HBV is found in transmittable levels in body fluids including:
Semen
Vaginal secretions
Saliva
Blood
HBV may be
transmitted:
Sexually (having
unprotected sex with an infected person)
Intravenously
(sharing injecting drug needles or paraphernalia with an infected person)
Neonatally
(mother-to-child if the mother is infected with HBV)
HBV may also be
transmitted in rare cases:
Horizontally (oral
exposure to infected secretions such as saliva). Saliva can be a means of
transmission through bites; however, other types of exposure to saliva,
including kissing, are unlikely ways of transmission.
Risk of transmission
from blood transfusion is currently low in the United States since blood
banks screen donated blood that appears to be infected.
What are the signs or symptoms of Hepatitis B?
Many adults have few or no symptoms. When symptoms are present they may
include:
Anorexia (loss of
appetite)
Malaise
Nausea and vomiting
Abdominal pain
Dark urine
Jaundice (yellowing
of the skin and eyes)
Rash or arthritis may
occur during the prodromal or early acute stage.
Your health care provider
can confirm HBV by using a special blood test to detect HBV particles or
antibodies in the blood.
Babies born to infected
mothers should get blood tests at aged 9 to 15 months to be certain that the
vaccine worked well and that the mother did not pass HBV to her baby during
birth.
Reducing the risk:
Hepatitis B is
preventable through vaccination. Since hepatitis D can only co-exist with
hepatitis B, getting vaccinated against hepatitis B also protects you
against hepatitis D.
The HBV vaccine is
given in a series of three doses.
A new combination
vaccine called Twinrix has been approved for protection from both HAV and
HBV in persons 18 and older. It reduces the total number of injections for
vaccination from both viruses from five to three.
The first and
second doses must be given at least one month apart.
The first and third
doses must be given at least 4 months apart.
If a dose is
missed, it should be given as soon as possible.
The series should
not be restarted if a dose is missed.
Routine booster
doses of the HBV vaccine are NOT currently recommended.
Consult your health
care provider for more information about the HBV vaccine and if it is
right for you.
HIV can impair the
response to the hepatitis vaccine.
Sexual prevention:
Latex condoms are
effective prevention during vaginal, oral and anal sex by reducing contact
with infected bodily fluids (semen, vaginal secretions and blood).
Abstinence and
mutual monogamy also offer a high level of protection.
Hepatitis B can cause:
Chronic infection
Cirrhosis
(scarring) of the liver
Liver cancer
Death
The best news is that
hepatitis B is preventable through vaccination. A person can choose to be
vaccinated and not have to worry.
If you have an acute or chronic hepatitis B infection then you need to talk
to your partner about it so they can decide what option is best for them to
prevent getting infected.
If you find out you have been exposed to hepatitis B, consult your health
care provider as soon as possible to discuss your best options to help
prevent infection.
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