<p>Ge Gen Tang is used for a combined Gui Zhi Tang and Ma Huang Gan Cao Tang pattern with congealed water toxins below the surface (stiffness and tightness of the nape and upper back, inability to sweat and aversion to cold, clenching, inability to speak). When congealed water toxins below the surface warm, obstructed water is directed to the intestines for elimination that can present as watery-loose stools (spontaneous watery-loose stool).</p>

<p>Splashing in the left upper quadrant below the costal cartilage for Ge Gen Tang patterns with spontaneous watery-loose stool indicates surface level obstructed water has moved inwards.</p>
