What is Cytogam? Uses, warnings & side effects

Updated May 14, 2025  •  Published Jun 18, 2023

Cytogam overview

BRAND NAMES:

  • Cytogam

Generic Names:

  • Cytogam

Uses:

  • Helps prevent or lessen the severity of illness caused by cytomegalovirus (CMV) after organ transplant.

Therapeutic Classes:

  • Immune Serum

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Cytogam used for?

What form(s) does Cytogam come in?

  • Injectable

What are common Cytogam dosages?

  • Vial 50ml of 50mg/ml

Cytogam images - What does Cytogam look like?

  • Cytogam
    50ml of 50mg/ml vial

How to take Cytogam

  • Your doctor will prescribe your exact dose and tell you how often it should be given.Injection routeA nurse or other health provider will give you this medicine. This medicine is given through a needle or a catheter placed in a vein.

What to do if you miss a dose of Cytogam

Cytogam contraindications - Who shouldn't take Cytogam?

  • This medicine is not right for everyone. You should not receive it if you had an allergic reaction to any human immune globulin, or if you have an immunoglobulin A deficiency.

Cytogam warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have diabetes, kidney disease, heart disease, or blood circulation problems.

  • 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.

  • Talk to your doctor before you get live virus vaccines such as measles, mumps, and rubella. Vaccines may not work as well if they are given within 3 months of using this medicine.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Confusion, dizziness, seizures

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

  • Pain in your lower leg (calf), problems with vision, speech, or walking

  • Rapid weight gain, swelling in your legs or feet

  • Sudden or severe headache, stiff neck, nausea, vomiting, eye pain or sensitivity to light, fever, drowsiness

  • Unusual bleeding, bruising, tiredness, or weakness

  • Yellow skin or eyes

Cytogam interactions & what to avoid when taking Cytogam

  • Some medicines can affect how cytomegalovirus immune globulin works. Tell your doctor if you are using any medicines that may affect your kidneys.

  • 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.

  • Talk to your doctor before you get live virus vaccines such as measles, mumps, and rubella. Vaccines may not work as well if they are given within 3 months of using this medicine.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Cytogam side effects - How does Cytogam make you feel?

Serious Side Effects

  • Unusual bleeding, bruising, tiredness, or weakness

  • Pain in your lower leg (calf), problems with vision, speech, or walking

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

  • Sudden or severe headache, stiff neck, nausea, vomiting, eye pain or sensitivity to light, fever, drowsiness

  • Confusion, dizziness, seizures

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

  • Blistering, peeling, red skin rash

  • Chest pain, trouble breathing, pale or blue skin or nails

  • Cloudy or bloody urine, decrease in how much or how often you urinate

  • Rapid weight gain, swelling in your legs or feet

  • Yellow skin or eyes

Less Serious Side Effects

  • Mild nausea or vomiting

  • Warmth or redness in your face, neck, arms, or upper chest

  • Muscle cramps, back or joint pain, stomach pain

  • Pain, burning, swelling, or skin changes in the area where the medicine is given