The therapeutic field of this remedy is found in so-called psoric manifestations. Psorinum is a cold medicine; wants the head kept warm, wants warm clothing even in summer. Extreme sensitiveness to cold. Debility, independent of any organic disease, especially the weakness remaining after acute disease. Lack of reaction, i.e, phagocytes defective; when well-chosen remedies fail to act. Scrofulous patients. Secretions have a filthy smell. Profuse sweating. Cardiac weakness. Skin symptoms very prominent. Often gives immunity from cold-catching. Easy perspiration when walking. Syphilis, inherited and tertiary. Offensive discharges.