In the clinical coffee and cold medicine can not be eaten together, the reason is that coffee and cold medicine together is very easy to cause adverse reactions and harm to the human body. So in the clinic is not recommended to take coffee and cold medicine together, the specific explanation has the following aspects: 1, cold medicine is mostly compounded, most cold medicine contain ephedrine, can stimulate the nerves to play the role of excitement, if drinking coffee, the stimulation effect may increase, the drug overdose reaction, so that patients appear uncomfortable symptoms. 2, cold medicine and coffee together often lead to Patients appear stomach discomfort, because cold medicine contains some drugs related to gastrointestinal irritation, and the caffeine in coffee is also very large gastrointestinal stimulation, so the simultaneous application may produce stomach pain, stomach distension, stomach acid and other stomach discomfort symptoms. Comprehensive analysis, coffee and cold medicine can not be applied together, do not eat cold medicine while taking coffee, and do not drink coffee while taking cold medicine.