You can drink lemon and honey water during a cough. First of all, honey water has the effect of moistening the lungs, relieving cough and resolving phlegm. Drinking honey water during a cough has a therapeutic effect. Lemon is particularly high in vitamins, especially vitamin C. Vitamin C strengthens the body’s resistance and helps it to defend itself against foreign viruses or bacteria. Most coughs are due to the occurrence of respiratory infections, which can be caused by viruses bacteria or mycoplasma. Eating foods rich in vitamin C can help fight off foreign viruses, bacteria or mycoplasma and promote recovery from the infection, which can also be beneficial for cough recovery. However, you should not drink too much honey and lemon water, as lemon is too acidic and has a strong stimulating effect on the stomach, causing excessive secretion of stomach acid. If you usually have gastric ulcers or gastritis, it is not recommended to drink honey and lemon water for cough, but you should take medication for cough.