Apreon combo pack contains 02 capsules of Aprepitant 80mg and 01 capsule of Aprepitant 125mg.Aprepitant prevents acute and delayed emesis by inhibiting substance P/neurokinin 1 (NK1) receptor. It augments the anti-emetic activity of 5HT-3 receptor antagonists and corticosteroids to inhibit acute and delayed phases of chemotherapy induced emesis.