Patients with bronchial asthma should avoid eating fish, as fish are considered to stimulate [symptoms] due to their potency, and eating fish at this time could potentially worsen asthma symptoms. Moreover, many small fish bones could get stuck and may cause irritation to the respiratory tract and bronchi. Therefore, patients with bronchial asthma can appropriately consume other foods rich in protein, such as milk or soy products. Additionally, they should drink more water to promote metabolism and enhance resistance. Symptomatic treatment should also be applied; if symptoms like coughing and phlegm or asthma occur, treatment under a doctor's guidance with medications for cough, phlegm, and asthma relief is necessary to alleviate symptoms. Rest plenty, avoid excessive fatigue, maintain a good mood, and avoid undue stress.