Mycoplasma infection is not a persistent high fever

The manifestations of mycoplasma pneumonia vary from mild to severe, and the main manifestations are as follows: mild and severe. Most of them do not have a very acute onset, with symptoms such as fever, anorexia, cough, chills, headache, sore throat, and substernal pain. The body temperature is 37~41 °C, most of which are around 39 °C, which can be persistent or relaxed, or only low-grade fever, or even no fever. Most coughs are severe, initially dry, followed by sputum (occasionally a small amount of blood), and sometimes a bouting cough that resembles whooping cough. Occasionally, nausea, vomiting, and transient maculopapular or urticaria may occur. Dyspnea is usually absent, but infants may have stridor and dyspnea. Signs vary by age, with older infants often lacking significant chest signs, mild dullness, decreased breath sounds, wet rales, and sometimes obstructive emphysema on percussion in infancy.When children with sickle cell anemia develop this pneumonia, symptoms are often worsened, with dyspnea, chest pain, and pleural effusion. Mycoplasma pneumonia can occasionally be combined with exudative pleurisy and lung abscess, and there is a certain relationship between chronic lung disease and Mycoplasma pneumoniae, and Berkwick (1970) reported a fourfold increase in the middle and recovery of 27 children with asthma. Mycoplasma pneumonia can be accompanied by multi-system and multi-organ damage, and extrarespiratory lesions can involve skin and mucous membranes, manifesting as morbilliform or scarlet fever-like rash, StevensJohnson syndrome, etc.; occasionally, nonspecific myalgia and migratory arthralgia; vomiting, diarrhea, and liver function impairment may be seen in the gastrointestinal system; Hemolytic anemia is more common in the blood system, and we have seen 2 cases with hemolytic anemia as the first and chief symptom; polyradiculitis, meningoencephalitis and cerebellar injury; Occasionally, myocarditis and pericarditis are common lesions of the cardiovascular system. Bacterial mixed sensation is also rare. White blood cells vary in height, mostly normal and sometimes high. Erythrocyte sedimentation rate shows moderate increase.