I am Mehreen Mughal . By professional Pharmacist.PharmaciststsPharmacists, also known as chemists (Commonwealth English) or druggists (North American and, archaically, Commonwealth English), are health professionals who focus on the safe and effective use of medications, as they have expertise in the composition, effects, metabolism, mechanism of action and proper usage of drugs. Using knowledge of the mechanism of action of drugs, the pharmacist understands how they should be used to achieve maximum benefit, minimal side effects and to avoid drug interactions