Avaxin
Avaxin Uses, Dosage, Side Effects, Mechanism of Action, How Long Does it Take to Work? Avaxin is a brand name. Its generic name is Hepatitis A Vaccine.
Introduction
Hepatitis A vaccine is an inactivated form of the virus used to prevent infection with hepatitis A. It is a safe and effective vaccine that is recommended for anyone 12 months of age and older.
Uses
The hepatitis A vaccine is used to help prevent infection with the hepatitis A virus. This virus can be spread through contact with contaminated food, water, or other objects. It is most commonly spread through person-to-person contact, often as a result of poor hygiene or coming into contact with feces from someone who is infected.
Mechanism of Action
The hepatitis A vaccine works by introducing a small and safe amount of the virus into the body. This stimulates the body’s immune system to produce antibodies, which can help protect against future infections of the virus.
How Long Does it Take to Work?
The hepatitis A vaccine usually takes two weeks to start working and provide protection. It is important to get the second dose of the vaccine after six to twelve months to ensure long-term protection.
Absorption
The hepatitis A vaccine is absorbed quickly and completely when injected.
Route of Elimination
The vaccine is eliminated from the body through the usual excretory processes such as urine, feces and sweat.
Dosage
The recommended dose of the hepatitis A vaccine for adults is two doses given 6-12 months apart. For children, the recommended dose is a single dose.
Administration
The hepatitis A vaccine is usually given by injection into the deltoid or thigh muscle.
Side Effects
Common side effects of the hepatitis A vaccine include soreness, redness, and swelling at the injection site; fever, nausea, muscle aches, and headache. Serious side effects are rare and may include difficulty breathing, hives, and swelling of the face or tongue.
Toxicity
The hepatitis A vaccine is considered safe and non-toxic. Rarely, people may develop an allergic reaction to the vaccine, which can be serious.
Precautions
People with a severe allergy to a previous dose of the vaccine should not receive the vaccine unless a healthcare provider determines it is safe. People with a weakened immune system from HIV/AIDS or another condition may also not be able to receive the vaccine.
Interaction
The hepatitis A vaccine may interact with certain medications including antibiotics, corticosteroids, and antifungal drugs. It is important to talk to a healthcare provider before getting the vaccine if taking any of these medications.
Disease Interaction
People with certain diseases may not be able to receive the hepatitis A vaccine. These include people with liver disease, aplastic anemia, allergies and immunodeficiency.
Drug Interactions
The hepatitis A vaccine may interact with certain drugs. These include antibiotics, corticosteroids, and antifungal drugs. It is important to talk to a healthcare provider before getting the vaccine if taking any of these medications.
Food Interactions
The hepatitis A vaccine is not known to interact with food or drinks. However, it is important to eat a healthy and balanced diet to get the most benefit from the vaccine.
Pregnancy Use
Although the hepatitis A vaccine is usually safe during pregnancy, women should discuss the risks and benefits of the vaccine with a healthcare provider before getting the vaccine.
Lactation Use
It is not known if the hepatitis A vaccine is excreted in breast milk. However, women who are breastfeeding should discuss the risks and benefits of the vaccine with a healthcare provider before getting the vaccine.
Acute Overdose
There is no evidence of an acute overdose associated with the hepatitis A vaccine.
Contraindication
People with a severe allergy to a previous dose of the hepatitis A vaccine should not receive the vaccine unless a healthcare provider determines it is safe. People with a weakened immune system or certain diseases should not receive the vaccine.
Use Directions
The hepatitis A vaccine should be given as directed by a healthcare provider. It is usually given as an intramuscular injection into the deltoid or thigh muscle.
Storage Conditions
The hepatitis A vaccine should be stored according to the manufacturer’s instructions. It should be kept at room temperature and away from light.
Volume of Distribution
The volume of distribution of the hepatitis A vaccine is not known.
Half Life
The half life of the hepatitis A vaccine is not known.
Clearance
The clearance of the hepatitis A vaccine is not known.
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