Also, they may trigger the development of another disease if not used appropriately. Therefore, it is very important for one to understand the morphology and mode of attacking of the particular bacteria. For this reason, people are recommended to get their medicine from pharmacists rather than chemists when they do not have a prescription. If the pharmacists are not sure of the signs, they know how to advise accordingly. Chemists, however, sell medicine without any consideration of whether or not it will be suitable for the