What Are the Symptoms of “Excessive Internal Heat”?
May 09, 2022
Source: Cainiu Health
Dr. He Haochen
Introduction
Symptoms of “excessive internal heat” (Shanghuo) include redness and swelling of the eyes, ulceration at the corners of the mouth, dark yellow urine, toothache, and sore throat. “Excessive internal heat” primarily manifests as heat-related syndromes, often accompanied by symptoms of fluid depletion. Clinically, its presentation ranges from mild to severe. A common severe manifestation is heatstroke—caused by prolonged exposure to excessively hot, humid, and poorly ventilated environments with inadequate hydration—characterized by fever and even loss of consciousness; this represents a classic externally contracted fire-heat syndrome.
In daily life, “internal heat” (a traditional Chinese medicine concept often translated as “excessive fire”) may arise due to improper diet, high work-related stress, or prolonged insufficient water intake. What, then, are the symptoms of “internal heat”?
What Are the Symptoms of Internal Heat?
Symptoms of internal heat include redness and swelling of the eyes, cracked or ulcerated corners of the mouth, dark yellow urine, toothache, and sore throat. Internally generated heat primarily manifests as heat-related syndromes, sometimes accompanied by signs of fluid depletion (e.g., dry mouth, thirst). Clinically, manifestations of internal heat range from mild to severe. A typical severe case is heatstroke, commonly resulting from prolonged exposure to excessively hot, humid, and poorly ventilated environments with inadequate hydration. Symptoms may include fever and even loss of consciousness—representing a classic externally contracted “fire-heat” syndrome. In contrast, the “internal heat” commonly referred to in everyday language is usually milder and corresponds to mild heat syndromes in Traditional Chinese Medicine (TCM), such as eye redness and swelling, oral ulcers, toothache, or sore throat—without accompanying systemic heat signs (e.g., high fever or aversion to heat). In such cases, internally generated heat is more common than externally contracted heat. Contributing factors include chronic stress, frequent late-night activity, and excessive consumption of spicy foods—all of which tend to promote internal heat accumulation.
Experiencing internal heat can be extremely uncomfortable: it causes marked dryness of the throat and skin, and may even trigger or exacerbate certain illnesses. After developing internal heat, individuals may choose cooling, heat-clearing foods to alleviate symptoms—thereby relieving discomfort without adverse side effects, since these are natural food items. In TCM, milk is considered a relatively “cold” (cooling) food and contains abundant water, effectively helping to replenish fluids and nourishment; thus, regular consumption of milk may help clear internal heat. Strawberries possess properties that clear summer-heat and relieve heat, while soybeans also have heat-clearing effects.
In daily life, drink plenty of water, consume ample fruits, and limit intake of spicy foods. We hope this information proves helpful!
