eng Science and Education Publishing American Journal of Medical Case Reports 2374-216X 2019-11-18 8 1 14 17 10.12691/ajmcr-8-1-4 AJMCR2020814 article Shahed- Morshed shahedk62@gmail.com 1 Hasanat MA 1 Fariduddin Md 1 Nusrat- Sultana 1 Mahmood T 1 Ghani MH 1 Faisal I 1 Sharmin- Jahan 1 Department of Endocrinology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh We describe a 65-year-old male of Graves’ disease with thyroid-associated orbitopathy who developed thrombocytopenia during the course of illness. Clinical features, temporal relationship with drugs and investigations supported the diagnosis of immune thrombocytoenic purpura. Several immunosuppressive drugs failed to improve thrombocytopenia. At last platelet count returned back to normal and remained stable with addition of dapsone and restoration of euthyroidism. http://pubs.sciepub.com/ajmcr/8/1/4/ajmcr-8-1-4.pdf graves’ disease thrombocytopenia immune thrombocytopenic purpura