These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. Sometimes GERD can complicate respiratory ailments related to cough, such as asthma or bronchitis. It also occurs with patients who have asthma or other severe allergies. Reeve suffered from asthma and allergies since childhood. It can be an irritant to people with respiratory conditions such as asthma or bronchitis. This is true for asthma and other chronic inflammatory disorders. Dengue can be life-threatening in people with chronic diseases such as diabetes and asthma. Xolair has been approved in many countries for treating severe, persistent allergic asthma. It may worsen the symptoms of asthma. Many other conditions can cause symptoms similar to those of asthma. Psyllium may act as a potent inhalant allergen capable of eliciting asthma symptoms. Smoking bans are effective in decreasing exacerbations of asthma. "Cardiac asthma" or wheezing may occur. It has the capacity for inducing allergic reactions in individuals with pre-existing moderate asthma. Benzoate was shown in a study to cause hypersensitivity in some asthma sufferers.