Acute hepatitis C (AHC) is an increasing health issue. Despite the decline of blood-to-blood transmission of hepatitis C virus (HCV) through donor screening programs and a decline in intravenous drug use, the incidence of sexual transmission has now increased, particularly in HIV-infected homosexual patients. The presentation is almost always asymptomatic, which complicates diagnosis. Spontaneous clearance of the virus occurs in 25% of cases and usually, within the first three months after onset of symptoms and in symptomatic patients. If serum HCV-RNA remains detectable after this period, antiviral treatment should be started without delay, since sustained viral response rate in the acute phase is higher than that achieved with chronic liver disease. The optimal treatment regimen (interferon alone or combined with ribavirin) and its duration are not clearly established at the present time.
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