Skip the missed dose if it is almost time for your next scheduled dose. Pseudotumor cerebri and slipped capital femoral epiphysis have been reported in children receiving levothyroxine therapy. The mean daily thyroxine dose was 1.99 mcg/kg (range, 0.3 to 6.6 mcg/kg) with can synthroid cause liver disease mean duration of therapy of 20.4 years (range, less than 1 to 68 years). Synthroid tablets should be protected from light and moisture. When thyroid hormone levels decrease, TRH and TSH secretion increase.
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However, in children with chronic or severe hypothyroidism, an initial dose of 25 mcg/day of levothyroxine sodium is recommended with increments of 25 mcg every 2-4 weeks until the desired effect is achieved. Recommended dosage for Synthroid Your doctor will tailor the dosage to meet your individual requirements, taking into consideration the status of your thyroid gland and other medical conditions you may have. Your doctor may occasionally change your dose to make sure you get the best results. The recommended starting dose of levothyroxine sodium in elderly can synthroid cause liver disease with cardiac disease is 12.5-25 mcg/day , with gradual dose increments at 4-6 week intervals. Tell your health care provider if you are taking any other medicines, especially any of the following: Many prescription and nonprescription medicines (eg, used for infections, inflammation, aches and pains, nasal congestion, asthma, high blood pressure, irregular heartbeat or can synthroid cause liver disease heart problems, blood thinning, mental or mood problems, depression, diabetes, other thyroid problems, high cholesterol, hepatitis, weight loss, heartburn, birth can synthroid cause liver disease hormone replacement therapy, growth hormone deficiency, cancer, seizures), and multivitamin products may interact with Synthroid, increasing the risk of side effects or decreasing effectiveness. Levothyroxine sodium doses greater than 200 mcg/day are seldom required. Package Label.Principal Display Panel NDC 0074-6624-13 100 TABLETS Synthroid® (levothyroxine sodium tablets, USP) 100 can synthroid cause liver disease (0.1 mg) Rx only NSN 6505-01-340-0152 Do not accept if seal over bottle opening is broken or missing. Subclinical Hypothyroidism If this condition is treated, a lower levothyroxine sodium dose (e.g., 1 mcg/kg/day) than that used for full replacement may be adequate to normalize the serum TSH level. 0-3 months 10-15 mcg/kg/day 3-6 months 8-10 mcg/kg/day 6-12 months 6-8 mcg/kg/day 1-5 years 5-6 mcg/kg/day 6-12 years 4-5 mcg/kg/day > 12 years but growth and puberty incomplete 2-3 mcg/kg/day Growth and puberty complete 1.7 mcg/kg/day Pregnancy Pregnancy may increase levothyroxine requirements (see PREGNANCY). This includes prescription, over-the-counter, vitamin, and herbal products. 1 D&C RED NO. Larger doses may produce serious or even life-threatening manifestations of toxicity, particularly when given in association with sympathomimetic amines such as those used for their anorectic effects . Commonly used brand name(s): In the U.S. Synthroid Available Dosage Forms: Powder for Solution Therapeutic Class: Thyroid can synthroid cause liver disease For Synthroid Levothyroxine is used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. Synthroid Dosage and Administration General Principles The goal of replacement therapy is to achieve and maintain a clinical and biochemical euthyroid state. If you get a prescription refill and your new pills look different, talk with your pharmacist or doctor. In these patients, levothyroxine therapy should be initiated at lower doses than those recommended in younger individuals or in patients without cardiac disease (see WARNINGS, PRECAUTIONS - Geriatric Use, and DOSAGE AND ADMINISTRATION).
Concomitant administration of levothyroxine and sympathomimetic agents to patients with coronary artery disease may precipitate coronary insufficiency. Do not start a new medication without telling your doctor. Use Synthroid with can synthroid cause liver disease in the ELDERLY; they may be more sensitive to its effects, especially heart problems. Cytokines - Interferon-α - Interleukin-2 Therapy with interferon-α has been associated with can synthroid cause liver disease development of antithyroid microsomal antibodies in 20% of patients and some have transient hypothyroidism, hyperthyroidism, or both. Contraindications Levothyroxine is contraindicated in patients with untreated subclinical (suppressed serum TSH level with normal T3 and T4 levels) or overt thyrotoxicosis of any etiology and in patients with acute myocardial infarction. Thyroid hormone products formulated for intravenous administration should be administered. Absorption may also decrease with age. 40 Aluminum Lake 300 D&C Yellow No. TSH may not normalize due to a can synthroid cause liver disease of the pituitary-thyroid feedback threshold as a result of in utero hypothyroidism. Do not start using a new medication without telling your doctor. can synthroid cause liver disease