Symptoms: Fear of cold, cold extremities, sore and weak lower back and lower extremities, pale tongue and a deep and weak pulse. Impotence, spermatorrhea, watery vaginal discharge, infertility, enuresis, polyuria, wheezing, daybreak diarrhea.
Warm and drying; may injure yin and assist the fire (not for patients with yin deficiency).
Tonify kidneys, strengthen yang - impotence, male or female infertility, premature ejaculation, frequent urination, urinary incontinence, irregular menses, low back pain and weakness, cold and painful abdomen.
Strengthen sinews and bones - back pain, muscular atrophy.
Expel wind/damp cold - back and leg qi pain, bi syndromes.