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What is hepatitis C?

Hepatitis is inflammation of the liver. Inflammation is swelling that happens when tissues of the body are injured or infected. Inflammation can damage organs.

There are different types of hepatitis. One type, hepatitis C, is caused by the hepatitis C virus (HCV). Hepatitis C can range from a mild illness lasting a few weeks to a serious, lifelong illness.

Hepatitis C can be acute or chronic:

• Acute hepatitis C is a short-term infection. The symptoms can last up to 6 months. Sometimes your body is able to fight off the infection and the virus goes away. But for most people, an acute infection leads to chronic infection.
• Chronic hepatitis C is a long-lasting infection. If it is not treated, it can last for a lifetime and cause serious health problems, including liver damage, cirrhosis (scarring of the liver), liver cancer, and even death.

Hepatitis C spreads through contact with the blood of someone who has HCV. This contact may be through:

• Sharing drug needles or other drug materials with someone who has HCV. In the United States, this is the most common way that people get hepatitis C.
• Getting an accidental stick with a needle that was used on someone who has HCV. This can happen in health care settings.
• Being tattooed or pierced with tools or inks that were not sterilized after being used on someone who has HCV
• Having contact with the blood or open sores of someone who has HCV
• Sharing personal care items that may have come in contact with another person's blood, such as razors or toothbrushes
• Being born to a mother with HCV
• Having unprotected sex with someone who has HCV

Before 1992, hepatitis C was also commonly spread through blood transfusions and organ transplants. Since then, there has been routine testing of the U.S. blood supply for HCV. It is now very rare for someone to get HCV this way.

You are more likely to get hepatitis C if you:

• Have injected drugs
• Had a blood transfusion or organ transplant before July 1992
• Have hemophilia and received clotting factor before 1987
• Have been on kidney dialysis
• Have been in contact with blood or infected needles at work
• Have had tattoos or body piercings
• Have worked or lived in a prison
• Were born to a mother with hepatitis C
• Have HIV
• Have had more than one sex partner in the last 6 months
• Have had a sexually transmitted disease
• Are a man who has had sex with men (MSM)

If you are at high risk for hepatitis C, your health care provider will likely recommend that you get tested for it.

Most people with hepatitis C have no symptoms. Some people with acute hepatitis C do have symptoms within 1 to 3 months after they are exposed to the virus. These symptoms may include:

• Dark yellow urine
• Fatigue
• Fever
• Gray- or clay-colored stools
• Joint pain
• Loss of appetite
• Nausea and/or vomiting
• Pain in your abdomen (belly)
• Jaundice (yellowish eyes and skin)

If you have chronic hepatitis C, you probably will not have symptoms until it causes complications. This can happen decades after you were infected. For this reason, hepatitis C screening is important, even if you have no symptoms.

Without treatment, hepatitis C may lead to cirrhosis, liver failure, and liver cancer. Early diagnosis and treatment of hepatitis C can prevent these complications.

Providers diagnose hepatitis C based on your medical history, a physical exam, and blood tests.

If you do have hepatitis C, you may need additional tests to check for liver damage. These tests may include other blood tests, an ultrasound of the liver, and a liver biopsy.

Treatment for hepatitis C is with antiviral medicines. They can cure the disease in most cases.

If you have acute hepatitis C, your provider may wait to see if your infection becomes chronic before starting treatment.

If your hepatitis C causes cirrhosis, you should see a doctor who specializes in liver diseases. Treatments for health problems related to cirrhosis include medicines, surgery, and other medical procedures. If your hepatitis C leads to liver failure or liver cancer, you may need a liver transplant.

There is no vaccine for hepatitis C. But you can help protect yourself from hepatitis C infection by:

• Not sharing drug needles or other drug materials.
• Wearing gloves if you have to touch another person's blood or open sores.
• Making sure your tattoo artist or body piercer uses sterile tools and unopened ink.
• Not sharing personal items such toothbrushes, razors, or nail clippers.
• Using a latex condom during sex. If your or your partner is allergic to latex, you can use polyurethane condoms.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases

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