PDF of this Fact Sheet
Hepatitis C (HCV) is the virus that
causes the liver disease Hepatitis C.
HCV is found primarily in the blood. Hepatitis C can be both a short-term
(acute) illness and an ongoing (chronic) infection that may gradually damage
the liver. An estimated 75-85% of HCV-infected persons will develop chronic
infection. In the US, chronic HCV is the most common reason for liver
HCV is spread mainly by exposure to
blood and blood products.
HCV is spread when the blood of an infected person enters the
body of a person who is not infected. Mainly this involves direct passage of
blood through the skin, i.e. through sharing needles or “works” when injecting
drugs. Much less often, sexual or mother-to-child transmission may occur. It is
not spread by casual contact such as hugging, sharing food utensils, or sharing
a bathroom. HCV is not spread by breastfeeding.
Persons at highest risk for infection include people who:
Other risk groups include:
Symptoms to look
Many persons have no symptoms of HCV infection. If a person does develop symptoms, , these symptoms
may appear about 6 to 8 weeks after exposure, but this time period can vary
among individuals. Some persons find out they are infected only after lab tests
are done (for example, after giving blood).
Diagnosis depends on a blood test.
Testing for HCV is recommended if a person is in one or more of the
increased risk categories listed above or has an undiagnosed liver problem.
When you test positive for anti-HCV (screening test), it means you have been
infected with HCV. It does not tell you whether you currently have HCV. Most
people will still have the virus six months after infection (chronic), but
15-25% of persons have antibodies, but not the virus. In these people the
immune system was able to get rid of the virus. Generally a confirmation test
Treatment is available for some people with HCV.
There is treatment for HCV, and the medications used depends on the genetic
makeup (or genotype) of the virus. The effectiveness of the treatment varies
according to many factors, including the genotype, treatment regimen, and
characteristics of the infected person. Consultation with a healthcare provider is
needed to discuss treatment options we well as other ways to protect the liver, for example, by not
drinking alcohol and avoiding certain medicines.
Prevent hepatitis C by avoiding
exposure and practicing good hygiene.
Injecting drug users should not share needles or works with others. The use of
latex condoms may decrease the risk of catching or passing HCV through sex.
Persons with hepatitis C should get vaccination against
hepatitis A and hepatitis B.
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