<p>Fu Zi Xie Xin Tang is used for a Xie Xin Tang pattern with obstructed interior water toxins (aversion to cold and sweating).</p>

<p>Comparing aversion to cold and sweating patterns. Aversion to cold with sweating indicates obstructed interior water toxins. Aversion to cold without sweating indicates obstructed water toxins below the surface.</p>
