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.
Chronic Hepatitis B And C
Most people with hepatitis B clear the virus from their bodies as they get better. But some dont clear the virus these people have chronic hepatitis B. Some people with chronic hepatitis B stay well for a long time and then get very sick many years later. People with chronic hepatitis B can spread the virus to others even if they do not look or feel sick.
Many people with chronic hepatitis C have no symptoms and dont know they have the disease. However, because the virus is in their bodies, they can spread it to other people. Chronic hepatitis C is a long term illness that can lead to serious liver problems, including scarring of the liver or liver cancer.
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.
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What Is Viral Hepatitis
Hepatitis means inflammation of the liver. The liver is a vital organ that processes nutrients, filters the blood, and fights infections. When the liver is inflamed or damaged, its function can be affected. Heavy alcohol use, toxins, some medications, and certain medical conditions can cause hepatitis. However, hepatitis is often caused by a virus. In the United States, the most common types of viral hepatitis are hepatitis A, hepatitis B, and hepatitis C.
Chronic Hepatitis C Treatment
Treatment of chronic hepatitis C has evolved, rendering many earlier drugs obsolete. The drugs currently used include pegylated interferon, ribavirin, elbasvir, grazoprevir, ledipasvir, sofosbuvir, paritaprevir, ritonavir, ombitasvir, dasabuvir, simeprevir, daclatasvir. These are always used in various combinations, never alone. Interferon is given by injection while the other medications are pills. Studies have shown that combinations of these drugs can cure all but a small proportion of patients however, serious side effects of treatment can occur.
Treatment options need to be discussed with a knowledgeable physician, as the appropriate combination is dependent upon multiple factors. These include genotype , prior treatment and results, drug intolerances, presence of compensated liver disease or uncompensated cirrhosis, presence of HIV co-infection, other complicating conditions and liver transplantation.
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How Is Hepatitis B Treated
Your healthcare provider will treat you based on what type of hepatitis B you have, acute or chronic.
Acute hepatitis B infections
If you develop an acute form of the condition, you probably wont need medical treatment. Instead, your doctor will likely suggest that you get plenty of rest, drink lots of fluids and maintain a healthy diet to support your body as it fights off the infection.
Chronic hepatitis B infections
If you have chronic hepatitis B, you might be a candidate for drug therapy. Usually, drug therapy is used only if you have active liver disease. There are seven drugs that are approved by the U.S. Food and Drug Administration to treat hepatitis B. Two are injectable forms of interferon, while the five other antivirals are tablets.
You will need to take these medications every day. They help by slowing the viruss ability to multiply in your system. This helps reduce swelling and liver damage. Youll need to be regularly monitored for early signs of liver damage and liver cancer. Your healthcare provider will want to see you once or twice a year.
What Does The Test Measure
An acute viral hepatitis panel includes several tests that measure antigens and antibodies. Antigens are foreign substances such as proteins of the virus itself, while antibodies are substances produced by the immune system in response to the viral infection.
An acute viral hepatitis panel tests for antigens and/or antibodies of hepatitis A, B, and C:
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How To Get Tested
Oftentimes, people with hepatitis B dont have symptoms. That’s why it’s important to get tested if you had unprotected sex or shared a needle with someone who may have been infected. Hepatitis B is detected by a blood test and is usually included in routine sexually transmitted infection screenings.
How Do You Test For Hepatitis B
A simple blood test carried out by a healthcare professional will show whether you have the virus. You may also be given extra tests to see if your liver is damaged.
If youve got hepatitis B you should be tested for other STIs. Its important that you tell your recent sexual partner/s so they can also get tested and treated. Many people who have hepatitis B dont notice anything wrong, and by telling them you can help to stop the virus being passed on. This can also stop you from getting the infection again.
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What Is The Outlook For People With Hepatitis B
The outlook for people with HBV is better now than ever before. You are certainly able to live a full life and help yourself stay healthy. You should make sure to have regular check-ups with a healthcare provider who is qualified to treat hepatitis B, possibly a liver doctor.
Make sure you are vaccinated against hepatitis A. Check with your healthcare provider or pharmacist before taking other medications or over-the-counter products, including supplements and natural products. These could interfere with your medication or damage your liver. For instance, taking acetaminophen in large doses may harm your liver.
Follow the usual guidelines for living a healthy life:
- Eat nutritious foods, choosing from a variety of vegetables, fruits and healthy proteins. It is said that cruciferous vegetables are especially good at protecting the liver.
- Exercise regularly.
- Dont smoke and dont drink. Both tobacco and alcohol are bad for your liver.
- Do things that help you cope with stress, like journaling, talking with others, meditating and doing yoga.
- Avoid inhaling toxic fumes.
Can Hepatitis B And C Be Prevented
Today, all babies get vaccinated against the hepatitis B virus in a series of three shots over a 6-month period. Doctors also recommend catch-up vaccination for all kids and teens younger than 19 years old who didnt get the vaccine as babies or didnt get all three doses.
Unfortunately, theres no vaccine for hep C yet.
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How Do Ticks Attach To Their Hosts
Once the tick climbs onto its host, it finds a suitable feeding place. After doing so, the tick will bite into a persons skin. This cuts the skins surface, which allows the tick to insert its feeding tube. The feeding tube draws blood from the person.
Some ticks secrete a substance that helps them stick to their hosts. Others have barbs on their feeding tube, which perform the same function.
People can develop Lyme disease after being bitten by an infected tick. The most common bacterium that causes Lyme disease is called Borrelia burgdorferi.
To contract the bacterium, a tick typically has to feed on a host for
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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Who Should Be Tested For Hepatitis
Testing is important for anyone with the risk factors we’ve mentioned, particularly injected drug users and people who have had multiple sex partners. Health advocates are also urging people of Asian heritage to get tested. Stanford University’s Asian Liver Center estimates that 1 in 10 Asians living in the U.S. has chronic hepatitis B. Many of them have probably had the virus since birth.
Also, the U.S. Preventive Services Task Force recommends that health care providers offer a one-time hepatitis C screening for anyone born between 1945 and 1965.
Who Is Most Affected
In the United States, rates of new HBV infections are highest among adults aged 30-59 years, reflecting low hepatitis B vaccination coverage among adults at risk. The most common risk factor among people with new HBV infections is injecting drugs, related to the opioid crisis and other drug use.
The highest rates of chronic hepatitis B infection in the United States occur among foreign-born individuals, especially people born in Asia, the Pacific Islands, and Africa. Approximately 70% of cases in the United States are among people who were born outside of the United States. CDC developed this map of the geographic distribution of hepatitis B around the world – PDF. Other groups who have higher rates of chronic HBV infection include people who inject drugs and men who have sex with men.
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Hepatitis A: How Does It Spread
It usually spreads through food or water. Food can be tainted when it’s touched by a person with hepatitis who did not wash their hands after using the bathroom. This transfers tiny amounts of infected stool to the food. Raw shellfish, fruits, vegetables, and undercooked foods are common culprits in hepatitis A outbreaks. The virus can also spread in daycare centers if employees aren’t careful about washing hands after changing diapers.
Can Hepatitis A Be Prevented
The following will help keep people safe from hepatitis A:
- regular hand washing, especially after going to the bathroom or diapering a baby, and before eating
- washing fruits and vegetables before eating them
- not eating raw shellfish, such as raw oysters
- getting the vaccine for hep A
Getting vaccinated helps a persons body make antibodies that protect against hepatitis infection. The hepatitis A vaccine is now given to all kids when theyre between 1 and 2 years old, and to people who are traveling to countries where the virus could get into the food and water supply.
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Hepatitis B: How Does It Spread
You can get it through contact with the blood or body fluids of an infected person. In the U.S., it’s most often spread through unprotected sex. It’s also possible to get hepatitis B by sharing an infected person’s needles, razors, or toothbrush. And an infected mother can pass the virus to their baby during childbirth. Hepatitis B is not spread by hugging, sharing food, or coughing.
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 beverages that contain alochol and tobacco products are crucial components in managing the disease.
You should also visit a doctor familiar with hepatitis B at least annually though 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.
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Hepatitis A B And C: What Is The Difference
A, B, C D and E.
Aside from the letters associated with it, how much do you know about hepatitis? Whats the difference between the types? And if you get a vaccination for hepatitis, which are you protected from?
We spoke with Moises Ilan Nevah, MD, a transplant hepatologist/gastroenterologist and medical director of the Liver Transplant Program at Banner University Medical Center Phoenix, to help better understand the similarities and differences between the various types of hepatitis, who is at risk and when to get vaccinated.
Hepatitis A And B Vaccines
There are vaccines to protect against hepatitis A and B. The CDC recommends hepatitis A vaccination for all children ages 12 to 23 months and for adults who plan to travel or work in areas with hepatitis A outbreaks or who have other risk factors. People with chronic hepatitis B or C should also get the hepatitis A vaccine if they don’t already have immunity to the disease. The hepatitis B vaccine is recommended for all infants at birth and for adults who have any of the risk factors we discussed earlier. There is no vaccine for hepatitis C.
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Parenteral Routes: Transmission Of Hepatitis B Hepatitis D And Hepatitis C
Hepatitis B, C, and D viruses are all transmitted by what is known as the parenteral route. Parenteral simply means that these viruses can be introduced by all routes except through the intestinal tract, which leaves the door wide open in terms of possible exposure. Lets look at the possible transmission routes for each of these types of hepatitis virus more closely.
How Do Ticks Find Their Hosts
Ticks live in grasses and shrubs. They are not very mobile, and for this reason, they find their hosts by chance.
The tick must wait for potential hosts to brush past their location. If this occurs, the tick will attempt to climb onto them.
To climb onto their host, ticks use a technique that scientists call questing. When questing, the tick attaches itself to the tips of grasses or shrubs with its hind legs. It keeps its front legs outstretched. This readies it for grabbing onto potential hosts.
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How Do You Get Hepatitis C
Just like hepatitis B, you can get this type by sharing needles or having contact with infected blood. You can also catch it by having sex with somebody whos infected, but thats less common.
If you had a blood transfusion before new screening rules were put in place in 1992, you are at risk for hepatitis C. If not, the blood used in transfusions today is safe. It gets checked beforehand to make sure its free of the virus that causes hepatitis B and C.
Its rare, but if youre pregnant and have the disease, its possible to pass it to your newborn.
There are some myths out there about how you get hepatitis C, so lets set the record straight. Its not spread by food and water . And you canât spread it by doing any of these things:
See your doctor as soon as possible if you have any of these symptoms.
Sometimes, people have no symptoms. To be sure you have hepatitis, youâll need to get tested.
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What Are The Risk Factors For Hepatitis B And C
Hepatitis B: Although most commonly acquired early in life, adults can also contract it. Hepatitis B is largely transmitted through bodily fluids. It can be passed at birth from a hepatitis B-infected mother or through exposure in early childhood to body fluids, blood or contaminated medical instruments. Hepatitis B can also be transmitted through intranasal and injection drug use as well as infected tools used during tattooing and body piercing.
Hepatitis C: The key risk factors are also intranasal and injection drug use, tattoos and body piercings, high-risk sexual contact, blood transfusions before 1992 and organ transplantation.
Another key risk factor for hepatitis C is being born from 1945 to 1965, during the baby-boom years. Eighty percent of all people who currently have hepatitis C in the United States were born in that timeframe.
Although the reasons that baby boomers are more likely to have hepatitis C than others arent entirely understood, its believed that most were infected in the 1970s and 1980s, when rates of hepatitis C were at their peak.
The Centers for Disease Control and Prevention and the U.S. Preventive Services Task Force recommend that all U.S. adults born from 1945 to 1965 undergo a one-time screening test for hepatitis C. Connecticut is one of several states that has written this recommendation into law. In Connecticut ,the law requires that primary care clinicians screen all adults born within those years.
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