How Is Hepatitis B Transmitted
Hepatitis B is spread in several distinct ways: sexual contact sharing needles, syringes, or other drug-injection equipment or from mother-to-child at birth.
In the United States, in 2018, injection drug use was the most common risk factor reported among people with an acute HBV infection, followed by having multiple sex partners. Less commonly reported risk factors included accidental needle sticks, surgery, transfusions, and household contact with a person with HBV infection. In the United States, healthcare-related transmission of HBV is rare.
Mother-to-child transmission of HBV is especially concerning, because it is preventable. An estimated 25,000 infants are born to mothers diagnosed with HBV each year in the United States, and approximately 1,000 mothers transmit HBV to their infants. Without appropriate medical care and vaccinations, 90% of HBV-infected newborns will develop chronic infection, remaining infected throughout their lives. Up to 25% of people infected at birth will die prematurely of HBV-related causes. For this reason, the standard of care for pregnant women includes an HBV test during each pregnancy so that the appropriate steps can be taken to prevent HBV-positive mothers from transmitting the disease to her infant.
Reduce Your Chance Of Infection
You can reduce your chance of hepatitis B infection by
- not sharing drug needles or other drug materials
- wearing gloves if you have to touch another persons 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 or polyurethane condom during sex
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.
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Is Hepatitis Testing Recommended For People With Hiv
Yes. Everyone living with HIV should be tested for HBV and HCV when they are first diagnosed with HIV and begin treatment. People living with HIV who have ongoing risk factors for getting hepatitis B or hepatitis C should be tested annually.
In addition, new HCV screening recommendations from the Centers for Disease Control and Prevention call for:
- One-time screening for all adults 18 years and older
- Screening of all pregnant women during every pregnancy
- Testing for all persons with risk factors, with testing continued periodic testing those with ongoing risk.
Good Nutrition And Rest
- All family members should eat a well-balanced diet that includes foods shown in the graphic MyPlate . You can find more information about balanced nutrition on the website ChooseMyPlate.gov .
- All family members should get at least 8 hours of sleep each night.
- Young children who are ill should rest during the day when possible.
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What Laboratory Tests Are Available For Hepatitis B
Tests are available to detect the types of antigens used to identify the hepatitis B virus. The tests determine if the virus is present in the body tissue or blood. The amount of each type of antigen present indicates how advanced the disease is and how infective the individual has become.
Other tests are available to detect the body’s reaction to the viral infection or the body’s reaction to vaccination against the virus. These tests work by measuring the number of antibodies present in the blood.
Sexual Transmission And Hepatitis B
Hepatitis B can be transmitted through sexual activity. Unvaccinated adults who have multiple sex partners, along with sex partners of people with chronic hepatitis B infection, are at increased risk for transmission. Injection-drug use and sexual contact are other common modes of hepatitis B transmission in the United States.
Among adults seeking treatment in STD clinics, as many as 10%40% have evidence of past or current hepatitis B virus infection. Many of these infections could have been prevented through universal vaccination during delivery of STD prevention or treatment services. Offering vaccination to all adults as part of routine prevention services in STD treatment facilities has been demonstrated to increase vaccination coverage among adults at risk for hepatitis B infection, as the behavioral risk factors for STDs and hepatitis B are similar.
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What Are The Signs & Symptoms Of Hbv Infection
HBV can cause a wide range of symptoms, from a mild illness and general feeling of being unwell to more serious chronic liver disease that can lead to liver cancer.
Someone with hepatitis B may have symptoms similar to those caused by other viral infections, like the flu. The person might:
- feel like throwing up or actually throw up
- not feel like eating
- have a mild fever
HBV also can cause darker than usual pee, jaundice , and belly pain.
People exposed to hepatitis B may start to have symptoms from 1 to 6 months later. Symptoms can last for weeks to months.
In some people, hepatitis B causes few or no symptoms. But even someone who doesn’t have any symptoms can still spread the disease to others.
What Occupations Have Increased Risk Of Hepatitis B
In general, occupational groups with increased risk include:
- Health-care workers repeatedly exposed to blood or blood products or those who are at risk of needlestick injury.
- Pathologists, laboratory personnel, or embalmers.
- Dentists, dental assistants, and dental hygienists.
- Certain staff members of institutions for the developmentally handicapped.
- Staff of institutions where workers may be exposed to aggressive, biting residents.
Travellers to regions with intermediate or high rates of endemic HBV infection may also consider being vaccinated.
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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.
For safety reasons, you also should talk with your doctor before using dietary supplements, such as vitamins, or any complementary or alternative medicines or medical practices.
How Do Doctors Treat The Complications Of Hepatitis B
If chronic hepatitis B leads to cirrhosis, you should see a doctor who specializes in liver diseases. Doctors can treat the health problems related to cirrhosis with medicines, minor medical procedures, and surgery. If you have cirrhosis, you have an increased chance of liver cancer. Your doctor may order blood tests and an ultrasound or another type of imaging test to check for liver cancer.
If chronic hepatitis B leads to liver failure or liver cancer, you may need a liver transplant.
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How Do You Get Hepatitis B
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sharing toothbrushes and razors
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sharing needles for shooting drugs, piercings, tattoos, etc.
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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.
Hiv And Hepatitis B And Hepatitis C Coinfection
Hepatitis B and hepatitis C are liver infections caused by a virus. Because these infections can be spread in the same ways as HIV, people with HIV in the United States are often also affected by chronic viral hepatitis.
Viral hepatitis progresses faster and causes more liver-related health problems among people with HIV than among those who do not have HIV. Liver disease, much of which is related to HBV or HCV, is a major cause of non-AIDS-related deaths among people with HIV.
Given the risks of hepatitis B or hepatitis C coinfection to the health of people living with HIV, it is important to understand these risks, take steps to prevent infection, know your status, and, if necessary, get medical care from someone who is experienced in treating people who are coinfected with HIV and HBV, or HIV and HCV.
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What Are The Treatments For Hepatitis B
If you think you may have been exposed to hepatitis B, its important to talk with a healthcare professional as soon as possible.
A doctor or other healthcare professional may administer the first dose of the hepatitis B vaccine and a shot of hepatitis B immunoglobulin. This is a combination of antibodies that provide short-term protection against the virus.
Though both can be given up to a week after exposure, theyre most effective at preventing infection if administered within 48 hours.
If you receive a diagnosis of acute hepatitis B, a doctor may refer you to a specialist. They may advise you to get regular blood tests to ensure you dont develop chronic hepatitis.
Many people with acute hepatitis B dont experience serious symptoms. But if you do, it can help to:
- get plenty of rest
- take over-the-counter pain mediation, like naproxen, when needed
Other lifestyle changes may also be needed to manage your infection, such as:
- eating a nutritious, balanced diet
- avoiding substances that can harm your liver, such as:
- certain herbal supplements or medications, including acetaminophen
If blood tests show you still have an active infection after 6 months, your doctor may recommend further treatment, including medications to help control the virus and prevent liver damage.
What Is Hepatitis B
Hepatitis B is an infection of your liver. Itâs caused by a virus. There is a vaccine that protects against it. For some people, hepatitis B is mild and lasts a short time. These âacuteâ cases donât always need treatment. But it can become chronic. If that happens, it can cause scarring of the organ, liver failure, and cancer, and it even can be life-threatening.
Itâs spread when people come in contact with the blood, open sores, or body fluids of someone who has the hepatitis B virus.
It’s serious, but if you get the disease as an adult, it shouldnât last a long time. Your body fights it off within a few months, and youâre immune for the rest of your life. That means you can’t get it again. But if you get it at birth, itâ unlikely to go away.
âHepatitisâ means inflammation of the liver. There are other types of hepatitis. Those caused by viruses also include hepatitis A and hepatitis C.
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How Long Can You Live With Hepatitis B
Most people who contract hepatitis B during adulthood fully recover within 1 to 3 months.
People with chronic hepatitis B may have a higher risk of developing long-term liver problems, like cirrhosis or liver cancer, which require treatment and may be life threatening.
Keep in mind that the risk of developing chronic hepatitis B is higher for babies and children, especially if they have not been vaccinated against the virus.
Is Hepatitis B Contagious
Hepatitis B is highly contagious. Its transmitted through contact with blood and certain other bodily fluids. Although the virus can be found in saliva, its not transmitted through sharing utensils or kissing. Its also not transmitted through sneezing, coughing, or breastfeeding.
Symptoms of hepatitis B may not appear for 3 months after exposure. Symptoms can last for several weeks.
But even without symptoms, you can still transmit the infection to others. The virus can live outside the body and remains infectious for at least
Hepatitis B is a highly contagious condition. Its associated with many serious complications, some of which can be life threatening.
But there are many treatment options available and multiple ways you can prevent infection, including getting vaccinated.
If you suspect you may have been exposed to hepatitis B, its important to talk with a doctor to prevent infection and determine the best course of treatment for you.
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What Is The Risk
Because universal vaccination of newborns has been recommended since 1991, rates of Hepatitis B in the United States have been going down. But certain groups are still at higher risk, including:
- Infants born to mothers with hepatitis B
- People born outside the United States, or those who travel to areas like Asia or sub-Saharan Africa, where hepatitis B is more common
- Sexual partners of people with hepatitis B
- Men who have sex with men
- People who inject drugs and share needles or syringes
- People who live with someone who has hepatitis B
- Abdominal pain, nausea, or vomiting
What Problems Can Hepatitis B Cause
Hepatitis B is a serious infection. It can lead to cirrhosis of the liver, liver failure, or liver cancer, which can cause severe illness and even death.
If a pregnant woman has the hepatitis B virus, her baby has a very high chance of having it unless the baby gets a special immune injection and the first dose of hepatitis B vaccine at birth.
Sometimes, HBV doesn’t cause symptoms until a person has had the infection for a while. At that stage, the person already might have more serious problems, such as liver damage.
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Return To School Or Child Care
- Your child may return to normal daily activity when the childs doctor or the doctor who discharges him or her from the hospital says it is OK. This will be when your child is no longer jaundiced or vomiting.
- A child who scratches, bites or “gets into fights, has an overall skin condition, or a bleeding problem should probably not attend child care while he or she has hepatitis. Your childs doctor can help you make this decision.
If you have any questions, be sure to ask your childs doctor or nurse.
HH-I-43 10/76, Revised 10/15 Copyright 1976, Nationwide Childrens Hospital
Prevent Infection After Contact With The Virus
If you think you have been in contact with the hepatitis B virus, see your doctor right away. Doctors typically recommend a dose of the hepatitis B vaccine to prevent infection. In some cases, doctors may also recommend a medicine called hepatitis B immune globulin to help prevent infection. You must get the vaccine dose and, if needed, HBIG shortly after coming into contact with the virus, preferably within 24 hours.
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Transmission Of Hepatitis B
The hepatitis B virus is transmitted through blood and sexual fluids. This can most commonly occur in the following ways:
Direct contact with infected blood
From an infected pregnant person to their newborn during pregnancy and childbirth
Needles and other medical/dental equipments or procedures that are contaminated or not sterile
Unprotected sex
Use of illegal or street drugs
Body piercing, tattooing, acupuncture and even nail salons are other potential routes of infection unless sterile needles and equipment are used. In addition, sharing sharp instruments such as razors, toothbrushes, nail clippers, earrings and body jewelry can be a source of infection.
Hepatitis B is NOT transmitted casually. It cannot be spread through toilet seats, doorknobs, sneezing, coughing, hugging or eating meals with someone who is infected with hepatitis B.
Hepatitis B In The United States
In the United States, about 862,000 people have chronic hepatitis B.6 Asian Americans and African Americans have higher rates of chronic hepatitis B than other U.S. racial and ethnic groups.10 Researchers estimate that about half of the people living with chronic hepatitis B in the United States are Asian Americans and Pacific Islanders.11 Chronic hepatitis B is also more common among people born in other countries than among those born in the United States.7
The hepatitis B vaccine has been available since the 1980s and, in 1991, doctors began recommending that children in the United States receive the hepatitis B vaccine. The annual rate of acute hepatitis B infections went down 88.5 percent between 1982 and 2015.12 In 2017, the annual number of hepatitis B infections rose in some states.13 Experts think the rise was related to increases in injection drug use. Injection drug use increases the risk of hepatitis B infection.
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What Are Clinical Trials For Hepatitis B
Clinical trialsand other types of clinical studiesare part of medical research and involve people like you. When you volunteer to take part in a clinical study, you help doctors and researchers learn more about disease and improve health care for people in the future.
Researchers are studying many aspects of hepatitis B, such as
- progression of hepatitis B and long-term outcomes
- new treatments for hepatitis B
- prevention of reactivated or worsening hepatitis B in people receiving cancer treatment
How Is Hepatitis B Spread
Hepatitis B is spread person-to-person by methods that usually involve skin puncture or mucosal contact with the blood or body fluids of an infected person. For example:
- Indirect spread from items such as razors, toothbrushes, or other items may cause hepatitis B. Unfortunately, HBV is very stable and can remain infective on items like razors or toothbrushes for about one week.
- An infected mother can transfer hepatitis B to her newborn during birth.
Fortunately, HBV is not spread through food or beverages, breastfeeding, casual contact like hugging, handholding, or sneezing .
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