Cough syrup is not recommended to be taken at the same time with cola, will affect the effect of cough. Cough syrup is mainly used to relieve respiratory diseases caused by coughing, coughing symptoms, its effect is through the drug covered in the mucous membrane surface of the throat, reduce the inflammation on the local stimulation, play a role in relieving cough, if you drink at the same time with cola or drink after the amount of drugs will reduce the wall and wall time, which affects the therapeutic effect. Patients cough cough phlegm in taking cough syrup, do not recommend drinking cola, water and other liquids, try to prolong the wall time, so that the efficacy of the drug to play better, at the same time need to avoid smoking, reduce the intake of spicy stimulating food, so as not to stimulate the respiratory tract, go out and pay attention to warmth, to avoid catching a cold, it is recommended to wear a mask to protect the respiratory tract. If you feel unwell, we recommend that you go to the hospital in time to avoid delaying your condition.