Persistent low-grade fever

Introduction Low fever means that the body temperature is between 37.3 ° C and 38 ° C. Long-term low-grade fever means continuous fever for more than two weeks, excluding intermittent fever. There are also many reasons for the formation of low heat. More stubborn. The most common form of long-term low-grade fever is tuberculosis infection. Tuberculosis is still more common in children. In addition to low-grade fever, children still have personality changes. The original active child became lazy and did not love to move. The original quiet child was impatient, tempered, loss of appetite, weight loss, sweating or sweating at night, fatigue, paleness, neck and other superficial Lymph node enlargement, etc.

Cause

Fever is a symptom. Rheumatism, tuberculosis, chronic inflammation, low immunity and other diseases can cause persistent low fever. Long-term psychological stress and emotional instability can also cause central nervous system disorders, resulting in unexplained persistent low fever. Problems with any system of the body can cause persistent low fever.

an examination

Refers to continuous fever for more than two weeks, the body temperature is 37.3 ° C ~ 38 ° C. It is also possible to conduct blood tests, chest X-rays, erythrocyte sedimentation tests, and, if necessary, bone marrow examinations, as well as dialectical treatments in Chinese medicine departments in regular hospitals. It is essential to determine the cause of diseases, etc., and according to the results of the examination. Develop reasonable treatment measures. And mycoplasma antibody detection, virus detection, tuberculin test, and the like.

Differential diagnosis

Differential diagnosis of persistent low fever:

1, repeated fever: bronchial foreign body clinical light, heavy, varying length of disease. Patients with secondary infections may have repeated fever, cough, lung audible and wet rales.

2, continuous fever: the normal body temperature of people is about 36.5-37 °, if it is higher than 37.2 °, it is called fever. When people can't maintain normal body temperature, many physiological functions will be impeded. Symptoms of neonatal Coxsackie virus: temperature over 38. 5 ° C, mental wilting or irritability, persistent fever, shortness of breath, general weakness, rapid heartbeat, etc. Increased vomiting, even vomiting or ejaculation. Muscle twitching or neck and limb stiffness, confusion or coma.

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