What is Varizig? Uses, warnings & side effects

Updated May 14, 2025  •  Published Sep 24, 2021

Varizig overview

BRAND NAMES:

  • Varizig

Generic Names:

  • Varizig

Uses:

  • Prevents infection with chickenpox.

Therapeutic Classes:

  • Immune Serum

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Varizig used for?

What form(s) does Varizig come in?

  • Injectable

What are common Varizig dosages?

  • Vial 1.2ML of 125UNIT/1.2ML

Varizig images - What does Varizig look like?

  • Varizig
    1.2000000476837158ml of 125unit/1.2ml vial

  • Varizig
    1.2ml of 125unit/1.2ml vial

How to take Varizig

  • Injection routeA nurse or other health provider will give you this medicine. This medicine is given as a shot into a muscle or into a vein.

What to do if you miss a dose of Varizig

Varizig contraindications - Who shouldn't take Varizig?

  • You should not receive this medicine if you have had an allergic reaction to human immune globulin, or if you have immunoglobulin A deficiency, have had a varicella infection, or have received a varicella vaccine.

Varizig warnings

  • Make sure your doctor knows if you are pregnant or breastfeeding, or if you have kidney disease, heart disease, lung disease, bleeding or blood clotting problems, or if you have any illness that weakens your immune system, such as HIV or AIDS, cancer, or an infection.

  • Blood clotting problems may occur. Tell your doctor right away if you have chest pain, trouble breathing, trouble seeing or speaking, sudden or severe headache, or numbness or weakness in your arm, leg, or one side of your body.

  • This medicine is made from donated human blood. Some human blood products have transmitted viruses to people who have received them, although the risk is low. Human donors and donated blood are both tested for viruses to keep the transmission risk low. Talk with your doctor about this risk if you are concerned.

  • Pain in your lower leg (calf)

  • Sudden or severe headache, problems with vision, speech, or walking

Varizig interactions & what to avoid when taking Varizig

  • Make sure your doctor knows if you are using medicines that weaken your immune system, such as a steroid or cancer medicine.

  • Live virus vaccines (such as measles, mumps, rubella, varicella) should not be given within 3 months after receiving this medicine.

  • This medicine is made from donated human blood. Some human blood products have transmitted viruses to people who have received them, although the risk is low. Human donors and donated blood are both tested for viruses to keep the transmission risk low. Talk with your doctor about this risk if you are concerned.

Varizig side effects - How does Varizig make you feel?

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Chest pain, trouble breathing, coughing up blood

  • Numbness or weakness in your arm or leg, or on one side of your body

  • Pain in your lower leg (calf)

  • Sudden or severe headache, problems with vision, speech, or walking

Less Serious Side Effects

  • Fever, chills, nausea

  • Headache

  • Pain, itching, burning, swelling, or lump under your skin where the shot was given

  • Skin rash

  • Tiredness

Subscribe to our savings newsletter

Health education, drug info, wellness & more

By clicking 'Subscribe', I agree to SingleCare's Terms & Conditions.