Nitroglycerin tablets should be kept in their original container and stored at room temperature. The bottle should ... be kept away from heat and moisture. Keep it in a location that is convenient for you to reach quickly in the case of chest pain attack. Other nitroglycerin forms are not used to stop chest pain from occurring but to prevent further attacks. Your doctor or pharmacist can provide information regarding the use of these drugs. If you have any questions about the different types of nitroglycerin products, please contact your healthcare provider or your pharmacist.