Traditional Chinese Medicine Definition

Internal Injury-Induced Fever (Chronic Low Fever)
In traditional Chinese medicine, Internal Injury-Induced Fever, also known as chronic low fever, is a type of disease related to Qi, blood, and body fluid imbalances. As recorded in the classical text "Internal Medicine of Traditional Chinese Medicine," Internal Injury-Induced Fever refers to a condition caused by dysfunction of the internal organs, leading to an imbalance of Qi, blood, and Yin and Yang, which manifests as a low-grade fever. The characteristic of this fever is that it is not very high and lasts for a long time, often accompanied by symptoms such as dizziness, fatigue, palpitations, and insomnia.

In clinical practice, Internal Injury-Induced Fever is a common disease pattern, with its core pathogenesis being the dysfunction of internal organs and an imbalance of Qi, blood, and Yin and Yang. Common triggers include emotional disturbances, irregular diet, and improper work and rest. During the process of differentiation, it is important to distinguish between cold and heat, deficiency and excess. For instance, Yin Deficiency-induced fever is characterized by afternoon heat, hot palms and soles, dry mouth and throat, and night sweats, with the treatment approach focusing on nourishing Yin and clearing heat, and removing deficiency and vapor. On the other hand, Qi Deficiency-induced fever is characterized by an increase in fever after exertion, accompanied by fatigue and weakness, with the treatment approach emphasizing invigorating Qi, strengthening the spleen, and clearing heat. The overall approach to treatment suggests that attention should be paid to harmonizing Yin and Yang, adjusting the function of internal organs, and restoring the balance of Qi and blood.

Common Syndrome Types and Key Points of Differentiation

阴虚发热证

Main Manifestations：午后潮热，手足心热，口干咽燥，盗汗

Management Approach：滋阴清热，退虚除蒸

气虚发热证

Main Manifestations：发热常在劳累后加剧，神疲乏力

Management Approach：益气健脾，甘温除热

The above syndrome information is based on traditional Chinese medicine textbooks and clinical standards. Specific differentiation should be completed by a practicing traditional Chinese medicine physician in person.

Physician's Clinical Insights

For practitioners, observing the type of fever, its duration, and accompanying symptoms is of great significance in the process of differential diagnosis and treatment for patients with Internal Injury-Induced Fever.

— 唐玉兰中医执业医师（师承）

Reviewed by：唐玉兰（中医执业医师（师承））｜ 2026-07-07 ｜ Version 2

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This page is for the popular science of traditional Chinese medicine knowledge and does not constitute medical advice. Specific diagnosis should be completed by a licensed traditional Chinese medicine practitioner in person.

参考文献：《中医内科学》（十三五规划教材）、《中医病证诊断疗效标准》(ZY/T001.1-94)、《中医病证分类与代码》(GB/T 15657-2021)

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内伤发热