Notes on live attenuated hepatitis A vaccine

Speaking of vaccinations, there are many types of vaccines that babies must receive before the age of five. These are necessary conditions for attending primary school. The live attenuated hepatitis A vaccine is one of them. After being vaccinated with this vaccine, it can stimulate the body to produce immunity against the hepatitis A virus and is used to prevent hepatitis A. For babies, this is one of the country’s free vaccines. So here I will tell you what to pay attention to when looking for the live attenuated hepatitis A vaccine.

Usage Notes:

1. This is a live attenuated vaccine. Do not allow disinfectant to come into contact with the vaccine when dissolving or injecting it.

2. The vaccine should be a transparent, clear liquid after dissolution. If there is turbidity, sediment that cannot be shaken off, foreign matter, or cracks in the vial, it should not be used.

3. Those who have received immunoglobulin injection should wait for more than one month before receiving this product again.

4. Vaccines should be used within their validity period.

Adverse reactions:

Adverse reactions that may occur after vaccination with live attenuated hepatitis A vaccine:

1. Common adverse reactions:

(1) Generally, pain and tenderness at the injection site may occur within 24 hours after vaccination, and in most cases disappear on their own within 2-3 days.

(2) Generally, a transient fever reaction may occur within 1-2 weeks after vaccination. Most of them are

Mild fever reactions usually last for 1-2 days and then resolve on their own. No treatment is required. If necessary, you can get adequate rest, drink plenty of water, keep warm, and prevent secondary infection. For moderate fever reactions or fever duration exceeding 48 hours, physical methods or medications can be used to treat the symptoms.

(3) After vaccination, a rash may occasionally occur. No special treatment is required, but symptomatic treatment can be used if necessary.

2. Rare adverse reactions:

Severe febrile reaction: Physical methods and drugs should be used to treat the symptoms to prevent high fever convulsions. 3. Extremely rare adverse reactions:

(1) Anaphylactic shock: usually occurs within 1 hour after vaccination. Emergency measures such as injection of epinephrine should be given promptly for treatment.

(2) Allergic rash: Urticaria usually occurs within 72 hours after vaccination. If a reaction occurs, you should seek medical attention promptly and receive anti-allergic treatment.

(3) Allergic purpura: When an allergic purpura reaction occurs, you should seek medical attention promptly and use corticosteroids to give anti-allergic treatment. Improper or untimely treatment may lead to purpuric nephritis.