Difference between Disease and Syndrome.

Can have a number of causes. These causes can change with age, time etc.A disease has a well-defined biological cause.
Does not have defined group of symptoms. The symptoms present are not consistent. Some patients show some symptoms; others may show different symptoms of the same disease.There is a defined group of symptoms.
For syndromes, treatment is there; but there is no complete cure.Diseases can be cured completely. .
No change in anatomy.Results in changes in anatomy of the body
These are topics of research in medical science. They are a medical mystery for physicians; whose treatments are still under consideration and research.There treatments have been researched completely. Only improvements in the present treatments are done.