Tehran University of Medical Sciences Journal of Pharmaceutical Care 2322-4630 9 3 2021 09 28 161 163 Nafiseh Alizadeh Department of Internal Medicine, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran. Mina Borran Department of Internal Medicine, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran. Behnam Behnoosh Baharloo Hospital, Tehran University of Medical Sciences, Tehran, Iran. Mehrnoush Dianatkhah Department of Clinical Pharmacy and Pharmacy Practice, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran. 2021 06 14 2021 07 26 Aluminum phosphide (AlP) has remained a chemical cause of completed suicides in some developing countries. ALP toxicity can cause multi-system damage. As far as we know, this is the first case of ALP-induced Thrombotic Thrombocytopenic Purpura (TTP) and its successful management. A 34-year-old man, who had attempted suicide with ALP was admitted to our hospital. On the 3rd day of admission, the patient developed hematuria, hemolysis, and thrombocytopenia. Based upon available evidence, TTP was diagnosed. Following a complete patient evaluation, ALP was recognized as the probable cause of TTP. Following the treatment using prednisolone and therapeutic plasma exchange, the patient substantially improved. Finally, he was discharged on the 22nd day. Toxin-induced intravascular hemolysis should be considered for patients presenting with ALP toxicity. As reported in this patient, TTP is another manageable consequence of ALP poisoning. https://jpc.tums.ac.ir/index.php/jpc/article/view/429