If further treatment is required, a combination of an immunosuppressive drug (such as azathioprine) with mesalazine (which may also have an anti-inflammatory effect) may be needed, depending on the patient. Controlled release budesonide is used for mild ileal Crohns disease. Nutritional and dietetic therapies
Exclusive enteral nutrition is a first-line therapy in pediatric Crohns disease with weaker data in adults. : 331  Evidence supporting exclusive enteral nutrition in ulcerative colitis is lacking. : 333 Nutritional deficiencies play a prominent role in IBD. Malabsorption, diarrhea, and GI blood loss are common features of IBD. Deficiencies of B vitamins, fat-soluble vitamins, essential fatty acids, and key minerals such as magnesium, zinc, and selenium are extremely common and benefit from replacement therapy. Dietary interventions, including certain exclusion diets like the specific carbohydrate diet (SCD) can be beneficial for symptom management. Dietary fiber interventions, such as psyillium supplementation (a mixture of soluble and insoluble fibers), may relieve symptoms as well as induce/maintain remission by altering the microbiome composition of the GI tract, thereby improving regulation of immune function, reducing inflammation, and helping to restore the intestinal mucosal lining.Anaemia is commonly present in both ulcerative colitis and Crohns disease. Due to raised levels of inflammatory cytokines which lead to the increased expression of hepcidin, parenteral iron is the preferred treatment option as it bypasses the gastrointestinal system, has lower incidence of adverse events and enables quicker treatment. Hepcidin itself is also an anti-inflammatory agent. In the murine model very low levels of iron restrict hepcidin synthesis, worsening the inflammation that is present.
Thyrotoxicosis factitia (alimentary thyrotoxicosis, exogenous thyrotoxicosis) refers to a condition of thyrotoxicosis caused by the ingestion of exogenous thyroid hormone. It can be the result of mistaken ingestion of excess drug, such as levothyroxine and triiodothyronine, or as a symptom of Munchausen syndrome. It is an uncommon form of hyperthyroidism. Patients present with hyperthyroidism and may be mistaken for Graves’ disease, if TSH receptor positive, or thyroiditis because of absent uptake on a thyroid radionuclide uptake scan due to suppression of thyroid function by exogenous thyroid hormones. Ingestion of thyroid hormone also suppresses thyroglobulin levels helping to differentiate thyrotoxicosis factitia from other causes of hyperthyroidism, in which serum thyroglobulin is elevated. Caution, however, should be exercised in interpreting thyroglobulin results without thyroglobulin antibodies, since thyroglobulin antibodies commonly interfere in thyroglobulin immunoassays causing false positive and negative results which may lead to clinical misdirection. In such cases, increased faecal thyroxine levels in thyrotoxicosis factitia may help differentiate it from other causes of hyperthyroidism. See also
Foodborne illness
Liothyronine

References


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