It has the effects of dispelling cold, dispersing lung qi, relieving asthma, promoting diuresis, relieving swelling, dispersing cold and resolving hard mass, dispersing lung qi and activating exterior. Indications: wind-cold exterior syndrome, asthma and cough syndrome, geomantic edema, rheumatic joint pain, phlegm turbidity, gangrene, urticaria, etc.
2, clinical use taboo:
(1) Ephedra has strong sweating ability, so it should be used with caution by ordinary children, elderly patients and people with weak constitution. Although the syndrome belongs to exogenous wind-cold, it should be used with caution for those who are sweating.
(2) Ephedra is generally suitable for the treatment of excess syndrome, and its clinical manifestations are aversion to wind and cold, shortness of breath, fatigue, spontaneous sweating during exercise, pale tongue with white fur and weak pulse.
(3) Ephedra is warm in nature, pungent in taste, rather dry and intense, and easy to injure yin and promote blood circulation. Yan Jie said, "Sweat with ephedra, soak your hair in cold water, and beat your hair with oysters and glutinous rice flour. Excessive cold pathogen, weak pulse, cold sweating, anemia, deficiency of true yin, deficiency of defensive qi, spring plague, fever and aversion to cold, no headache, body pain and anxiety are all prohibited. Sometimes I have a headache and physical pain, so I have to check it carefully if I am anxious. "
(4) Yin deficiency of liver and kidney, hyperactivity of liver yang, clinical manifestations are headache, dizziness, night sweats, red tongue with yellow coating and strong pulse, which should be avoided.
(5) Women with yin deficiency and blood heat whose clinical manifestations are hematemesis, hemoptysis, hematochezia, hematuria, epistaxis, subcutaneous purpura or menorrhagia should not be used, although they have symptoms such as exogenous cold, chest tightness and cough.
(6) Patients with insufficient heart blood and uneasy mind and clinical manifestations such as palpitation, chest tightness, asthma, edema of lower limbs, dysuria, pale tongue with white fur and rapid pulse should not use it.
(7) Prudent skin with macula, use with caution if the color turns red.
(8) Self-sweating due to wind-cold exterior deficiency, chronic asthma, internal heat due to yin deficiency, and hyperactivity of liver yang are contraindicated.
(9) Ephedrine can stimulate bladder sphincter. If it is used too much or for too long, it can reduce the urine volume, and even cause urinary retention or urinary closure, so those with poor urination and less urine volume should use it with caution.
(10) Modern pharmacological research shows that Herba Ephedrae can excite the central nervous system and raise blood pressure, so people who are upset, irritable, palpitation and insomnia and hypertensive should use it with caution.