Paediatric thrombocytopenia refers to a condition where children have low levels of platelets in their blood, leading to bleeding and bruising. Synonyms for this condition may include pediatric thrombocytopenia, childhood thrombocytopenia, and juvenile thrombocytopenia. Other related terms that may be used include idiopathic thrombocytopenic purpura (ITP), which is an autoimmune disorder that causes platelet destruction, and thrombocytopenia with absent radii (TAR), which is a rare genetic condition that affects platelet production. Additionally, low platelet counts in infants may be referred to as neonatal thrombocytopenia. Regardless of the terminology used, it is important for healthcare professionals to properly diagnose and manage paediatric thrombocytopenia to prevent complications.