Hepatitis B - Hepatitis B Differentials Viral diseases...

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Hepatitis B Differentials: Viral diseases – yellow fever, EBV, HIV, rubella, rubeola, adenovirus, herpes simplex and zoster Nonviral disease – alcoholic hepatitis, drug induced, toxoplasmosis Definition: Hepatitis B is an acute infection of the liver parenchymal cells caused by the hepatitis B virus (HBV). More than 90% of adult patients will recover on their own. There are two phases: Acute (usually < 6 weeks) - refers to newly acquired infections. Affected individuals notice symptoms approximately 1 to 4 months after exposure to the virus. In most people with acute hepatitis, symptoms resolve over weeks to months and they are cured of the infection. However, a small number of people develop a very severe, life-threatening form of acute hepatitis called fulminant hepatitis. Chronic (usually > 6 weeks) – an infection with HBV that lasts longer than 6 months. Once the infection becomes chronic, it may never go away completely. Etiology: Contact with hepatitis B virus through birth, intercourse, drug use o Blood o Fecal matter Signs and Symptoms: Asymptomatic Appetite Loss Fatigue Nausea and Vomiting Pruritus all over the body
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