Can I drink lemon and rock sugar water for a cough caused by wind-cold?

Generally, drinking lemon and rock sugar water is not recommended for cough caused by cold wind invasion. The detailed explanation is as follows:

Cold wind-induced cough usually presents as a dry cough with white, thin phlegm, and may be accompanied by symptoms such as sore throat, chest tightness, and shortness of breath. This is typically caused by external invasion of cold wind, which leads to impaired lung function and upward reversal of lung qi. Lemon and rock sugar water consists of lemon and rock sugar. Lemons are rich in vitamin C and various minerals, offering effects of clearing heat, moistening the lungs, stimulating the production of body fluids, and relieving thirst. However, lemons are also acidic in nature and may irritate the gastric mucosa. Rock sugar, on the other hand, has functions of moistening the lungs, relieving cough, nourishing yin, and promoting body fluid production.

Although lemon and rock sugar water generally has the effect of moistening the lungs and relieving cough, its cool nature may exacerbate internal cold and be unfavorable for expelling cold pathogens. Additionally, the acidity of lemons may irritate the throat and gastric mucosa, worsening cough and gastrointestinal discomfort.

Patients with cold wind-induced cough are advised to drink warm beverages, such as ginger tea or red date tea, which can help expel internal cold and alleviate cough symptoms. It is also important to avoid consuming raw, cold, or cooling foods and beverages to prevent worsening of the condition.