It only affects people who are already infected with hepatitis B, as it needs the hepatitis B virus to be able to survive in the body. Hepatitis D is usually spread through blood-to-blood contact or sexual contact.
Long-term infection with hepatitis D and hepatitis B can increase your risk of developing serious problems, such as cirrhosis and liver cancer. There's no vaccine specifically for hepatitis D, but the hepatitis B vaccine can help protect you from it. Hepatitis E is caused by the hepatitis E virus. The number of cases in Europe has increased in recent years and it's now the most common cause of short-term acute hepatitis in the UK.
The virus has been mainly associated with the consumption of raw or undercooked pork meat or offal, but also with wild boar meat, venison and shellfish. Hepatitis E is generally a mild and short-term infection that does not require any treatment, but it can be serious in some people, such as those who have a weakened immune system.
There's no vaccine for hepatitis E. When travelling to parts of the world with poor sanitation, where epidemic hepatitis E may be common, you can reduce your risk by practising good food and water hygiene measures. The British Liver Trust has more information about hepatitis E. Alcoholic hepatitis is a type of hepatitis caused by drinking excessive amounts of alcohol over many years. This is because it does not usually cause any symptoms, although it can cause sudden jaundice and liver failure in some people.
Stopping drinking will usually allow your liver to recover, but there's a risk you could eventually develop cirrhosis, liver failure or liver cancer if you continue to drink alcohol excessively. It's recommended that you do not regularly drink more than 14 units of alcohol a week. Read more about alcohol-related liver disease and the health risks associated with alcohol. Autoimmune hepatitis is a rare cause of long-term hepatitis in which the immune system attacks and damages the liver.
But not everyone with hepatitis A develops them. If you do, hepatitis signs and symptoms can include:. These symptoms may be relatively mild and go away in a few weeks. Sometimes, however, hepatitis A infection results in a severe illness that lasts several months. Getting a hepatitis A vaccine or an injection of immunoglobulin an antibody within two weeks of exposure to hepatitis A may protect you from infection. Ask your doctor or your local health department about receiving the hepatitis A vaccine if:.
There is a problem with information submitted for this request. Subscribe for free and receive your in-depth guide to digestive health, plus the latest on health innovations and news. You can unsubscribe at any time.
Error Email field is required. Error Include a valid email address. To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you. If you are a Mayo Clinic patient, this could include protected health information.
If we combine this information with your protected health information, we will treat all of that information as protected health information and will only use or disclose that information as set forth in our notice of privacy practices.
You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail. Your in-depth digestive health guide will be in your inbox shortly. You will also receive emails from Mayo Clinic on the latest health news, research, and care. Hepatitis A is caused by a virus that infects liver cells and causes inflammation. The inflammation can affect how your liver works and cause other signs and symptoms of hepatitis A. The virus most commonly spreads when you eat or drink something contaminated with fecal matter, even just tiny amounts.
It does not spread through sneezing or coughing. Unlike other types of viral hepatitis, hepatitis A does not cause long-term liver damage, and it doesn't become chronic. In rare cases, hepatitis A can cause a sudden loss of liver function, especially in older adults or people with chronic liver diseases. Hepatitis A Hep A is liver inflammation caused by the hepatitis A virus.
Hepatitis A is different from other types of hepatitis. Hepatitis A is very contagious. This means that you can easily catch the virus from someone or give it to someone else. You are most contagious soon after you are infected and before symptoms appear. Adults who are otherwise healthy are no longer contagious 2 weeks after the illness begins. Children and people who have a weak immune system may be contagious for up to 6 months.
The hepatitis A virus is usually in your system for 2 to 6 weeks before symptoms appear. Some people never have symptoms. If symptoms do appear, they can appear suddenly and may include:. Young children are likely to have mild cases of hepatitis A, while symptoms in older children and adults are more likely to be severe. Hepatitis A is caused by infection with the hepatitis A virus.
You get the virus when you unknowingly eat a small amount of infected feces. This can happen through person-to-person contact, or through eating or drinking contaminated food or water. A person can have and spread hepatitis A, even if that person does not have any symptoms. You are most likely to get hepatitis A from another person when:. You can also get infected with hepatitis A by eating contaminated food or drinking contaminated water. Contaminated food and water are more common in developing countries.
When traveling in areas where hepatitis A is common, avoid eating raw fruits and vegetables, shellfish, ice, and untreated water. See your doctor if you have any of the symptoms of hepatitis A. They can do a blood test to see if you have the disease. There is no specific medicine to treat or cure hepatitis A. If you have the virus, your body will eventually get rid of the infection on its own. You probably will feel sick for a few months before you begin to feel better. To help your liver heal, you should get plenty of rest, eat a balanced diet and avoid alcohol and acetaminophen one brand name: Tylenol.
Talk with your doctor before you take any prescription medicines, over-the-counter medicines, vitamins, or supplements. Alcohol, acetaminophen, and certain other medicines, vitamins, and supplements can cause more damage to your liver. You may need to stay in the hospital for a short time if you get dehydrated, have severe pain, suddenly become confused, or develop bleeding problems.
0コメント