Weekend Care Needed For My Mother In Tucson

We are looking for compassionate care for our 92-year-old mother. We have a primary care giver who is with her weekdays. At this time we are looking for supplemental daytime weekend care, with some flexibility on hours. This would be starting the end of September. Responsibilities would include meal preparation, help with dressing, help with mobility. Importantly, we need someone to be sure she takes her medications at the correct times. Preferences for a caregiver who is a non-smoker and CPR / first-aid trained.