by meign » Oct 5, 2010 2:09 am
Hepatitis C Causes
* HCV is not related to the other viruses that cause hepatitis. Like the other hepatitis viruses, however, it is contagious. The hepatitis C virus is transmitted mainly by contact with blood or blood products.
o Sharing of contaminated needles among IV drug users is the most common mode of transmission. Using a needle to inject recreational drugs, even once several years ago, is a risk factor for hepatitis C.
o Transfusion with infected blood or blood products, hemodialysis, or transplantation of organs from infected donors was once a common mode of transmission but is now rare.
* In 1992, a test became available for checking blood for HCV. Blood and blood products are now tested to ensure that they are not contaminated. As a result, cases of hepatitis C related to transfusion, hemodialysis, or transplantation have dropped to almost zero since then. Transfusion of blood or blood products before 1992 is a risk factor for hepatitis C.
* Less common causes of HCV transmission include the following:
o From mother to infant at the time of childbirth
o Through sexual intercourse with an infected person: Having multiple sex partners is a risk factor.
o Needle sticks with HCV-contaminated blood: This is mostly seen in health care workers. The risk of developing HCV infection after a needle stick is about 5-10%.
* You cannot get hepatitis C by living with, being near, or touching someone with the disease. You can get the disease by sharing a razor, nail clippers, or other such items with an infected person.
* The source of transmission is unknown in about 10% of people with acute hepatitis C and in about 30% of people with chronic hepatitis C.
Prevention
Right now, there is no vaccine for the prevention of HCV transmission. The best means of preventing transmission of HCV is to prevent contact with infected blood and organs and to avoid high-risk sexual behavior such as multiple partners and anal contact.
Avoiding alcohol and drugs that can damage the liver may help slow the rate of progression of the disease.
Source: emedicinehealth