What Is Occupational Asthma?

Occupational asthma is caused by being exposed to irritants in the form of vapors, fumes, gases or allergens in the workplace. Many substances are common and usually safe, such as dust or fumes from plant products. Other substances are potentially harmful chemicals.           

You may notice asthma symptoms right after being exposed to an allergen or irritant, or symptoms may come on gradually as your immune system produces an allergic response. Symptoms include wheezing, shortness of breath, coughing, chest tightness, a runny nose, nasal congestion and eye irritation. They may improve or disappear when you leave work or go on vacation.

You may be more likely to develop workplace-related asthma if you have a personal or family history of allergies or asthma. Once you develop asthma, other triggers such as smoke or cold air may cause asthma symptoms.

If you notice symptoms, call your doctor. Be sure to provide a workplace history.