General Medicine General bfa206d1 A patient present with lower gastrointestinal bleed. Sigmoidoscopy shows ulcers in the sigmoid. Biopsy from this area shows flask-shaped ulcers. Which of the following is the most appropriate treatment : A Intravenous ceftriaxone B Intravenous mentronidazole C Intravenous steroids and sulphasalazine D Hydrocoscone enemas