What are the efficacy, main treatment and dosage of Wei Ling Xian?

Wei Ling Xian has the efficacy of dispelling wind-dampness, eliminating bones and throat, and treating wind-dampness paralysis (joint and muscle pains caused by wind-cold-dampness), bones and throat, etc. The dosage is 6~9g.
1. Efficacy: Wei Ling Xian has the efficacy of dispelling wind-dampness, clearing channels and relieving pain, and eliminating bone fracture.
2. Indications: Wei Ling Xian can be used in the treatment of rheumatism paralysis, which is characterized by numbness of the limbs, contracture of tendons and veins (persistent tension and stiffness of muscles), and unfavorable flexion and extension. It can also be used to treat bone and throat, in addition, Wei Ling Xian has the efficacy of clearing the meridians and collaterals to relieve pain, and can be used to treat bruises, headache, toothache, stomach and epigastric pain, and so on.
3. Dosage: Usage: Decoction, commonly used 6 ~ 9g, specific should consult a professional physician, external use of appropriate amount.
The adverse effects of Wei Ling Xian have not been clarified, allergy is prohibited, caution should be taken when the qi and blood are weak, should be used under the guidance of clinicians.