In the early stage of TB, cough and fever are usually present, but the specific symptoms vary depending on the type of the disease and the individual’s condition. Generally speaking, in the early stage of TB, the main symptoms are low fever, usually 37.5℃-38℃, and may be accompanied by coughing and blood in the sputum, etc. However, the specific symptoms vary greatly according to the type of disease and the individual’s physical condition and the severity of the disease. However, the specific symptoms vary greatly according to the type of disease, as well as the individual’s physical condition and the severity of the disease: 1. Early stage of primary tuberculosis: some of the symptoms include dyspnea, erythema, conjunctivitis and joint pain; 2. Early stage of hematogenous tuberculosis: the condition of this type of tuberculosis develops more rapidly, often with dyspnea, high fever and some systemic toxicity; 3. Early infiltrative tuberculosis: early symptoms are usually less obvious; 4. Chronic fibro-cavitary tuberculosis: early symptoms are usually not obvious, and some of them do not even have cough and low-grade fever. If you suspect that you or someone around you is suffering from tuberculosis, it is recommended that you go to the hospital immediately for a professional and comprehensive examination and diagnosis.