More info needed. High blood and platelet counts may mean nothing, but need to evaluate based on examination, white blood cell count and how high red cell count and platelet counts are. Iron deficiency can increase platelets as can inflammation; high altitude and smoking can raise the red count---a good history and physical are needed. Good luck.
Is an elevated blood platelet count over many years a reason for concern if no other blood count problem?
Yes. You may have underlying blood disorder. It is best to talk to your doctor to begin investigation. Sometimes a hematologist may need to be involve if etiology can not be readily found. Read more...