Varivax Injection 0.5 ml/vial contains Varicella Virus Vaccine, a live attenuated vaccine used to protect against varicella (chickenpox). It helps the body develop immunity by stimulating an immune response against the varicella-zoster virus.

This vaccine is commonly used in children, adolescents, and adults who have not been previously infected or vaccinated against chickenpox. It helps reduce the risk of infection, complications, and transmission.

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Composition

Each 0.5 ml dose contains:

• Live attenuated varicella-zoster virus vaccine

Available as a sterile lyophilized powder with diluent for reconstitution.

Indications

Varivax Injection is indicated for:

• Prevention of varicella (chickenpox)
• Routine immunization in children
• Vaccination of adolescents and adults without immunity
• Protection of high-risk individuals (as advised by physician)
• Outbreak control in susceptible populations

Mechanism of Action

Varivax works by introducing a weakened form of the varicella-zoster virus into the body. This stimulates the immune system to produce antibodies and memory cells without causing the full disease.

As a result, the body develops long-term immunity against future varicella infection.

Dosage and Administration

Varivax Injection should be administered by a healthcare professional.

General guidelines:

• Given as a subcutaneous injection
• Recommended dose: 0.5 ml per dose
• Usually given in 1–2 doses depending on age and immunization history
• Administered in upper arm or thigh region
• Follow national immunization schedule or physician advice

Do not administer intravenously.

Benefits of Varivax Injection

• Provides protection against chickenpox
• Reduces severity if infection occurs
• Helps prevent complications such as pneumonia or skin infections
• Contributes to herd immunity
• Long-lasting immune protection

Possible Side Effects

Some individuals may experience:

• Mild pain or redness at injection site
• Fever
• Mild rash
• Fatigue
• Irritability (in children)

Rare but serious side effects include:

• Severe allergic reactions
• Seizures (very rare, usually due to fever)
• Extensive rash resembling chickenpox

Precautions and Warnings

• Not recommended in pregnant women
• Avoid in severely immunocompromised individuals
• Postpone vaccination during moderate or severe illness
• Use caution in patients with allergy to vaccine components
• Avoid salicylates for several weeks after vaccination (as advised)
• Consult healthcare provider before use

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Storage Instructions

• Store at 2°C to 8°C (refrigerated)
• Do not freeze
• Protect from light
• Use immediately after reconstitution
• Keep out of reach of children

Conclusion

Varivax Injection 0.5 ml/vial (Varicella Virus Vaccine) is a live attenuated vaccine used for the prevention of chickenpox. It helps the body develop strong immunity against varicella infection, reducing disease risk and complications. Proper vaccination under medical guidance ensures effective and long-lasting protection.