Can I eat tomatoes mixed with sugar when I have a cough?
Generally speaking, it is acceptable to consume tomatoes mixed with white sugar when coughing, but moderation is key. Detailed explanations are as follows:

Tomatoes are rich in various nutrients, including vitamin C, B vitamins, carotene, lycopene, and more. When coughing, the body's immunity declines, and consuming tomatoes can help replenish nutrients and support recovery. Additionally, tomatoes mixed with white sugar offer better taste, which can stimulate appetite and help restore energy consumed by the body. Moreover, they can provide some hydration, helping to moisten the throat and relieve dryness caused by coughing.
Tomatoes are slightly cold in nature and have functions of promoting saliva production to relieve thirst and improving digestion. For coughs caused by lung or stomach heat, moderate consumption of tomatoes mixed with white sugar can help alleviate cough symptoms by clearing internal heat. Furthermore, white sugar also has a certain moistening effect on the lungs. Combined with tomatoes, it may provide some auxiliary relief for coughing.
When consuming, it is recommended to eat in moderation because excessive sugar intake may irritate the throat and worsen cough symptoms. It is also advisable to consume this dish after meals, as eating it on an empty stomach may irritate the gastric mucosa and cause stomach discomfort.