Sunday, July 14, 2024

How Many Forms Of Hepatitis Are There

Genotypes Of Hepatitis C

Types of Hepatitis

Which genotype of hepatitis C somebody has dictates what treatment is available to them. If you are living with genotype 3, then there is evidence that liver disease might progress more quickly.

The ability of the virus to mutate has resulted in the existence of different genetic variations of HCV. These are called genotypes. The different genotypes are often, but not exclusively, related to different parts of the world.

Genotypes 1, 2 and 3 have a worldwide distribution. Types 1a and 1b are the most common, accounting for about 60% of global infections. They predominate in Northern Europe and North America and in Southern and Eastern Europe and Japan. Genotype 2 is less frequently represented than type 1. Genotype 3 is endemic in south-east Asia. Genotype 4 is principally found in the Middle East, Egypt, and central Africa. Type 5 is almost exclusively found in South Africa. The most common genotypes found in the UK are 1 and 3.

It is still unclear whether or not the type of virus affects the progression of the disease. If it does it is not thought to present any real cause for concern. However, HCV genotype does influence response to treatment. If you are considering treatment it is very important to know which genotype you are actually infected with.

How Is Viral Hepatitis Prevented

Prevention of hepatitis involves measures to avoid exposure to the viruses, using immunoglobulin in the event of exposure, and vaccines. Administration of immunoglobulin is called passive protection because antibodies from patients who have had viral hepatitis are given to the patient. Vaccination is called active protection because killed viruses or non-infectious components of viruses are given to stimulate the body to produce its own antibodies.

Avoidance of exposure to viruses

Use of immunoglobulins

Immune serum globulin is human serum that contains antibodies to hepatitis A. ISG can be administered to prevent infection in individuals who have been exposed to hepatitis A. ISG works immediately upon administration, and the duration of protection is several months. ISG usually is given to travelers to regions of the world where there are high rates of hepatitis A infection and to close or household contacts of patients with hepatitis A infection. ISG is safe with few side effects.

Hepatitis A

Individuals at increased risk of acquiring hepatitis A are:

Some local health authorities or private companies may require hepatitis A vaccination for food handlers.

Hepatitis B

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What Are The Treatments For Hepatitis

Treatment for hepatitis depends on which type you have and whether it is acute or chronic. Acute viral hepatitis often goes away on its own. To feel better, you may just need to rest and get enough fluids. But in some cases, it may be more serious. You might even need treatment in a hospital.

There are different medicines to treat the different chronic types of hepatitis. Possible other treatments may include surgery and other medical procedures. People who have alcoholic hepatitis need to stop drinking. If your chronic hepatitis leads to liver failure or liver cancer, you may need a liver transplant.

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How Can I Protect Myself Against Viral Hepatitis

There are many ways you can reduce your chances of getting hepatitis:

  • Get the vaccines for hepatitis A and hepatitis B.
  • Use a condom during sex.
  • Don’t share needles to take drugs.
  • Practice good personal hygiene such as thorough hand-washing with soap and water.
  • Don’t use an infected person’s personal items.
  • Take precautions when getting any tattoos or body piercings.
  • Take precaution when traveling to areas of the world with poor sanitation.
  • Drink bottled water when traveling.

It is very important that you take these preventive measures if you participate in risky behaviors. Take preventive steps, too, if you work in places like a nursing homes, dormitories, daycare centers, or restaurants where there you have extended contact with other people and a risk of coming into contact with the disease.

Three Types Of Hepatitis And What To Do About Them

Types of Viral and Non

Contact our practice at 410-224-4887 if you suspect you or a loved one has any form of hepatitis.

Hepatitis describes inflammation of your liver, the most common types being caused by one of several viruses. Hepatitis symptoms can make you sick for the short term or cause long-term, chronic liver problems.

When you have a form of hepatitis, it affects your livers ability to function. If your body cant clear the virus from your system, you may face long-term liver damage, liver failure, or liver cancer.

At Digestive Disorders Associates in Annapolis, Maryland, the expert team of board-certified gastroenterologists can help you recover from an acute form of hepatitis or manage your long-term infection.

Heres more about the most common forms of viral hepatitis and what you can do to heal.

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How Common Is Hepatitis B

Hepatitis B is fairly common in Africa and the western Pacific region. Throughout the world, there are about 292 million people who are infected with chronic hepatitis B. In the U.S., the figure exceeds 2 million people.

The number of infections had been falling in the U.S., but fewer vaccinations among adults combined with the onset of the opioid crisis and injected drug usage has resulted in the numbers rising again. Infected women can pass the infection on to their babies. Children who are infected before age 5 are more likely to have chronic infection than those infected later in life.

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Progression Of Liver Disease

The role of HCV genotypes in the progression of liver disease is one of the most controversial areas of HCV research. There appears to be significant biologic variation in HCV disease expression in the host over the length of the infection . This variation among infected persons became apparent in studies on the natural history of HCV infection, for example, in a retrospective analysis of patients with chronic HCV infection whose time of HCV acquisition was known . The mean times from exposure to HCV to the diagnosis of chronic active hepatitis, to compensated liver cirrhosis, to decompensated cirrhosis, and to hepatocellular carcinoma were 11, 18, 23, and 29 years, respectively .4). What is striking is that severe complications such as cirrhosis and hepatocellular carcinoma can occur over a short period in some persons whereas others have no complication despite a much longer period of infection .4). Therefore, it is likely that viral or host factors, including the infecting HCV genotype, contribute to these variations in the natural history among infected patients.

Mean time between exposure to HCV and diagnosis of HCV-related complications in patients with known time of HCV acquisition.

For the purpose of this discussion, the data related to HCV genotypes and progression of liver disease in patients with chronic HCV infection were examined separately from those for liver transplant recipients.

Time of HCV acquisition in patients with different HCV genotypes.

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The 5 Types Of Hepatitis

Viral hepatitis can be caused by five varieties of the hepatitis virus. According to the international classification, each virus is named after a letter of the alphabet: A, B, C, D, and E.

Below, discover what happens when someone becomes infected with any of these viruses.

1. Hepatitis A

Hepatitis A is the mildest of this group of viral infections. Its transmitted through the fecal-oral route. In other words, an infected person expels it through their feces, contaminates food or water that another person eats or drinks, and the virus finds a new host.

Hepatitis A patients suffer from gastroenteritis symptoms with liver involvement. Thus, fever, abdominal pain, diarrhea, and vomiting appear.

As the liver is inflamed, the bile stagnates and doesnt circulate. As a result, the skin turns yellowish . This occurs because bilirubin impregnates the skin and mucous membranes, which is why the whites of the eyes also turn yellow. Excess bilirubin is eliminated through the urine, which also becomes darker.

The usual symptoms last about 15 days. Although the disease can last for a month or more, this isnt common. Patients tend to recover without any major problems and, if there was no dehydration, they wont suffer from any lasting effects.

The most dangerous symptom is fluid loss, especially in young children. Due to how fast it spreads, extreme precautionary measures should be taken when there are outbreaks in closed populations, such as schools.

2. Hepatitis B

Common Symptoms Of Hepatitis

What Is Viral Hepatitis?

If you are living with a chronic form of hepatitis, like hepatitis B and C, you may not show symptoms until the damage affects liver function. By contrast, people with acute hepatitis may present with symptoms shortly after contracting a hepatitis virus.

Common symptoms of infectious hepatitis include:

It is crucial to understand what is causing hepatitis in order to treat it correctly. Doctors will progress through a series of tests to accurately diagnose your condition.

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How Effective Is Treatment

Direct-acting antivirals cure 9 out of 10 patients with hepatitis C.

Successful treatment does not give you any protection against another hepatitis C infection. You can still catch it again.

Theres no vaccine for hepatitis C.

If treatment does not work, it may be repeated, extended, or a different combination of medicines may be tried.

Your doctor or nurse will be able to advise you.

What Causes Hepatitis A And How Is It Contracted

People develop hepatitis A infection after contracting HAV. This virus is typically transmitted by ingesting food or liquid contaminated with fecal matter that contains the virus. Once transmitted, the virus spreads through the bloodstream to the liver, where it causes inflammation and swelling.

In addition to transmission from eating food or drinking water containing HAV, the virus can also be spread by close personal contact with an infected person. HAV is contagious, and a person who has hepatitis A can easily pass the disease to others living in the same household.

You can contract hepatitis A by:

  • eating food prepared by someone with the hepatitis A virus
  • eating food handled by preparers who dont follow strict hand-washing routines before touching food that you eat
  • eating sewage-contaminated raw shellfish
  • not using condoms when having sex with someone who has the hepatitis A virus
  • drinking polluted water
  • coming in contact with hepatitis A-infected fecal matter

If you contract the virus, you will be contagious two weeks before symptoms even appear. The contagious period will end about one week after symptoms appear.

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The A B Cs Of Hepatitis

Hepatitis A

The hepatitis A virus causes acute inflammation of the liver that almost always gets better on its own, although it can be more serious if you get it when you are older or if you already have liver disease. It is easily spread from person to person, in food and water, and can infect many people at once. For example, if a food handler at a restaurant is infected with hepatitis A, those who eat food prepared by that handler may be infected. Hepatitis A can be prevented by getting vaccinated.

Hepatitis B

The hepatitis B virus can be both acute and chronic and is spread through blood or other body fluids in various ways. Hepatitis B is very common in Asia and Africa and those who were born or lived in these areas should be checked for hepatitis B. Like hepatitis A, a vaccine is available to prevent HBV infection as long as you have not been previously exposed. Although chronic HBV cannot be cured, there are oral medications available to treat and control the virus.

Hepatitis C

The hepatitis C virus is almost always chronic and spreads mostly by direct blood to blood contact. Although hepatitis A and B can be prevented by vaccination, hepatitis C cannot. However, there are currently oral medications available that are able to cure Hepatitis C in 95% of all cases regardless of prior treatment history.

Stages Of Hepatitis C

How many kinds of hepatitis are there?

The hepatitis C virus affects people in different ways and has several stages:

  • Incubation period. This is the time between first exposure to the start of the disease. It can last anywhere from 14 to 80 days, but the average is 45
  • Acute hepatitis C. This is a short-term illness that lasts for the first 6 months after the virus enters your body. After that, some people who have it will get rid of, or clear, the virus on their own.
  • Chronic hepatitis C. For most people who get hepatitis C up to 85% the illness moves into a long-lasting stage . This is called a chronic hepatitis C infection and can lead to serious health problems like liver cancer or cirrhosis.
  • Cirrhosis. This disease leads to inflammation that, over time, replaces your healthy liver cells with scar tissue. It usually takes about 20 to 30 years for this to happen, though it can be faster if you drink alcohol or have HIV.
  • Liver cancer. Cirrhosis makes liver cancer more likely. Your doctor will make sure you get regular tests because there are usually no symptoms in the early stages.

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How Can I Prevent Hepatitis C

Since there is no vaccine for hepatitis C, the best way to prevent hepatitis C infection is to avoid contact with the blood of infected people. This includes:

  • If you shoot drugs, never share works with anyone. This includes all drug injection equipment that can get blood on or in it . Sterile syringes can be purchased over the counter in most pharmacies in Massachusetts by anyone 18 years of age or older. Find out about drug treatment programs that can help you stop using drugs.
  • Only get tattoos or body piercings at places using sterile equipment and supplies.
  • Never share razors, toothbrushes, or nail clippers

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How Long Before I Have Symptoms

Many people have mild symptoms or no symptoms, which is why hepatitis is sometimes called a âsilentâ disease.

Hepatitis A. The symptoms usually show up 2 to 6 weeks after the virus enters your body. They usually last for less than 2 months, though sometimes you can be sick for as long as 6 months.

Some warning signs that you may have hepatitis A are:

Hepatitis B. The symptoms are the same as hepatitis A, and you usually get them 3 months after youre infected. They could show up, though, anywhere from 6 weeks to 6 months later.

Sometimes the symptoms are mild and last just a few weeks. For some people, the hep B virus stays in the body and leads to long-term liver problems.

Hepatitis C. The early symptoms are the same as hepatitis A and B, and they usually happen 6 to 7 weeks after the virus gets in your body. But you could notice them anywhere from 2 weeks to 6 months later.

For about 25% of people who get hep C, the virus goes away on its own without treatment. In other cases, it sticks around for years. When that happens, your liver might get damaged.

Remember, its possible to spread all the types of hepatitis even if you dont show any signs of being sick.

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How Serious Is It

  • People can be sick for a few weeks to a few months
  • Most recover with no lasting liver damage
  • Although very rare, death can occur
  • 15%25% of chronically infected people develop chronic liver disease, including cirrhosis, liver failure, or liver cancer
  • More than 50% of people who get infected with the hepatitis C virus develop a chronic infection
  • 5%-25% of people with chronic hepatitis C develop cirrhosis over 1020 years

What Are The Common Types Of Viral Hepatitis

What Are The Early Signs Of Hepatitis?

Although the most common types of viral hepatitis are HAV, HBV, and HCV, some clinicians had previously considered the acute and chronic phases of hepatic infections as types of viral hepatitis. HAV was considered to be acute viral hepatitis because the HAV infections seldom caused permanent liver damage that led to hepatic failure. HBV and HCV produced chronic viral hepatitis. However, these terms are outdated and not currently used as frequently because all of the viruses that cause hepatitis may have acute phase symptoms . Prevention techniques and vaccinations have markedly reduced the current incidence of common viral hepatitis infections however, there remains a population of about 1 to 2 million people in the U.S. with chronic HBV, and about 3.5 million with chronic HCV according to the CDC. Statistics are incomplete for determining how many new infections occur each year the CDC documented infections but then goes on to estimate the actual numbers by further estimating the number of unreported infections .

Hepatitis A

Hepatitis C

Types D, E, and G Hepatitis

Individuals who already have chronic HBV infection can acquire HDV infection at the same time as they acquire the HBV infection, or at a later time. Those with chronic hepatitis due to HBV and HDV develop cirrhosis rapidly. Moreover, the combination of HDV and HBV virus infection is very difficult to treat.

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Treatment: Chronic Hepatitis C

The latest drug to be approved by the FDA is glecaprevir and pibrentasvir . This medication offers a shorter treatment cycle of 8 weeks for adult patients with all types of HCV who donât have cirrhosis and who have not been previously treated. The length of treatment is longer for those who are in a different disease stage. The prescribed dosage for this medicine is 3 tablets daily.

There are several other combination drugs available, as well as some single drugs that may be used in combination. Your doctor will choose the right one for you depending on the type of hepatitis C you have, how well your liver is functioning and any other medical problems you may have. Also be sure to discuss your insurance coverage since these medications are expensive.

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