Symptoms Heavy dampness in summer is usually categorized into internal and external dampness, which manifests itself in symptoms such as heaviness in the head, weakness in the limbs, fatigue and indigestion. 1. Internal dampness: Internal dampness usually refers to the pathology of spleen and kidney yang deficiency (deficiency of yang qi in the spleen and kidneys), which leads to the stagnation of water and fluid in the body, resulting in the internalization of dampness and turbidity. In the summer, heavy internal dampness will be manifested as loss of appetite, heavy head like wrapping, dizziness, loose stools, small amount of urine, sticky mouth, and so on. 2. External dampness: external dampness is often caused by external dampness, including humid climate, often engaged in underwater work, living in the wetlands for a long time. In summer, external dampness is manifested as heavy limbs (limb weakness, fatigue), soreness, dizziness, headache, and so on. If there is heavy dampness in summer, you should go to the hospital as soon as possible to avoid aggravating your condition. Daily should also try to avoid eating cold, spicy, stimulating food, and appropriate physical exercise, can help alleviate the situation of heavy dampness.