Biological contaminants are capable of causing health problems for anyone. The most common complaint is allergy, which may show as runny nose, watery or itchy eyes, coughing, sneezing, general itching, congestion, headache, dizziness or fatigue. One symptom receiving a great deal of attention is asthma. Some think that indoor air quality is a major trigger for asthma. Dust, pollen, mold, fungi, bacteria, and other materials are suspended in the air and enter whenever a door or window is opened.
Animal dander comes from having pets in the house.
Dust mites live in the dead skin cells which we all shed and cannot be eliminated. Conditions within the home are great for all of these living organisms to grow and flourish. Many symptoms are similar to the flu. I have these symptoms, but my Doctor is not sure if I might have this problem at home. An Introduction for Health Professionals.