Alpha 1-proteinase Inhibitor, Human (Systemic)

Brand Names : Aralast, Prolastin, alpha 1-antitrypsin

Proper Use of This Medicine

In order for alpha ₁ -proteinase inhibitor (alpha ₁ -PI) to work properly, it is important that you receive this medicine once a week on a regular schedule . If you have any questions about this, check with your doctor.

Dosing - The dose of alpha ₁ -proteinase inhibitor will be different for different patients. Follow your doctor's orders or the directions on the label . The following information includes only the average dose of alpha ₁ -proteinase inhibitor. If your dose is different, do not change it unless your doctor tells you to do so.

• For emphysema caused by lack of the protein alpha ₁ -antitrypsin in the body :
  • For injection dosage form:
    • Adults - Dose is based on body weight and must be determined by your doctor. The usual dose is 60 milligrams (mg) per kilogram (kg) (27 mg per pound) of body weight, slowly injected into a vein over a period of several minutes. This dose is given once a week.
    • Children - Use and dose must be determined by your doctor.