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Gamunex-C
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Gamunex-C

Generic name:immune globulin (intravenous and subcutaneous) [ im-MYOON-GLOB-yoo-lin ]
Drug class:Immune globulins

Medically reviewed by Philip Thornton, DipPharm. Last updated on Jul 22, 2021.

What is Gamunex-C?

Gamunex-C is a sterilized solution made from human plasma. It contains the antibodies to help your body protect itself against infection from various diseases.

Gamunex-C injection is used to treat primary immunodeficiency (PI). This includes, but is not limited to, congenital agammaglobulinemia, common variable immunodeficiency, X-linked agammaglobulinemia, Wiskott-Aldrich syndrome, and severe combined immunodeficiencies. Gamunex-C is also used to increase platelets (blood clotting cells) in people with idiopathic thrombocytopenic purpura (ITP).

Gamunex-C is also used to treat chronic inflammatory demyelinating polyneuropathy (CIDP), a debilitating nerve disorder that causes muscle weakness and can affect daily activities.

Gamunex-C is administered by injection into a vein (IV) or under the skin (subcutaneously).

Warnings

Gamunex-C can cause blood clots. A blood clot may be more likely if you have risk factors such as heart disease, blood circulation problems, using birth control pills or hormone replacement therapy, a history of blood clots, if you are 65 years or older, if you have been bed-ridden, or while having a central intravenous (IV) catheter in place.

Stop using Gamunex-C and call your doctor at once if you have ever had:

  • signs of a blood clot in the brain - sudden numbness or weakness (especially on one side of the body), slurred speech, problems with vision or balance;

  • signs of a blood clot in the heart or lung - chest pain, rapid heart rate, sudden cough, wheezing, rapid breathing, coughing up blood; or

  • signs of a blood clot in your leg - pain, swelling, warmth, or redness in one or both legs.

Gamunex-C can also harm your kidneys, especially if you already have kidney disease or if you also use certain other medicines. Many other drugs (including some over-the-counter medicines) can be harmful to the kidneys.

Call your doctor at once if you have signs of a kidney problem, such as swelling, rapid weight gain, and little or no urinating.

Drink plenty of liquids while you are using Gamunex-C to help improve your blood flow and keep your kidneys working properly.

Before taking this medicine

You should not use Gamunex-C if:

  • you have had an allergic reaction to an immune globulin or blood product; or

  • you have immune globulin A (IgA) defic...