Drinking too much cold water or cold drinks cannot directly cause pneumonia. Pneumonia is a lung infection caused by germs like bacteria, viruses, or fungi, not by the temperature of your food or beverages
While cold drinks don’t cause the infection itself, they may trigger a temporary tightening of the airways or throat, which can cause discomfort or shortness of breath for individuals with pre-existing respiratory issues. However, to actually develop pneumonia, the bacteria or virus must enter and multiply in your lungs