Pungent, slightly bitter and warm in nature.

Meridian, lung and bladder meridian.

The main functions are sweating, dispelling cold, dispersing lung qi, relieving asthma, promoting diuresis and reducing swelling. Used for colds, chest tightness, asthma and cough, and feng shui edema; Bronchial asthma. Honey ephedra moistens lung and relieves cough. It is mostly used for relieving symptoms, asthma and cough.

pharmacological action

1. Anti-asthmatic effect: Ephedrine has relaxing effect on bronchial smooth muscle, and has obvious effect on relieving bronchospasm caused by drugs (such as pilocarpine). Pseudoephedrine and ephedrine have similar spasmolytic effects. methylephedrine can dilate bronchi.

2. Antitussive effect: Ephedra aqueous extract has obvious antitussive effect on cough caused by mechanical stimulation of trachea in guinea pigs, which is about equivalent to codeine phosphate 1/20.

3. Effect on cardiovascular system: Ephedrine can constrict peripheral blood vessels, strengthen cardiac contractility, increase cardiac output and raise blood pressure. Pseudoephedrine has a weak pressor effect.

4. Sweating effect: The water emission (sweating) at the foot bottom of rats in the range of 75 ~ 300 mg/kg showed a dose-dependent sweating effect.

5. It can stimulate the brain, brain stem and spinal cord, and can cause insomnia, anxiety and tremor in large doses. In addition, Ephedra also has diuretic, antiallergic, anti-inflammatory, antipyretic and disease-resistant effects.

Administration and dosage: decoction,1.5-10g; Or into the pill, scattered. External use: appropriate amount, grind the nose of oral animals or apply it. Raw and sweaty, sweating, and water use; It is weak in sweating, and it can moisten the lungs, relieve cough and asthma.

I hope my answer is useful to you.