Commonly combined with:
• A. Acrid, warm herbs that relieve exterior syndromes when there is exogenous cold attack.
• B. Herbs that promote Qi circulation when there is Qi stagnation associated.
• C. Herbs that tonify spleen and/or kidney Yang when there is Yang deficiency of either organ.
• D. Herbs that tonify source Qi when there is Yang collapse.

• These herbs are to be used with caution for patients with heat, Yin deficiency, or in pregnant women.