After drinking cold water seems to have panic and chest tightness, consider is due to physiological factors, heart disease or digestive system diseases. 1. Heart disease: patients themselves have myocardial ischemia or coronary artery atherosclerosis and other diseases, when drinking cold water will stimulate the blood vessels, so that the blood vessels to produce constriction, the original blood supply aggravation, so there will be panic and chest tightness of the symptoms. 2. Digestive system diseases: when there are digestive system diseases, such as esophageal inflammation or gastritis, when drinking cold water, especially when drinking cold water on an empty stomach, it is easy to make the stomach stimulation, stomach spasmodic pain triggered by panic attacks and chest tightness. 3. Physiological factors: after strenuous exercise, suddenly drink cold water will cause stimulation, may appear panic chest tightness symptoms, generally after rest can be relieved. After drinking cold water seems to have symptoms of panic and chest tightness, once in a while is generally not a big problem, if you have a heart or digestive system diseases, and often appear after drinking cold water symptoms of panic and chest tightness, it is recommended to go to the hospital in a timely manner to seek medical attention, and actively diagnosis and treatment, in order to avoid adverse consequences.