真武汤为回阳救逆之剂 ,其主要功能是温阳利水。一者 ,主治肾阳衰微 ,水气内停 ,小便不利 ,四肢沉重酸痛 ,恶寒腹痛 ,或咳 ,或呕 ,或下利 ,或肢体水肿 ,苔白不渴 ,脉象沉细的病症 ;再者 ,主治外感表症 ,发汗太过 ,阳气大虚 ,水气内动 ,心悸头眩 ,苔白滑 ,口不渴 ,脉沉小的病症 Zhenwu Tang is the agent of Huiyang Rescue, its main function is warm Yangshui. In one case, the attending kidney yang declines, the water vapor stops, the urination is unfavorable, the limbs are heavy and sore, the aversion to cold and abdominal pain, or the cough, or vomiting, or getting profit, or the limb edema, the white moss is not thirsty, the pulse phenomenon is fine; Indications: Indications of exogenous epiphenomenon, excessive sweating, yang deficiency, water vapor movement, dizziness in heart, white slippery moss, poor thirst, small pulse