Prevention and treatment of “Epidemic toxin, pathogenic dampness, and lung deficiency” after COVID-19 recovery based on the theory of “Preventive treatment of diseases” in traditional Chinese medicine

Due to the sequelae and recurrence in patients with COVID-19 after recovery. This article, based on the theory of “preventive treatment of diseases” in traditional Chinese medicine, which believes that the three pathogenic factors of epidemic toxin, dampness, and lung deficiency are the fundamental causes of the recurrence of COVID-19. The treatment strategies are to remove pathogenic factors, strengthen qi, nourish yin, clear heat, moisten dryness, and at the same time, reinforce the lung, spleen and kidney, and soothe the liver. Through a variety of treatments such as oral administration, external treatment, and skin absorption, it provides a new idea and method for the management of the recurrence of COVID-19