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C1 inhibitor (C1-INH) is a vital blood protein that regulates the immune, clotting, and inflammation systems. When this protein is missing or does not work right, it causes painful and dangerous swelling in the face, throat, or stomach. Doctors use C1 inhibitor replacement medications to treat these swelling attacks.
C1 inhibitor (C1-INH) is a vital blood protein that regulates the immune, clotting, and inflammation systems. When this protein is missing or does not work right, it causes painful and dangerous swelling in the face, throat, or stomach. Doctors use C1 inhibitor replacement medications to treat these swelling attacks.