What are the symptoms of active tuberculosis?

Active tuberculosis may show symptoms. Typical symptoms mainly include two aspects. First, the most common lung symptoms are cough and expectoration. Some patients may show cough if they are complicated with suppurative bacterial infection. Yellow purulent sputum. If the condition is serious, it may show hemoptysis, chest tightness, chest pain, difficulty breathing, etc. Second, systemic symptoms are more common is to show night sweats, fever some patients can also show weight loss, appetite loss, fatigue and so on. Generally speaking, the existence of these symptoms, you need to be highly alert to the possibility of tuberculosis, but can not say that the existence of these symptoms, there must be tuberculosis.