Has ulcerative colitis.-rationale: conditions that contraindicate the use of ferrous sulfate include primary hemochromatosis, infectious kidney disease in the acute phase, peptic ulcer, regional enteritis, ulcerative colitis, and known hypersensitivity to iron. iron dextran requires cautious use in pregnant or breast-feeding clients and in those with severely impaired liver function, significant allergies, or asthma.client needs category: physiological integrityclient needs subcategory: pharmacological and parenteral therapiescognitive level: analysisreference: karch, a.m. 2007 lippincotts nursing drug guide. philadelphia: lippincott williams & wilkins, 2007, p. 513.