Pharmacists need a break when required to work 12,13 & 14 hour shifts to rest and eat a meal without interruption. Often these long shifts require an hour to an hour and one-half travel to and from the store if covering a vacation or sickness extending the day to 16-17 hrs. This is dangerous for patients receiving medication as a tired pharmacist could possibly make a mistake that is harmful to the patient. Pharmacy is a professsion that requires a great deal of mental alertness and long hours with no break diminish this capability.Please consider regulations that improve this situation.  .