PI Glossary

You'll hear these words and phrases often.

PI, IG, subQ–there’s a lot to remember. But, once you get familiar with these terms, it’s easier to remember them. 

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GAMMAGARD LIQUID is a ready-to-use liquid medicine that contains immunoglobulin G, or IgG, antibodies, which protect the body against infection. These antibodies, collected from the plasma of healthy people, replace the missing antibodies in patients with primary immunodeficiency (PI). GAMMAGARD LIQUID is used to treat PI in people 2 years and older.

GAMMAGARD LIQUID temporarily increases the amount of antibodies in your body to fight germs that can make you sick.

Short-term but serious infections that require immediate medical care

Proteins made by the body to help fight infections

Disease or condition that usually lasts for 3 months or longer and may get worse

Helps your body fight infections

Method of administering fluids into the bloodstream (how you get your medicine)

Through a vein

Intravenous immune globulin, which is a therapy to treat PI that is given as an infusion into a vein

Occur on the body where the medicine is given; these generally go away within a few hours and are less likely after the first few infusions

Patient experience in a clinical trial over the course of 1 year. One patient-year is equal to, for example, the experience of 2 patients for 6 months, or 12 patients for 1 month each

A term used to describe a group of mostly genetic disorders that cause the immune system to not work correctly

Under the skin

Happen through the body, such as a headache or feeling tired