Platelets transfusions can stop or prevent bleeding caused by severe thrombocytopenia within hours but usually have a life span of only 4-8 days (4).

What happens if a platelet transfusion doesn't work?

If your platelet level becomes too low, your doctor can replace lost blood with transfusions of packed red blood cells or platelets. Medications. If your condition is related to an immune system problem, your doctor might prescribe drugs to boost your platelet count. The first-choice drug might be a corticosteroid.

How long do platelet transfusions last?

Transfused platelets have an expected life-span of 3-4 days. This may be significantly reduced due to immune refractoriness, consumption, or sequestration. Common causes of suboptimal platelet count increments include ongoing bleeding, DIC, sepsis, fever, and hypersplenism.