Infectious Liver Disease: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Infectious Liver Disease?
A gastroenterologist treats digestive system problems, including the liver. Some train only in liver disease and are called hepatologists. Most people start with a primary care doctor, who can order blood tests and refer to a specialist if needed. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What is infectious liver disease?
Infectious liver disease is liver damage or swelling caused by germs such as viruses, bacteria, or parasites. The most common type is viral hepatitis. Some infections go away on their own; others last for years and need ongoing care.
The liver cleans your blood, helps digest food, and stores energy. When germs infect it, the liver can swell and may not work as well as it should. Hepatitis A, B, and C are the viruses that most often cause this.
Symptoms
Some people feel fine at first, especially with hepatitis B or C, which can hide in the body for years. When symptoms appear, they often include tiredness, nausea, and pain in the upper right belly. Skin or eyes may turn yellow, a sign called jaundice.
Causes and who gets it
Hepatitis A usually spreads through food or water that has touched the stool of an infected person. Hepatitis B and C spread through blood, most often from shared needles or unclean tattoo equipment.
How doctors diagnose it
Doctors start with a health history and physical exam. Blood tests can show whether the liver is stressed and find signs of hepatitis viruses. Sometimes doctors order an ultrasound, and in some cases a liver biopsy.
Treatment
Hepatitis A usually clears on its own with rest and fluids. Hepatitis B often needs regular checkups, and some people take antiviral medicines. Hepatitis C can now be cured in most people with antiviral pills. Vaccines prevent hepatitis A and B, but not hepatitis C.
When to see a doctor
Call a doctor if you have yellow skin or eyes, dark urine, belly pain, or vomiting that will not stop. Get care right away if you feel confused, very sleepy, or are vomiting blood.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance. A concierge doctor usually charges more and often works alongside insurance. Either can order hepatitis screening blood tests and refer you to a specialist if needed.
Common questions
Can infectious liver disease go away on its own?
Hepatitis A usually clears up within a few weeks or months without lasting harm. Some adults with hepatitis B also clear the virus naturally. Hepatitis C more often becomes long lasting without treatment, so testing matters.
Is there a vaccine for hepatitis?
Vaccines exist for hepatitis A and hepatitis B. Both are part of routine childhood vaccination in the United States. There is no vaccine for hepatitis C. Avoiding shared needles and unclean tattoo equipment helps lower that risk.
Can I get hepatitis from my food?
Hepatitis A can spread through food or water contaminated with the stool of an infected person. Washing hands well and getting vaccinated lower the risk. Outbreaks have been linked to contaminated produce and restaurant food.
Does liver infection always cause jaundice?
No, many people never turn yellow. Jaundice is more common when the liver is badly affected. That is why blood tests are often the only way to find the problem early.
Sources
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
