In current times, health care system are greatly challenged in delivering better quality care without using extra ordinary resources. U.S has a large huge sphere of population and had insufficient health insurance coverage, which usually force them to depend on funded health system that is specially designed for common public. The population percentage of elders is growing rapidly, and high multiplication and states of chronic disease should be handled concurrently. Nursing practitioners should properly use medication for various diseases and try to avoid risks related with multiple medication usage like drug interactions, adverse effects, inappropriate dosing and ...