Properties:
Bitter
Acrid
Warm

Channels affected:
Kidney
Bladder

Uses:
Expels Wind Damp and alleviates pain. Used for Wind Damp Bi syndrome, especially when the low back and legs are affected. Also used for Headaches of the same aetiology.

Contraindications/precautions:
Contraindicated in yin deficiency with Heat and in patterns of Blood deficiency with obstruction.