What is Hepatitis?

July 30, 2023

World Hepatitis Day was recently observed on July 28

About World Hepatitis Day:

  • It is observed each year on July 28 to raise awareness of viral hepatitis, which causes inflammation of the liver that leads to severe disease and liver cancer.
  • It is recognized by the World Health Organization (WHO).
  • The theme for World Hepatitis Day 2023 is "We're not waiting". This theme highlights the need for urgent action to eliminate viral hepatitis by 2030.
  • Why July 28?
    • July 28 is the birthday of Dr. Baruch Blumberg (1925–2011). 
    • Blumberg discovered the hepatitis B virus in 1967, and 2 years later, he developed the first hepatitis B vaccine. 
    • These achievements culminated in Dr. Blumberg winning the Nobel Prize in Physiology or Medicine in 1976. 

What is Hepatitis?

  • Hepatitis is inflammation of the liver.
  • Inflammation is swelling that happens when tissues of the body are injured or infected.
  • It can damage your liver. This swelling and damage can affect how well your liver functions.
  • Hepatitis can be an acute (short-term) infection or a chronic (long-term) infection. 
  • What causes hepatitis? There are different types of hepatitis, with different causes:
    • Viral hepatitis is the most common type. It is caused by one of several viruses -- hepatitis viruses A, B, C, D, and E.
    • Alcoholic hepatitis is caused by heavy alcohol use.
    • Toxic hepatitis can be caused by certain poisons, chemicals, medicines, or supplements.
    • Autoimmune hepatitis is a chronic type in which your body's immune system attacks your liver. The cause is not known, but genetics and your environment may play a role.
  • How is viral hepatitis spread?
    • Hepatitis A and hepatitis E usually spread through contact with food or water that is contaminated with an infected person's You can also get hepatitis E by eating undercooked food.
    • Hepatitis B, hepatitis C, and hepatitis D spread through contact with the blood of someone who has the disease. 
    • Hepatitis B and D may also spread through contact with other body fluids. This can happen in many ways, such as sharing drug needles or having unprotected sex.
  • Symptoms: Some people with hepatitis do not have symptoms and do not know they are infected. Common symptoms include:
  • Fever
    • Fatigue
    • Loss of appetite
    • Nausea and/or vomiting
    • Abdominal pain
    • Dark urine
    • Clay-coloured bowel movements
    • Joint pain
    • Jaundice, yellowing of your skin and eyes
  • Treatment:
    • Treatment for hepatitis depends on which type you have and whether it is acute or chronic.
    • Acute viral hepatitis often goes away on its own. 
    • There are different medicines to treat the different chronic types of hepatitis.
    • Possible other treatments may include surgery and other medical procedures.