An association between thrombocytopenia and thyrotoxicosis has been reported but its mechanism is unclear. Graves’ disease also known as Basedow’s disease is an autoimmune form of primary hyperthyroidism. It presents with various clinical features like eye signs, tachycardia, weight loss, skin changes etc. However, initial presentation of Graves’ disease with a haematological abnormality like thrombocytopenia is very rare. Here; we present the case of a 32-year-old male who presented with severe thrombocytopenia with unknown underlying Hyperthyroidism.