This document presents a case of ulcerative colitis in a 20-year-old male. Examination found bloody stools, abdominal pain, and fever. Tests confirmed the presence of Entamoeba histolytica in stool and detected ulceration and crypt abscess on biopsy. The patient was diagnosed with ulcerative colitis and amoebiasis. Treatment included antibiotics, a PPI, antispasmodics, and supplements. The patient was counseled on his condition, medications, and recommended dietary changes.