Treatment of Parkinson's disease is the main role of levodopa, besides, still can treat heart failure. Someone heart failure patients treated with levodopa, also obtain good effect. Levodopa treatment of heart failure effectively, with levodopa is converted to dopamine in the body, excited heart beta 1 receptor, and activate dopamine receptor, reduce left ventricular afterload. Others to 10 cases of severe heart failure in patients with oral levodopa, began to dose of 250 mg, 6 h1, then increasing daily, 1 g to total 4 g/d. Short-term and long-term use, can make the left ventricular function (increased cardiac index) and hemodynamic systemic vascular resistance (down), and heart rate, mean arterial pressure, pulmonary capillary wedge pressure or right atrial pressure has no obvious change, nor arrhythmia and heart attacks.

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High purity Levodopa can treat peptic ulcer disease. A study of 30 cases of peptic ulcer disease patients treated with levodopa, by X-ray examination, the duodenum, stomach niche disappear niche disappear, 73.3% and 60%, and the urine dopamine and excretion was increased the dopamine. Canker, according to the thought with nausea, norepinephrine and dopamine in urine is reduced, the vagus nerve. And levodopa can strengthen the sympathetic nervous tension and reaction, restore the balance of the vagus nerve and sympathetic nerve.

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Levodopa other function: used for the treatment of patients with neuropathic pain, can make the pain disappear or reduce. For herpes zoster concurrent intercostals neuralgia, vascular headache, sciatica, all can use. Also to treat some mental symptoms after cerebral infarction levodopa rapidly after entering brain tissue, can be converted to dopamine, makes up for the lack of dopamine in the body, so that the mental symptoms gotobvious improvement. High purity levodopa may increase the catecholamine concentration of blood to the tissue, thus promotes the growth of hair.