Communicable diseases are the diseases which passes from one individual to another individual. They are generally caused by some bacteria, viruses or any other pathogens. For example, malaria, AIDS etc. Non-communicable diseases are the diseases which does not spread from one person to another person. They are generally caused by some nutrient deficiency, allergy etc.
Communicable diseases are inheritable compared to non-communicable diseases which can be heritable also. Communicable diseases can be treated by some conventional methods whereas non-communicale diseases needs special treatments.