This Could Cause More Severe AttacksAsthma is a particularly troublesome condition. Its main symptom is a tightening of the airways. People who are having asthma attacks can find it very difficult to breathe. Drugs and vaccines are often used to treat the symptoms of asthma. Asthma can be both allergic and non-allergic. Allergens that commonly trigger attacks are animal dander, pollens, mold, chemicals, drugs, dust mites, food additives, seafood, dairy products and tobacco smoke. Non-allergic…See More