Gastrodia & Gambir Combination (wind-dispelling formula) EFFECTS: hyperactivity of liver yanq. INDICATION: headache and dizziness ; tinnitus; palpitation and insomnia; numbness and tremor of the limbs. CLINICAL REFERENCE: This formula is often used in treating hypertension, brain disease due to hypertension, and cephalic atherosclerosis. It has prominent effect in lowering blood pressure.