1. A mixture of levomylnacipran and dextromylnacipran containing dextromylnacipran in a concentration not exceeding 5 wt.% Of this mixture, used as a medicine for recovery and functional rehabilitation after an acute neurological disorder and its relapses. 2. The mixture according to claim 1, used for patients who are diagnosed with acute cerebrovascular accident of ischemic or hemorrhagic origin. The mixture according to claim 1, used for patients who are diagnosed with traumatic brain damage. A pharmaceutical composition containing at least one pharmaceutically acceptable excipient and a mixture of levomylnacipran and dextromylnacipran containing dextromylnacipran in a concentration not exceeding 5 wt.% Of this mixture as an active ingredient, used as a medicine for recovery and functional rehabilitation after an acute neurological disorder and its relapses. 5. The pharmaceutical composition according to claim 4, used for patients who are diagnosed with acute cerebrovascular accident. The pharmaceutical composition according to claim 4, used for patients diagnosed with traumatic brain damage. A pharmaceutical composition according to any one of claims 4 to 6, characterized in that the daily dose of levomylnacipran is from 50 to 200 mg. The pharmaceutical composition according to any one of claims 4 to 6, characterized in that said composition is in a form having a modified absorption in the intestine, which makes it possible to administer one dose per day.1. Смесь левомилнаципрана и декстромилнаципрана, содержащая декстромилнаципран в концентрации, не превышающей 5 масс.% данной смеси, применяемая в качестве лекарственного средства для восстановления и функциональной реабилитации после острого неврологического нарушения и его рецидивов.2. Смесь по п.1, применяемая для пациентов, у которых диагностировано острое нарушение мозгового кровообращения ишемического или геморрагического происхождения.3. Смесь по п.1, применяемая для пациентов, у которых диагностировано тр