Occupational asthma occurs when exposed to agents in the workplace. After exposure to irritants such as smoke, dust, chemicals... in the working environment, the patient will have an asthma attack that can be acute or the asthma attack will become more severe, making treatment difficult. Therefore, if occupational asthma is not diagnosed correctly and treated promptly, it can cause permanent lung damage, disability or death.

Occupational asthma is a disease caused by the impact of allergens of animal, plant or chemical origin on people exposed during work, causing characteristic pathological disorders.

Occupational asthma is a general form of asthma. The cause of the disease is all or part of the agents in the workplace and not due to causes outside the working environment. The disease needs to be diagnosed and treated early to avoid serious complications for the patient in the future.