What is Hepatitis B

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Hepatitis B is a serious hepatitis B virus (HBV). For some people, hepatitis B infection becomes chronic, meaning it lasts for more than six months. Chronic hepatitis B increases the risk of liver failure, liver cancer or cirrhosis - a condition that permanently scarred the liver.
What is Hepatitis B


Most adults with hepatitis B recover completely, even if their signs and symptoms are severe. Infants and children may be infected with chronic hepatitis B (long-term).

The vaccine can prevent hepatitis B, but there is no cure if you have the condition. If you are infected, taking some precautions may help prevent the spread of the virus to others.

Symptoms
Signs and symptoms of hepatitis B vary from mild to severe. It usually appears one to four months after you get the infection, although you can see it two weeks after the infection. Some symptoms may not appear on some people, usually young children.

Signs and symptoms of hepatitis B may include:

Stomach ache
Dark urine
Homa
Joint pain
Anorexia
Vomiting and nausea
Weakness and fatigue
Yellowing your skin and whitening your eyes (jaundice)
When you see a doctor
If you know you have hepatitis B, contact your doctor immediately. Preventive therapy may reduce the risk of infection if you receive treatment within 24 hours of exposure to the virus.

If you think you have signs or symptoms of hepatitis B, contact your doctor.

Request an appointment in Mayo Clinic
the reasons
Hepatitis B infection is caused by hepatitis B virus (HBV). The virus travels from one person to another through blood, semen or other body fluids. Do not spread by sneezing or coughing.

Common methods that can spread the hepatitis B virus are:

Sexual intercourse. You may become hepatitis B if you have unprotected sex with an infected person. The virus can spread to you if the person's blood, saliva, semen, or vaginal secretion enters your body.
Sharing needles. The HBV virus spreads easily through infected needles and syringes. The involvement of pharmacokinetics IV compounds increases the risk of hepatitis B.
Cross needle sticks. Hepatitis B is a concern for health care workers and anyone else who is in contact with human blood.
Mother to Child. Pregnant women with HBV can transmit the virus to their babies during childbirth. However, newborns can be immunized to avoid infection in almost all cases. Talk to your doctor about the hepatitis B test if you are pregnant or want to get pregnant.
Acute hepatitis B vs
Hepatitis B infection may be either short-term (acute) or long-term (chronic).

The acute hepatitis infection lasts less than six months. Your immune system will probably remove acute hepatitis B from your body and must fully recover within a few months. Most people with hepatitis B suffer from an acute infection, but can lead to chronic infection.
Chronic hepatitis B infection lasts six months or more. It remains because the immune system cannot resist infection. Chronic hepatitis B infection may persist for life, which can lead to serious diseases such as liver cirrhosis and liver cancer.
The younger you are when you get hepatitis B - especially newborns or children under the age of 5 - the higher your risk of infection. Chronic infection may not be discovered for decades until a person becomes seriously ill because of liver disease.

Risk factors
Hepatitis B spreads through contact with blood, semen, or other body fluids from an infected person. The risk of hepatitis B increases if you:

Unprotected sex with multiple sexual partners or with someone infected with the hepatitis B virus
Participation of needles during drug abuse IV
Is the man who fucked with other men
Live with someone with chronic viral hepatitis
Is a baby born to an infected mother?
You have a job that exposes you to human blood
Travel to areas with high rates of hepatitis B infection, such as Asia, the Pacific Islands, Africa and Eastern Europe
Multiples
Chronic HBV infection can lead to serious complications, such as:

Liver scarring (cirrhosis). Inflammation associated with hepatitis B infection can lead to extensive liver scarring (liver cirrhosis), which may impair the ability of the liver to function.
Liver Cancer. People with chronic hepatitis have an increased risk of liver cancer.
Cirrhosis. Acute liver failure is a condition in which vital functions of the liver are stopped. When this happens, liver transplantation is necessary to sustain life.
Other terms. People with chronic hepatitis B may develop kidney disease or vasculitis.
Prevention
Hepatitis B vaccine is usually given as three or four injections over a period of six months. You can not get hepatitis B from the vaccine.

Hepatitis B vaccine is recommended for.

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