AGENT PROPHYLACTIQUE, AGENT DE SUPPRESSION DE L'APPARITION DE LA MALADIE OU AGENT THERAPEUTIQUE CONTRE DES MALADIES DEMYELINISANTES PROGRESSIVES D'ORIGINE IMMUNOLOGIQUE
The present invention provides a prophylactic agent, an onset-suppressing agent or a therapeutic agent for progressive immune demyelinating diseases, which contains a substance capable of suppressing or inhibiting the production of prolactin as an active ingredient.