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Although genotype tests are not used to diagnose HCV infection,
they may be done before treatment begins. Knowing the genotype may help a
doctor choose the best treatment plan. You should know your genotype before
The antiviral medicines peginterferon and ribavirin are more likely to work for people who have
genotype 2 or 3. These medicines also are used to treat people who have genotypes 5 and 6.
For people who have genotype 1, another medicine, such as boceprevir or telaprevir, is used along with peginterferon and ribavirin to treat hepatitis C.
If blood tests show that you have responded to antiviral therapy
(the virus is not detected in your blood) after 6 months, treatment may
Continued for another 6 months, if you are
infected with genotype 1.
Stopped, if you are infected with
genotype 2 or 3. Prolonging treatment does not seem to provide any more
The genotype of HCV does not appear to have any effect on the
severity of HCV infection or to affect your risk of developing cancer of the
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
June 27, 2013
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this