What Is The Outlook
Most people with hepatitis A recover without any complications. Once youve had hepatitis A, you cant get it again. Antibodies to the virus will protect you for life.
Some people may be at an increased risk for serious illness from hepatitis A. These include:
- older adults
acute hepatitis B infections in the United States in 2018.
How Do You Get Hepatitis B
Hepatitis B is really contagious. Its transmitted through contact with semen , vaginal fluids, and blood. You can get it from:
having vaginal, anal, or oral sex
sharing toothbrushes and razors
sharing needles for shooting drugs, piercings, tattoos, etc.
getting stuck with a needle that has the Hep B virus on it.
Hepatitis B can also be passed to babies during birth if their mother has it.
Hepatitis B isnt spread through saliva , so you CANT get hepatitis B from sharing food or drinks or using the same fork or spoon. Hepatitis B is also not spread through kissing, hugging, holding hands, coughing, sneezing, or breastfeeding.
You Can Have It And Not Know It
What is hepatitis B?
Hepatitis B is a liver disease caused by the hepatitis B virus . HBV is far more infectious than HIV and can be prevented by a vaccine. People who have not been vaccinated may be at risk of getting infected.
About 95 percent of adults will recover within 6 months of becoming infected and as a result will develop lifelong protection against it. The remaining 5 percent are unable to clear the virus and will become chronically infected. Chronic hepatitis B infection is treatable.
It is estimated that less than 1 percent of Canada’s population is infected with either acute or chronic HBV. People who are infected before the age of 7 are at a higher risk of developing chronic infection. In 2011, the overall reported rate of acute hepatitis B infection in Canada was 0.6 reported cases per 100,000 people living in Canada.
Why is hepatitis B a health concern?
Many people infected with HBV do not know they have the virus because symptoms can take two to six months to appear and only about 50 percent of people develop symptoms. During this time, they can spread the infection to others. You may not know you have this infection until damage has already been done to your liver. Potential complications from chronic HBV infection include cirrhosis of the liver, liver failure, liver cancer and premature death.
Why do I need my liver?
How is hepatitis B spread?
HBV is spread through contact with infected blood and body fluids including semen and vaginal fluid.
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Can Hepatitis Be Treated
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Each form of hepatitis has its method of treatment. Once you know what type of hepatitis you have, you can expect the following treatment process:
- Hepatitis A is a short-term illness that responds well to bed rest, hydration, and nutrition.
- Hepatitis B in its acute form doesnt require treatment but the chronic form of the disease is treated with antiviral medications.
- Hepatitis C is also treated with antiviral medication for both the acute and chronic forms of the disease.
- Hepatitis D doesnt have a very effective treatment regimen at this time there is a medication available but it has low efficacy.
- Hepatitis E usually resolves on its own as a short-term illness.
For prevention, there is a vaccine available to target hepatitis A and hepatitis B. You can also prevent hepatitis D by getting the hepatitis B vaccine. If you believe you have symptoms of hepatitis please call Gastroenterology Associates of Southwest Florida, PA for an appointment at 239-275-8882.
What Should You Know About Pregnancy And Hepatitis B
A pregnant woman who has hepatitis B can pass the infection to her baby at delivery. This is true for both vaginal and cesarean deliveries.
You should ask your healthcare provider to test you for hepatitis B when you find out you are pregnant. However, while it is important for you and your healthcare provider to know if you do have hepatitis B, the condition should not affect the way that your pregnancy progresses.
If you do test positive, your provider may suggest that you contact another healthcare provider, a liver doctor, who is skilled in managing people with hepatitis B infections. You may have a high viral load and may need treatment during the last 3 months of your pregnancy. A viral load is the term for how much of the infection you have inside of you.
You can prevent your infant from getting hepatitis B infection by making sure that your baby gets the hepatitis B vaccine in the hours after they are born along with the hepatitis B immunoglobulin. These two shots are given in two different locations on the baby. They are the first shots needed.
Depending on the type of vaccine used, two or three more doses must be given, usually when the baby is 1 month old and then 6 months old, with the last by the time the baby is 1 year old. It is critical that all newborns get the hepatitis B vaccination, but even more important if you have hepatitis B yourself.
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What Are The Risk Factors For Getting Hepatitis B
Due to the way that hepatitis B spreads, people most at risk for getting infected include:
- Children whose mothers have been infected with hepatitis B.
- Children who have been adopted from countries with high rates of hepatitis B infection.
- People who have unprotected sex and/or have been diagnosed with a sexually transmitted infection.
- People who live with or work in an institutional setting, such as prisons or group homes.
- Healthcare providers and first responders.
- People who share needles or syringes.
- People who live in close quarters with a person with chronic hepatitis B infection.
- People who are on dialysis.
Who Is At Risk For Hepatitis B
Anyone can get hepatitis B, but the risk is higher in:
- Infants born to mothers who have hepatitis B
- People who inject drugs or share needles, syringes, and other types of drug equipment
- Sex partners of people with hepatitis B, especially if they are not using latex or polyurethane condoms during sex
- Men who have sex with men
- People who live with someone who has hepatitis B, especially if they use the same razor, toothbrush, or nail clippers
- Health care and public-safety workers who are exposed to blood on the job
If you have chronic hepatitis B, you may not have symptoms until complications develop. This could be decades after you were infected. For this reason, hepatitis B screening is important, even if you have no symptoms. Screening means that you are tested for a disease even though you don’t have symptoms. If you are at high risk, your health care provider may suggest screening.
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How To Prevent Hepatitis B
Hepatitis B is a liver infection caused by a virus . It can be serious and theres no cure, but the good news is its easy to prevent. You can protect yourself by getting the hepatitis B vaccine and having safer sex. If you have oral, anal, and vaginal sex, use condoms and dental dams to help stop the spread of hepatitis B and other STDs.
What Are The Risk Factors
Some people are at an increased risk for contracting HAV, including:
- people traveling to areas of the world where hepatitis A is common
- men who have sex with men
- people who use injectable or noninjectable drugs
- caregivers for those who have hepatitis A
- people who are experiencing homelessness
- people living with a child whos been adopted from an area where hepatitis A is common
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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
Hepatitis A: What Happens
Hepatitis A is highly contagious and can spread from person to person in many different settings. It typically causes only a mild illness, and many people who are infected may never realize they’re sick at all. The virus almost always goes away on its own and does not cause long-term liver damage.
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Screening For Hepatitis B & C
NYU Langone doctors provide screening for hepatitis B and hepatitis C, two forms of hepatitis that can become chronic and lead to serious liver damage without treatment.
Hepatitis is characterized by inflammation of the liver. Hepatitis B is caused by the hepatitis B virus, and hepatitis C is caused by the hepatitis C virus. These diseases are contagious and can be spread from person to person through contact with bodily fluids such as blood and semen. Hepatitis B and C can also be passed from mother to child during birth.
Hepatologists, or liver specialists, and infectious disease specialists at NYU Langone recommend screening for some people who may be at increased risk of becoming infected.
Even though hepatitis B and C may cause no symptoms for years or even decades after infection, the viruses still may damage the liver. For this reason, screening is an important tool for early detection and treatment. It can prevent serious illness, such as cirrhosis and liver cancer, and hinder the spread of infection.
Vaccination for hepatitis is also an important prevention tool.
Can Hepatitis B Be Prevented
The best way to prevent hepatitis B is to get the hepatitis B vaccine.
You can also reduce your chance of hepatitis B infection by:
- Not sharing drug needles or other drug materials
- Wearing gloves if you have to touch another person’s blood or open sores
- Making sure your tattoo artist or body piercer uses sterile tools
- Not sharing personal items, such as toothbrushes, razors, or nail clippers
- Using a latex condom during sex. If your or your partner is allergic to latex, you can use polyurethane condoms.
If you think you have been in contact with the hepatitis B virus, see your health care provider right away. Your provider may give you a dose of the hepatitis B vaccine to prevent infection. In some cases, your provider may also give you a medicine called hepatitis B immune globulin . You need to get the vaccine and the HBIG as soon as possible after coming into contact with the virus. It is best if you can get them within 24 hours.
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Hiv And Hbv Coinfection
About 2% of people with HIV in the United States are coinfected with HBV both infections have similar routes of transmission. People with HIV are at greater risk for complications and death from HBV infection. All people with HIV are recommended to be tested for HBV, and if susceptible, are further recommended to receive the hepatitis B vaccination or, if chronically infected, evaluated for treatment to prevent liver disease and liver cancer. For more information about HIV and HBV coinfection, visit HIV.govâs pages about hepatitis B and HIV coinfection.
Hepatitis A Vs Hepatitis C: Whats The Difference
Hepatitis is inflammation of the liver. Hepatitis has many possible causes, but it commonly occurs due to a virus. Viral hepatitis is a leading cause of liver disease worldwide. At least five different viruses can cause hepatitis:
- Hepatitis A virus
- Hepatitis D virus
- Hepatitis E virus
These viruses have similar symptoms. Some forms of the virus can become chronic and lead to life-threatening complications. Other symptoms resolve without any specific treatment.
The most common types of hepatitis are HAV and HCV. HAV is the most common form of viral hepatitis. About 1.5 million people contract HAV each year globally. About 130-150 million people worldwide are living with HCV.
These two types of hepatitis have things in common, but they also have distinct differences.
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Who Should Be Tested
Testing for hepatitis A is not routinely recommended.
CDC recommends hepatitis B testing for:
- Men who have sex with men
- People who inject drugs
- Household and sexual contacts of people with hepatitis B
- People requiring immunosuppressive therapy
- People with end-stage renal disease
- People with hepatitis C
- People with elevated ALT levels
- Pregnant women
- Infants born to HBV-infected mothers
CDC recommends hepatitis C testing for:
- All adults aged 18 years and older
- All pregnant women during each pregnancy
- About 24,900 new infections each year
- About 22,600 new infections in 2018
- Estimated 862,000 people living with hepatitis B
- About 50,300 new infections in 2018
- Estimated 2.4 million people living with hepatitis C
How Are Hepatitis B And Hepatitis C Spread From Person To Person
Like HIV, the hepatitis B and hepatitis C viruses spread:
- From mother to child: Pregnant women can pass these infections to their infants. HIV-HCV coinfection increases the risk of passing on hepatitis C to the baby.
- Sexually: Both viruses can also be transmitted sexually, but HBV is much more likely than HCV to be transmitted sexually. Sexual transmission of HCV is most likely to happen among gay and bisexual men who are living with HIV.
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How Is Hepatitis B Diagnosed
There are three main ways to diagnose HBV infection. They include:
- Blood tests: Tests of the blood serum shows how your bodys immune system is responding to the virus. A blood test can also tell you if you are immune to HBV.
- Abdominal ultrasound: An ultrasound uses sound waves to show the size and shape of your liver and how well the blood flows through it.
- Liver biopsy: A small sample of your liver tissue is removed though a tiny incision and sent to a lab for analysis.
The blood test that is used to diagnose hepatitis B is not a test that you get routinely during a medical visit. Often, people whove become infected first learn they have hepatitis B when they go to donate blood. Blood donations are routinely scanned for the infection.
The virus can be detected within 30 to 60 days of infection. About 70% of adults with hepatitis B develop symptoms, which tend to appear an average of 90 days after initial exposure to the virus.
Hepatitis B Virus Antigens And Antibodies
The Structure of Hepatitis B Virus
The hepatitis B virus is a small DNA virus with unusual features similar to retroviruses, which is a prototype virus of the Hepadnaviridae family. HBV causes acute and chronic hepatitis in humans. The hepatitis B virus consists of an outer lipid envelope and an icosahedral nucleocapsid core composed of protein. The virus is one of the smallest enveloped animal viruses with a virion diameter of 42 nm, and also named Dane particles. Dane particles contains both envelope and core.
The outer envelope contains embedded proteins which are involved in viral binding of susceptible cells. There are three types of proteins: small hepatitis surface proteins, middle hepatitis surface proteins and large hepatitis surface proteins, they are totally composed of hepatitis B surface proteins. The nucleocapsid encloses the viral DNA and a DNA polymerase that has reverse transcriptase activity.
There are three types of Hepatitis B Virus particles in infectious serum by electron microscopy, Dane particles, filamentous particles and spherical particles. Except for Dane particles , there also exist pleomorphic forms, as filamentous particles and spherical particles .
Hepatitis B Virus Antigens
Hepatitis B core antigen-HBcAg
Hepatitis B e antigen-HBeAg
The X gene codes for HBxAg. The product of the X gene is hepatitis B x antigen . It may be involved in carcinogenesis.
Hepatitis B Virus Antibodies
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How Many People Have Hepatitis B
In the United States, an estimated 862,000 people were chronically infected with HBV in 2016. New cases of HBV infection in the United States had been decreasing until 2012. Since that time, reported cases of acute hepatitis B have been fluctuating around 3,000 cases per year. In 2018, 3,322 cases of acute hepatitis B were reported however, because of low case detection and reporting, the Centers for Disease Control and Prevention estimates that there were 21,600 acute hepatitis B infections. New HBV infections are likely linked to the ongoing opioid crisis in the United States.
Globally, HBV is the most common blood-borne infection with an estimated 257 million people infected according to the World Health Organization .