A platelet count measures the average platelet level in a person’s blood. High or low platelet levels can increase the risk of clotting or excessive bleeding. Platelets, also called thrombocytes, are ...

Foods high in certain vitamins and minerals, including vitamins B12 and C, folate, and iron, may help increase your platelet count. Some foods and beverages, including alcohol, may lower it. Platelets ...

Thrombocytopenia, or a low platelet count, can impair blood clotting, potentially leading to severe bleeding from wounds. Underlying health conditions like autoimmune diseases and cancers, as well as ...

FIGURE 1. Platelet clumping (blue) was seen on peripheral blood smear. A misdiagnosis would have led to unnecessary tests and treatment. Ms. J, age 55 years, was referred to hematology for evaluation ...