A high platelet count can lead to mild bruising or serious conditions like stroke. There are two types of thrombocytosis: primary, caused by genetic changes, and secondary, due to other conditions. If ...

A high platelet count indicates too many of the small cells (platelets) that help form blood clots. This can cause dangerous clots and bleeding. Also called thrombocytosis or thrombocythemia, ...

Platelets are small types of blood cells that prevent excessive bleeding. It’s possible to develop low or high platelet counts related to a number of health conditions. Platelets are one of the main ...