Qiang Huo is also known as Incised Notopterygium Rhizome. The bitter, acrid and warm herb has been used in TCM as an antibiotic agent and to treat cold and flu, rheumatoid arthritis, headache, body ache,   muscle spasm, tetanus, etc., as it releases the Exterior, disperses Cold and Dampness, expels Wind, calms pain, etc. by enhancing …