It belongs to pungent and warm drugs for relieving exterior syndrome, and has the effects of sweating, relieving exterior syndrome, dispersing lung qi, relieving asthma, inducing diuresis and reducing swelling. It can be used for the treatment of wind-cold common cold (that is, common cold without sweating), cough, asthma and geomantic edema. Most of them are sweating and relieving exterior syndrome, and most of them are coughing and wheezing. Decocting: 2-9g
Ephedra contains ephedrine, which can excite the heart, contract blood vessels and raise blood pressure; It has obvious exciting effect on the central nervous system and can cause excitement, insomnia and anxiety. Volatile oil has inhibitory effect on influenza virus.
Therefore, people with yin deficiency and excessive fire, heart disease, hypertension and insomnia should use it with caution.
Ephedra is not a medicine. If used correctly, it is a good medicine that can help us.