Rock candy has no special therapeutic effect on expectorant cough.
Generally speaking, the diet of patients with cough and phlegm should be based on light and less stimulating food. The main ingredient of rock candy is sucrose, and the nutritional content is mainly carbohydrate, which is ineffective in treating cough and phlegm. Moreover, the sweet taste of rock candy, cough patients may stimulate the cough symptoms worsened after consumption.
The clear role of rock sugar is to provide a certain amount of energy, in daily life, more as a flavoring agent and used to increase the flavor of the dishes.
In addition, it should be noted that there are many causes of cough and phlegm, if cough and phlegm and other discomforts, it is still recommended to go to the hospital in a timely manner.