Hepatitis A Vaccine

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HEPATITIS A VACCINE

Hepatitis A Vaccine 1

1.       TYPE OF DRUG – HEPATITIS A VACCINE
Hepatitis A vaccine (Havrix, Vaqta) is used to prevent hepatitis A, a type of liver disease that is caused by the hepatitis A virus (HAV).

 

2.       INDICATIONS (USE) – HEPATITIS A VACCINE
Preventing hepatitis A infection in patients 12 months old and older.

Hepatitis a vaccine is a vaccine. It works by stimulating the body to produce antibodies against hepatitis A infection.

 

3.       MECHANISM OF ACTION (MOA) – HEPATITIS A VACCINE
Attenuated strain of hepatitis A virus (HAV) which stimulates active immunity.

 

4.       ROUTES OF ADMINISTRATION – HEPATITIS A VACCINE
Injection

 

5.       ONSET OF EFFECT OR ACTION – HEPATITIS A VACCINE
4 week

 

6.    DOSAGE (DOSING INFORMATION) – HEPATITIS A VACCINE
Hepatitis A vaccine is administered by injection into the muscle of the upper arm. Two separate shots of 0.5 ml for children and 1 ml for adults are required and should be given 6 to 12 months apart (Havrix) or 6 to 18 months apart (Vaqta). Hepatitis A vaccine may be given at the same time as other vaccines.

 

  • Children should be vaccinated at 12 through 23 months of age.
  • Alternatively, anyone over the age of 12 months who wishes to be protected from the hepatitis A virus can be vaccinated at any time.
  • Travelers are advised to get vaccinated at least 2 weeks before travelling.

 

7.       HALF LIFE (DURATION OF ACTION) – HEPATITIS A VACCINE
duration is long lasting (years)

 

8.       ADVERSE EFFECTS OR SIDE EFFECTS – HEPATITIS A VACCINE
  • tiredness
  • headache
  • loss of appetite
  • nausea
  • a slightly raised temperature – a normal temperature is 36-36.8ºC (96.8-98.24ºF)

 

9.       CONTRAINDICATIONS – HEPATITIS A VACCINE
Documented hypersensitivity

 

10.   DRUG INTERACTIONS – HEPATITIS A VACCINE
  • People with a weak immune system may not fully benefit from the vaccine.
  • Some medications may decrease the effectiveness of the hepatitis A vaccine. Examples include fingolimod (Gilenya), belimumab (Benlysta), anakinra (Kineret), adalimumab (Humira), infliximab (Remicade), antineoplastic agents (anti-cancer medications), and other drugs that suppress the immune system.
  • Cancer patient’s receiving treatment with anti-cancer medications and those taking immunosuppressant medications should ask their doctor or pharmacist if the hepatitis A vaccine is right for them.

 

11.     EXCRETION – HEPATITIS A VACCINE
excreted in human milk

 

Hepatitis A Vaccine 2By Medifit Education

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