Fear and fright may trigger disturbances in this system. Internal Cold is associated with diarrhea, feeling cold, lethargy, a pale tongue, fatigue and slowing down of body processes. Any pains you have may be eased by the application of warmth. Internal Heat is associated with feeling hot and hyperactivity. You may talk too much, crave cold drinks, have a rapid pulse and a red tongue.
Secretions become thick, and dark, with a strong smell.
Internal Dampness is associated with nausea, lack of appetite, diarrhea, tumors, coughing, bloating and edema. You may have a swollen tongue or thick tongue fur. Internal Dryness manifests with asthma, a dry cough and dry skin. You may be constipated, feel parched. When dryness is combined with a heat condition, you will develop redness.