Try not to eat sweets when you are suffering from bronchitis. Bronchitis is mainly caused by viral and bacterial infections, which can cause fever, cough and phlegm, and can also affect your appetite and cause indigestion. Since most of the time when you suffer from bronchitis, you need to treat it with medication, which can also stimulate the stomach and intestines and aggravate gastrointestinal symptoms, you should pay attention to your diet at this time, avoiding foods that stimulate the stomach and intestines, and eating more easily digestible and light foods. If you eat too sweet food will aggravate the symptoms of stomach and intestines, cause excessive secretion of stomach acid, and also cause nausea and vomiting symptoms. Eating too sweet food is also prone to dampness and phlegm, which will aggravate the symptoms of coughing and coughing up phlegm, it is best not to eat sweets at this time.