Cola itself does not have a cough suppressant effect, nor does combining it with other foods. If you want to get rid of the cough, you need to consult your doctor and follow his instructions. As an everyday drink, cola contains a lot of sugar, which does not cure the cough, but may increase the production of phlegm and aggravate the cough. Coughs can be caused by a variety of factors, which must be clarified through relevant laboratory tests and given targeted treatment. If the cough is caused by bacterial infection in the lungs, you can take some antibiotics such as amoxicillin, etc., which can be combined with cough suppressant drugs such as dextromethorphan. If the cough is caused by gastroesophageal reflux disease (GERD), postnasal drip, cough variant asthma, etc., you need to give targeted treatment according to the specific cause. In addition, you should pay attention to a light and easy-to-digest diet, drink more water, and eat more fresh fruits and vegetables in your daily life. If the cough persists unrelieved, it is recommended to consult a doctor in time, the above drugs need to be standardized and rationally applied under the guidance of professional physicians and pharmacists.