What is hepatitis C (hep C)?
Hepatitis (hep C) is a form of viral hepatitis. Hepatitis C causes acute and chronic liver disease. Hepatitis C is transmitted when the virus in infected blood from one person infects another person. Hepatitis C disease is caused by a virus termed HCV (a single strand RNA virus) that infects liver cells. Hepatitis C was referred to in older scientific publications as non-A or non-B hepatitis.
Is hepatitis C contagious?
Hepatitis C is contagious. It is mainly transmitted via blood-to-blood transfer. This transmission can occur by
- sharing needles,
- acupuncture,
- tattoo needles,
- surgical or diagnostic instruments,
- sexual contact, and
- organ transplants.
Casual contact (including exposure to saliva and skin to skin such as with a handshake or) rarely, if ever, can transmit hepatitis C virus.
How long before I know I'm infected and have hepatitis C?
The incubation period (time from exposure to the virus to symptom development) for hep C is variable. The time period may vary from about 2 weeks to 6 months with 6-10 weeks being the average time span. However, about 80% of those infected may not develop acute symptoms.
Symptoms of hepatitis C develop slowly and include
About 70%-90% of infected people do not clear the virus and become chronic carriers. Tests for diagnosing the hepatitis C virus include detecting antibodies to the virus and a PCR test that detects virus antigens.
QUESTION
Hepatitis C virus causes an infection of the ______________. See AnswerHow does hepatitis C spread?
Hepatitis C spreads from person to person, usually by direct contact with another person's blood who is infected with hepatitis C virus. Individuals who share needles are at a high risk to become infected. Surgical and other instruments that are not properly decontaminated can also spread hepatitis C to others. Moreover, some patients that receive organ transplants from individuals that have the virus, but no symptoms, can transmit the disease to the organ transplant recipient.
How will you know when you are no longer contagious and cured of hepatitis C?
Treatments are usually long-term (for example, 12-24 weeks ) and a person is not considered "cured" until 6 months have passed with no virus detected in their blood samples. Treatments are varied according to the individual's disease.
When should you call a doctor if you think you may have hepatitis C?
If a person develops one or more of the following symptoms, they should seek medical care:
- About 1-3 days of nausea and vomiting that is not improving
- Yellowish color to the skin and/or the eyes
- Dark urine
- Abdominal pain
Let your doctor know if you shared needles with someone or you have had contact with anyone who has been diagnosed with hepatitis C.
If a person is known to have hepatitis C and develops severe nausea and vomiting, abdominal pain, and/or mental status changes (confusion or unresponsiveness, for example), they should be evaluated in an emergency department immediately.
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Bilirubin Test
Bilirubin is a waste product of the normal breakdown of red blood cells in the liver. Normal bilirubin levels vary from lab to lab, and range from around 0.2 to 1.2 mg/dL. High levels of bilirubin can be diagnosed with a bilirubin blood test. Causes of elevated levels of bilirubin in the blood can be caused by infections, viral hepatitis, anemia, genetic diseases, and liver problems. Symptoms of elevated bilirubin levels depend on the cause; however, jaundice is a common sign. Treatment for elevated bilirubin levels depend on the cause.
Cirrhosis (Liver)
Cirrhosis of the liver refers to a disease in which normal liver cells are replaced by scar tissue caused by alcohol and viral hepatitis B and C. This disease leads to abnormalities in the liver's ability to handle toxins and blood flow, causing internal bleeding, kidney failure, mental confusion, coma, body fluid accumulation, and frequent infections.Symptoms include yellowing of the skin (jaundice), itching, and fatigue.
The prognosis is good for some people with cirrhosis of the liver, and the survival can be up to 12 years; however the life expectancy is about 6 months to 2 years for people with severe cirrhosis with major complications.
Drug Abuse and Addiction
Drug abuse and addiction is a chronic disease that causes drug-seeking behavior and drug use despite negative consequences to the user and those around him. Though the initial decision to use drugs is voluntary, changes in the brain caused by repeated drug abuse can affect a person's self-control and ability to make the right decisions and increase the urge to take drugs. Drug abuse and addiction are preventable.
Hepatitis C Slideshow
What is hepatitis C (Hep C, HVC)? Learn about hepatitis C symptoms, how you get Hep C, contagiousness, and treatment for hepatitis C.
Hepatitis C Quiz
How many Americans have hepatitis C? Take this quiz to learn the facts about this chronic disease.
Hepatitis C, Hep B, Hep A: Symptoms, Causes, Treatment
Hepatitis C, B, and A are viruses that cause liver inflammation. Hepatitis B vaccines and hepatitis A vaccines are available. Hepatitis symptoms may not appear for weeks to months after infection. Hepatitis A transmission occurs most often via contaminated food. Hepatitis B and hepatitis C transmission require contact with infected bodily fluids or blood.
What Is Viral Hepatitis? How You Catch Hepatitis A, B, and C
Hepatitis C virus and hepatitis B can make an infected person very sick and they are risk factors for liver cancer, liver disease, liver failure, and liver damage. Prior to 1992, blood transfusion was a risk for contracting hepatitis C infection. Hepatitis B and C are blood-borne infections, while hepatitis A is easier to catch, but less serious.
How Does a Person Get Hepatitis?
There are various types of hepatitis, which a person can get by food or water contaminated with the fecal matter of an infected person, sexual contact, blood transfusion, sharing needles, direct contact with an infected person’s blood or body fluid, transfer from mother to the fetus, tattoo needles, or needle prick.
Jaundice in Adults (Hyperbilirubinemia)
Jaundice or hyperbilirubinemia in adults is caused by an underlying disease or condition. Learn about when to worry about jaundice in adults, symptoms, treatment, causes, diagnosis, and prevention.
Liver (Anatomy and Function)
The liver is the largest gland and organ in the body. There are a variety of liver diseases caused by liver inflammation, scarring of the liver, infection of the liver, gallstones, cancer, toxins, genetic diseases, and blood flow problems. Symptoms of liver disease generally do not occur until the liver disease is advanced. Some symptoms of liver disease include jaundice, nausea and vomiting, easy bruising, bleeding excessively, fatigue, weakness, weight loss, shortness of breath, leg swelling, impotence, and confusion. Treatment of diseases of the liver depends on the cause.
Liver Blood Tests
An initial step in detecting liver damage is a simple blood test to determine the presence of certain liver enzymes in the blood. Under normal circumstances, these enzymes reside within the cells of the liver. But when the liver is injured, these enzymes are spilled into the blood stream, and can lead to diseases like fatty liver, type 2 diabetes, obesity, and hepatitis. Several medications also can increase liver enzyme test results.
Liver Disease
Liver disease can be cause by a variety of things including infection (hepatitis), diseases, for example, gallstones, high cholesterol or triglycerides, blood flow obstruction to the liver, and toxins (medications and chemicals). Symptoms of liver disease depends upon the cause and may include nausea, vomiting, upper right abdominal pain, and jaundice. Treatment depends upon the cause of the liver disease.
PCR (Polymerase Chain Reaction)
PCR (polymerase chain reaction) is a method to analyze a short sequence DNA or RNA. PCR (polymerase chain reaction) has many uses, for example, it is used to diagnose genetic diseases, establish paternity or biological relationships, DNA fingerprinting, DNA forensics, and finding bacteria and viruses.
What Can a Liver Biopsy Diagnose?
A liver biopsy is a procedure that involves inserting a small needle into the liver to collect a tissue sample. The tissue is then analyzed in a lab to help the doctors diagnose a variety of disorders and diseases of the liver. A liver biopsy is usually performed to help identify the cause of liver ailments, and estimate the degree of liver damage, grade and stage of hepatitis B and C. Complications include internal bleeding, pain, infections, leak of bile from the liver or gallbladder, and pneumothorax.