Nursing Interventions: Hyperthyroidism Administer prescribed antithyroid medications, as ordered. If iodine is part of the treatment, mix it with milk, juice, or water to prevent gastrointestinal distress, and give it through a straw to prevent tooth discoloration. Give antidiarrheal preparations as ordered. Consult a dietician to ensure a nutritious diet with adequate calories and fluids. […]