Indications for iv synthroid
The prescriber should be aware of this fact and should consult appropriate reference sources e. Before using this medicine, consult your doctor or pharmacist if you have: Ethinyl Estradiol; Norethindrone Acetate; Ferrous fumarate: Prevalence of hypothyroidism appears to be highest in women and in those patients over the age of 50, with a family history of hypothyroidism.
Be alert for a decreased response to thyroid replacement agents with dosage adjustments, discontinuation or addition of barbiturates during thyroid hormone replacement therapy. Can Patients Find You?
Transfer of thyroid hormone from the mother to the fetus, however, may not be adequate to prevent in utero hypothyroidism. They are supplied as follows:. Bioavailability is best when administered in the fasting state.
Reconstituted drug product is preservative free. Most commonly, these are generic drugs. Excessive use of thyroid hormones with growth hormones may accelerate epiphyseal closure. Properly discard this product when it is expired or no longer needed. If either is present, do not use the liquid. Share Email Print Feedback Close. In patients with severe hypothyroidism, the recommended initial dose is Use caution in patients with adrenal insufficiency; may exacerbate symptoms or agravate them; treatment with glucocorticoids should precede levothyroxine therapy adrenal insufficiency present; initiation of thyroid hormone therapy prior to initiating glucocorticoid therapy may precipitate acute adrenal crisis in patients with adrenal insufficiency.
Other Restrictions Drugs that have restrictions other than prior authorization, quantity limits, and step therapy associated with each prescription. Amiodarone Beta-adrenergic antagonists - e. Careful monitoring of diabetic control is recommended, especially when thyroid therapy is started, changed, or discontinued.
Indications and Usage for Levothyroxine Injection
It may be necessary to adjust the dose of antidiabetic agents if thyroid hormones are added or discontinued Dapagliflozin; Metformin: If cardiac symptoms develop or worsen, the levothyroxine dose should be reduced or withheld for one week and then cautiously restarted at a lower dose. SYNTHROID may be administered to infants and children who cannot swallow intact tablets by crushing the tablet and suspending the freshly crushed tablet in a small amount mL or teaspoons of water.
Serum digitalis glycoside levels may be decreased when a hypothyroid patient becomes euthyroidnecessitating an increase in the dose of digitalis glycosides see Table 2. Many drugs affect thyroid hormone pharmacokinetics and metabolism e.
Drugs that may alter T 4 and T 3 serum transport - but FT 4 concentration remains normal; and therefore, the patient remains euthyroid. The age, general physical condition, cardiac risk factors, and clinical severity of myxedema and duration of myxedema symptoms should be considered when determining the starting and maintenance dosages of Levothyroxine Sodium for Injection.