What is Hepatitis?

Hepatitis is an inflammation of the liver that affects its ability to function properly. It can be caused by viral infections, excessive alcohol consumption, certain medications, autoimmune diseases, or exposure to harmful toxins. The most common types are Hepatitis A, B, C and E. While some forms are short-term and resolve on their own, others can become chronic and increase the risk of liver cirrhosis, liver failure, and liver cancer. Early diagnosis and timely treatment are essential to prevent serious complications.

Causes of Hepatitis

  • Infection with Hepatitis A, B, C or E viruses 
  • Consumption of contaminated food or water (especially Hepatitis A and E) 
  • Contact with infected blood or body fluids 
  • Sharing contaminated needles or syringes 
  • Unprotected sexual contact with an infected person 
  • Mother-to-child transmission during childbirth (mainly Hepatitis B) 
  • Excessive alcohol consumption 
  • Certain medications or toxic chemicals 
  • Autoimmune diseases that attack the liver 

Symptoms of Hepatitis

Some people may have no symptoms, especially in the early stages. When symptoms occur, they may include:

  • Fever 
  • Fatigue and weakness 
  • Loss of appetite 
  • Nausea and vomiting 
  • Pain in the upper right side of the abdomen 
  • Dark-colored urine 
  • Pale or clay-colored stool 
  • Yellowing of the skin and eyes (jaundice) 
  • Joint pain 
  • Unexplained weight loss (in chronic cases) 

How to Prevent Hepatitis

Vaccination is the most effective way to prevent Hepatitis A and B. Maintain good personal hygiene, drink safe water, and eat properly cooked food. Avoid sharing needles, razors, or toothbrushes, practice safe sex, and ensure that blood transfusions and medical procedures are performed using sterile equipment. Avoid excessive alcohol consumption and have regular health check-ups if you are at risk. Early diagnosis and appropriate treatment can significantly reduce the risk of long-term liver damage.