Description
Havrix (HM 1440 Hepatitis A Virus Strain) 1440 for Adults
Havrix is a vaccine used to protect against the hepatitis A virus. It contains the HM 1440 hepatitis A virus strain and is designed for use in adults.
Overview
Havrix is administered as an injection, with each dose containing 1440 units of the hepatitis A virus strain. It is typically given as a single dose of 1 ml. using a syringe.
Indications
Havrix is indicated for use in adults who are at risk of exposure to the hepatitis A virus. This includes individuals traveling to regions where hepatitis A is common, those with certain medical conditions, and healthcare workers.
Mechanism of Action
When administered, Havrix helps the body develop immunity to the hepatitis A virus by stimulating the production of antibodies. This immune response provides protection against future infection with the virus.
Administration
Havrix is administered as an intramuscular injection, usually into the deltoid muscle of the upper arm. The vaccine should not be injected into a vein or subcutaneously.
Dosage
The recommended dosage of Havrix for adults is a single dose of 1 ml, containing 1440 units of the hepatitis A virus strain. Additional doses or booster shots may be recommended based on individual risk factors and vaccination history.
Side Effects
Common side effects of Havrix may include pain, redness, or swelling at the injection site, as well as mild fever, headache, or fatigue. Serious side effects are rare but may include allergic reactions or severe injection site reactions.
Contraindications
Havrix should not be given to individuals with a known hypersensitivity to any component of the vaccine, including neomycin or formaldehyde. It is also not recommended for individuals who have had a severe allergic reaction to a previous dose of the vaccine.
Precautions
Pregnant or breastfeeding individuals should consult with their healthcare provider before receiving Havrix. It is important to inform the healthcare provider of any existing medical conditions or allergies before vaccination.
Storage
Havrix should be stored in the refrigerator between 2°C and 8°C (36°F and 46°F) and protected from light. Do not freeze the vaccine, and check the expiration date before administration.
Conclusion
Havrix is a vaccine that provides protection against the hepatitis A virus in adults. By stimulating the production of antibodies, it helps the body develop immunity to the virus and reduce the risk of infection. It is important to follow the recommended dosage and administration guidelines for optimal effectiveness.