The Pharmacist are the best person to explain how a pharmaceutical drug works for they are known to be drug experts. They are essential part of the healthcare system because they supply medicines in accordance with a prescription as to heal the patient, do counselling of patients at the time of dispensing of prescription and non-prescription drugs, provide drug information to other health professionals, patients and the public and they actively participate in health-promotion programs.
Therefore, there expertise is indispensable in the healthcare system.