How Do Doctors Treat Hepatitis B
Doctors typically dont treat hepatitis B unless it becomes chronic. Doctors may treat chronic hepatitis B with antiviral medicines that attack the virus.
Not everyone with chronic hepatitis B needs treatment. If blood tests show that hepatitis B could be damaging a persons liver, a doctor may prescribe antiviral medicines to lower the chances of liver damage and complications.
Medicines that you take by mouth include
A medicine that doctors can give as a shot is peginterferon alfa-2a .
The length of treatment varies. Hepatitis B medicines may cause side effects. Talk with your doctor about the side effects of treatment. Tell your doctor before taking any other prescription or over-the-counter medicines.
Abnormalities In Heme Metabolism And Excretion
One way to understand jaundice pathophysiology is to organize it into disorders that cause increased bilirubin production or decreased bilirubin excretion .
Prehepatic jaundice is attributed to a pathological increase in bilirubin production. The pathophysiology is quite simple an increased rate of erythrocyte hemolysis increased bilirubin production increased deposition of bilirubin in mucosal tissue appearance of yellow hue.
Hepatic jaundice is due to significant damage to liver function hepatic cell death and necrosis occur impaired bilirubin transport across hepatocytes. Bilirubin transport across may be impaired at any point between hepatocellular uptake of unconjugated bilirubin and hepatocellular transport of conjugated bilirubin into the gallbladder. In addition, subsequent cellular due to inflammation causes mechanical obstruction of intrahepatic biliary tract. Most commonly, interferences in all three major steps of bilirubin metabolism uptake, conjugation, and excretion usually occur in hepatocellular jaundice. Thus, an abnormal rise in both unconjugated and conjugated bilirubin will be present. Because excretion is usually impaired to the greatest extent, conjugated hyperbilirubinemia predominates.
Laboratory findings depend on the cause of jaundice:
Is It Okay To Get An Extra Dose Of Hepatitis B Vaccine
Yes. Although extra doses of vaccine are not recommended, you can think of the extra dose as another chance for the immune system to see the hepatitis B virus. A vaccine is not the only time the immune system will see the virus or bacteria contained in it. People may be exposed to the virus or bacteria at school or the store or when visiting family or friends. An extra dose of vaccine is like one more exposure, except the difference is that the virus or bacteria in any vaccine has been made safe, so it wont make you ill.
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What Is Involved In A Liver Transplant
A liver transplant is considered necessary when the liver is damaged and cannot function or in some cases of liver cancer. Your liver is very important. It is responsible for many functions related to making sure that your body stays healthy and is able to digest foods.
You may be eligible for a transplant if you have chronic hepatitis B infection or some of the diseases that may result from it, including liver cancer and cirrhosis. You will have to complete testing and be evaluated before being approved for a transplant. It is likely that you will be placed on a waiting list while an appropriate organ is found.
Donated livers come from two types of donors: living and deceased. Because the liver can regenerate, it is possible to use part of a liver for transplant. The remaining sections in both the donor and the receiver will grow into livers of adequate size.
People who get liver transplants must take anti-rejection drugs for the rest of their lives. These drugs make you more susceptible to infection. However, liver transplants have become more successful over time and continue to improve.
Diagnosis Of Hepatitis B
Blood tests are available to determine if you are or have been infected with hepatitis B. It may take 6 months from the time of infection before a blood test can detect antibodies to hepatitis B, so follow-up testing may be required. During this 6-month period, until you know whether you are infected or not, take action to prevent potential infection of other people.
There are also tests that can assess liver damage from hepatitis B. The interpretation of these tests can be complicated and specialist advice is needed, so talk to your doctor.
All pregnant women are tested for hepatitis B. If you are found to have chronic hepatitis B, your doctor can help reduce the risk of transferring the infection to your newborn child.
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What Are The Complications Of Hepatitis B
The course of hepatitis B infection depends mostly on the age at which a person is infected.
People infected as infants are likely to develop long term infection and can get complications such as scarring of the liver or liver cancer. Infants have a 9 in 10 chance and children have a 3 in 10 chance of developing a chronic, lifelong infection.
People infected as teenagers or adults are likely to become unwell with symptoms , but have a smaller chance of developing a chronic infection. Others develop a silent infection, without any symptoms.
Most people infected as adults clear the virus from the body within 6 months. They develop immunity to future hepatitis B infections and do not develop long-term liver damage.
However, approximately 1 in 20 adults cannot clear the virus and develop chronic hepatitis B. They are at risk of developing complications such as cirrhosis and liver cancer in the longer term.
Living With Hepatitis B
Risk of chronic infection caused by hepatitis B is related to your age, according to the Centers for Disease Control and Protection . Approximately 90% of infected infants become chronically infected compared with 2%-6% of adult, reports the CDC.
Chronic hepatitis B infection can lead to serious health issues. If you have it, you should be monitored regularly by a doctor. This means you should check in with your doctor at least once or twice a year. Some people who have chronic hepatitis B infection require medicine, but others do not. Your doctor can discuss treatment options with you.
If you have chronic hepatitis B infection, it will likely stay in your blood and liver for a lifetime, according to The Hepatitis B Foundation. This means that you could pass the virus to others, even if you dont feel sick.
The most important thing to remember is that hepatitis B is a chronic medical condition that can be successfully managed if you take good care of your health and your liver, reports the Hepatitis B Foundation. You should expect to live a long, full life.
Symptoms Of Hepatitis B
Many people with hepatitis B will not experience any symptoms and may fight off the virus without realising they had it.
If symptoms do develop, they tend to happen 2 or 3 months after exposure to the hepatitis B virus.
Symptoms of hepatitis B include:
- flu-like symptoms, including tiredness, a fever, and general aches and pains
- loss of appetite
- tummy pain
- yellowing of the skin and eyes
These symptoms will usually pass within 1 to 3 months , although occasionally the infection can last for 6 months or more .
Inhibitors Of Reverse Transcriptase
Although viruses become parts of their host cell during their life cycle, basic research on their replication mechanisms identified various virus-specific biochemical pathways that could be targets of pharmaceutical intervention. The nucleoside analogue acyclovir against herpes simplex and varicella zoster virus was the first example of a successful nontoxic antiviral drug taylored to the biochemistry of its viral target. Merigan and Robinson turned in the late 1970s to then available inhibitors of DNA polymerases when they realised that interferon alone would not help the majority of patients. However, these early drugs, though effective, were highly toxic, in particular to the mitochondrial DNA polymerase . With the advent of HIV in the developed countries, research on antiviral therapy got a strong boost leading to the first drug azidothymidine in 1987 which inhibited more specifically the reverse transcriptase of HIV, but it was unfortunately inactive against HBV.
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Identification Of The Hbv Receptors
In 1987, Mary Ann Sells and George Acs succeeded in generating the stably HBV-transfected hepatoma cell line HepG2.2.15 which was permissive for replication of infectious HBV and has been crucial for many studies on HBV, in particular for development of antiviral drugs . But this and similar cell lines did not facilitate the search for the factors mediating efficient attachment and entry of HBV. Many publications claimed to have detected functional receptors for HBV, but the search for them remained unsuccessful for decades. Only recently, Camille Sureau could prove by a meticulous mutational analysis that the previously by J. P. Allain identified heparansulfate proteoglycan binding capacity of the small HBsAg protein is essential for infectivity and that the binding sites coincide with neutralizing epitopes of HBsAg . However, this receptor cannot explain the peculiar species specificity of HBV because it is present in livers of all mammalians.
Chronic Hepatitis B Complications
Chronic hepatitis B can lead to
- cirrhosis, a condition in which scar tissue replaces healthy liver tissue and prevents your liver from working normally. Scar tissue also partly blocks the flow of blood through the liver. As cirrhosis gets worse, the liver begins to fail.
- liver failure, in which your liver is badly damaged and stops working. Liver failure is also called end-stage liver disease. People with liver failure may require a liver transplant.
- liver cancer. Your doctor may suggest blood tests and an ultrasound or another type of imaging test to check for liver cancer. Finding cancer at an early stage improves the chance of curing the cancer.
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What Are The Symptoms Of Hbv
Hepatitis B virus can cause an acute illness with symptoms that last several weeks, including yellowing of the skin and eyes , dark urine, extreme fatigue, nausea, vomiting and abdominal pain. Most of the time HBV infection is ASYMPTOMATIC.
Joint pains, muscle aches, rash, and jaundice may occur in some people. People can take several months to a year to recover from the symptoms. These people may not know that they are infected, and may therefore not go and see a doctor. People with chronic hepatitis B infection may later develop serious problems like liver cancer and liver failure. These people may not know that they are infected, and may therefore not go and see a doctor. People with chronic hepatitis B infection may later develop serious problems like liver cancer and liver failure.
Hepatitis B Vs Hepatitis C
Hepatitis has many different types. HBV and the hepatitis C virus have both acute and chronic forms.
The main difference between HBV and HCV is how they spread from person to person. Although HCV is transmissible via sexual activity, this is rare. HCV usually spreads when blood that carries the virus comes into contact with blood that does not.
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What Are The Symptoms
- Symptoms can take 2 to 6 months to appear.
- Many people who are infected with hepatitis B have either no symptoms or only mild symptoms.
- Symptoms of acute hepatitis B can include fatigue, loss of appetite, joint pain, abdominal pain, nausea, vomiting, fever, and dark urine. A small number of people will develop jaundice .
- Some people develop chronic hepatitis B and most remain contagious for the rest of their lives. Chronic infection may lead to cirrhosis and/or liver cancer. Most people with chronic hepatitis B are unaware of their infection.
How Is It Spread
Hepatitis A is spread when a person ingests fecal mattereven in microscopic amountsfrom contact with objects, food, or drinks contaminated by feces or stool from an infected person.
Hepatitis B is primarily spread when blood, semen, or certain other body fluids- even in microscopic amounts from a person infected with the hepatitis B virus enters the body of someone who is not infected. The hepatitis B virus can also be transmitted from:
- Birth to an infected mother
- Sex with an infected person
- Sharing equipment that has been contaminated with blood from an infected person, such as needles, syringes, and even medical equipment, such as glucose monitors
- Sharing personal items such as toothbrushes or razors
- Poor infection control has resulted in outbreaks in health care facilities
Hepatitis C is spread when blood from a person infected with the Hepatitis C virus even in microscopic amounts enters the body of someone who is not infected. The hepatitis C virus can also be transmitted from:
- Sharing equipment that has been contaminated with blood from an infected person, such as needles and syringes
- Receiving a blood transfusion or organ transplant before 1992
- Poor infection control has resulted in outbreaks in health care facilities
- Birth to an infected mother
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What Is Chronic Hepatitis B
Doctors refer to hepatitis B infections as either acute or chronic:
- An acute HBV infection is a short-term illness that clears within 6 months of when a person is exposed to the virus.
- A person who still has HBV after 6 months is said to have a chronic hepatitis B infection. This is a long-term illness, meaning the virus stays in the body and causes lifelong illness. An estimated 850,000 to more than 2 million people in the U.S. have chronic HBV.
The younger someone is when infected, the greater the chances for chronic hepatitis B.
British Columbia Specific Information
Hepatitis B is a virus that attacks the liver. It can cause serious disease, including permanent liver damage , and is also the main cause of liver cancer.
The hepatitis B vaccine provides immunity for at least 10 years and likely for a lifetime when completing the full series. There are currently no recommendations for a healthy person to receive a booster for this vaccine if they have completed the full series.
For more information on hepatitis B and the hepatitis B vaccine, see:
You may also call 8-1-1 to speak to a registered nurse or pharmacist. Our nurses are available 24 hours a day, 7 days a week and our pharmacists are available every night from 5:00 p.m. to 9:00 a.m.
tetanus, diphtheria, pertussis, polio, Haemophilus influenzae type b, and hepatitis B combined vaccine
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Is There A Cure For Chronic Hepatitis B
Currently, there is no complete cure for hepatitis B. But when managed properly, those living with the virus can expect to live a normal life. Maintaining a healthy diet and avoiding alcoholic beverages and tobacco products are crucial components in managing the disease.
You should also visit a doctor familiar with hepatitis B at least annuallythough twice a year might be best to monitor your liver through blood tests and medical imaging. As with most diseases, detecting it early leads to a better outcome. If youre exposed to the virus, you should get an antibody injection within 12 hours of exposure.
Can Hepatitis B Be Prevented Or Avoided
The best way to prevent hepatitis B is to always have protected sex and, if you use intravenous drugs, avoid sharing needles.
A vaccine is available to prevent hepatitis B. It is now routinely given in the first year of life to all newborn infants. It is safe and requires 3 shots over a 6-month period. This vaccine should be given to people who are at high risk for this illness, such as healthcare workers, all children, people who travel to areas where the infection is widespread, drug users, and those who have multiple sex partners.
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Why It Is Used
Hepatitis B virus causes a liver infection that can lead to serious complications, including liver cancer. It is common in people throughout the world, particularly in Asia and sub-Saharan Africa.
The Canadian National Advisory Committee on Immunization recommends hepatitis B immunization for all children. Pregnant women and other adults who do not have immunity and who have a high chance of exposure should be vaccinated.
What Are The Symptoms Of Hepatitis B
Symptoms of hepatitis B can range from mild to severe. If you have a mild case of hepatitis, you may not even realize that you have it. It may not cause any symptoms, or may only cause symptoms similar to the stomach flu. The symptoms of hepatitis B may include:
- Loss of appetite.
- Jaundice .
- Joint pain.
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What Is The Treatment For Hepatitis B
Prevention is recommended by receiving a vaccine for HBV.
Receiving an injection of the hepatitis B immune globulin within 12 hours of coming in contact with the virus may help prevent the development of the disease.
At present, there is no specific treatment for patients with acute hepatitis B. Acute infection is usually short and will often resolve on its own. Your health care provider may recommend rest, and adequate nutrition and fluids to help your body fight the infection. Hospitalization may be required for patients who suffer from severe vomiting and who are unable to maintain adequate nutritional levels. It may also be required to prevent the development of complications.
While chronic infection cannot be cured, there are two standard treatments in Canada that may control the virus and prevent further damage to the liver.
- Antiviral medications can fight the virus and slow damage to the liver.
- Interferon which may be given for short periods and if effective, results in suppression of the virus.