There is no authoritative information on how long it takes to regain strength from tuberculosis pleurisy, it varies from person to person, usually it may take 3 to 4 months after treatment, or longer if the disease is more severe. Tuberculosis pleurisy is a common pleural disease. To determine how long it takes to regain strength from tuberculosis pleurisy needs to be based on the actual condition, and cannot be generalized, there are obvious individual differences. In general, most patients with tuberculosis pleurisy can gradually regain their strength after 3 to 4 months of treatment, but for patients with more serious conditions, the time for regaining strength will be prolonged, and it may be about half a year. Tuberculosis pleurisy is mainly caused by infection by Mycobacterium tuberculosis, and common symptoms include fatigue, night sweats, fever, chest pain, and dyspnea. Usually, after timely and standardized treatment, the general course of treatment is 9-12 months, the prognosis is good, and most patients can be cured. In conclusion, patients with tuberculosis pleurisy need to go to the hospital in time, strengthen the management of daily life, and cooperate with the doctor for active treatment, so as to avoid delaying the disease.