Congenital Alpha1-antitrypsin Deficiency × Congenital Alpha1-antitrypsin Deficiency medications come in various forms•intravenous injection • Watch these videos. Products used to treat congenital alpha1-antitrypsin deficiency include •Prolastin®-C •Active ingredients used to treat congenital alpha1-antitrypsin deficiency include•alpha 1-antitrypsin •