Prophylaxis (Greek "προφυλάσσω" to guard or prevent beforehand)'s any medical or public health procedure whose purpose's to prevent, rather than treat or cure a disease. Roughly, prophylactic measures are divided between primary prophylaxis (to prevent the development of a disease) and secondary prophylaxis (whereby the disease has already developed and the patient's protected against worsening of this process). Examples Some specific examples o… (More on Prophylaxis)