If the results of the levothyroxine withdrawal test are inconclusive, careful follow-up and subsequent testing will be necessary. 40 FD&C BLUE NO. Contraindications Levothyroxine is contraindicated in patients with untreated subclinical (suppressed serum TSH level with normal T3 and T4 levels) or synthroid bone loss thyrotoxicosis of any etiology and in patients with acute myocardial infarction. Laboratory Tests General The diagnosis of hypothyroidism is confirmed by measuring TSH levels using a sensitive assay (second generation assay sensitivity ≤ 0.1 mIU/L or third generation assay sensitivity ≤ 0.01 mIU/L) and measurement of free-T4. If the serum TSH level is not suppressed, Synthroid should be used with caution in conjunction with careful monitoring of thyroid function for evidence of hyperthyroidism and clinical monitoring for potential associated adverse cardiovascular synthroid bone loss and symptoms of hyperthyroidism. If you use any of the following drugs, use them at least synthroid bone loss hours before or 4 hours after you take Synthroid: calcium carbonate (Caltrate, Citracal, Oystercal, and others); ferrous sulfate iron supplement; sucralfate (Carafate); sodium polystyrene sulfonate (Kayexalate, Kionex, and others); antacids that contain aluminum (Amphojel, Gaviscon, Maalox, Mylanta, Riopan, Rulox, Tums, and others); and cholesterol-lowering drugs cholestyramine (Questran) and colestipol (Colestid). It may also be used for other conditions as determined by your doctor.
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Do not start using a new medication without telling your synthroid bone loss Synthroid may cause seizures at the beginning of treatment, although this is rare. Different brands of levothyroxine may not work the same. If an infant or child cannot swallow whole tablets, you may crush a Synthroid tablet and mix it into 1 or 2 teaspoonfuls of water. Call your doctor at once if you have any of these serious side effects: headache; sleep problems (insomnia); synthroid bone loss or irritable feeling; fever, hot flashes, sweating; changes in your menstrual periods; appetite changes, weight changes; Less serious side effects may include mild hair loss. Certain medicines can be continued, but they may make levothyroxine less effective if taken at the same time. 30 Product Characteristics Color PURPLE (Lilac) Score 2 pieces Shape ROUND Size 7mm Flavor Imprint Code Synthroid;175 Contains Packaging # NDC Package Description Multilevel Packaging 1 0074-7070-13 100 TABLET In 1 BOTTLE None 2 0074-7070-71 28 TABLET In 1 BOX None 3 0074-7070-19 1000 TABLET In 1 BOTTLE None Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date NDA NDA021402 07/24/2002 Synthroid levothyroxine sodium tablets tablet Product Information Product Type HUMAN PRESCRIPTION DRUG NDC Product Code (Source) 0074-7148 Route of Administration ORAL DEA Schedule Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength LEVOTHYROXINE SODIUM (LEVOTHYROXINE) LEVOTHYROXINE SODIUM 200 ug Inactive Ingredients Ingredient Name Strength ACACIA LACTOSE MONOHYDRATE MAGNESIUM STEARATE POVIDONE TALC FD&C RED NO. Overtreatment may result in craniosynostosis in infants and premature closure of the epiphyses in children with resultant compromised adult height. Do not share it with other people. Do not start a new medication without telling your doctor. The major pathway of thyroid hormone metabolism is through sequential deiodination. A serum TSH level should be obtained synthroid bone loss weeks postpartum. Patients with coronary artery disease who are receiving levothyroxine therapy should be monitored closely during surgical procedures, since the possibility of precipitating cardiac arrhythmias synthroid bone loss be greater in those treated with levothyroxine. Even if you feel well, you may still need to take this medicine every day for the rest of your life to replace the thyroid hormone your body cannot produce. People with very serious conditions caused by too little thyroid hormone may need higher doses. Children—The dose is based on body weight and must be determined by your doctor . Precautions While Using Synthroid It is very important that your doctor check your progress at regular visits. However, in patients with high-risk tumors, the target level for TSH suppression may be < 0.01 mU/L. You should not use this medication if you have had a heart attack, a thyroid disorder called thyrotoxicosis, or an adrenal gland problem that is synthroid bone loss controlled by treatment.
Acquired Hypothyroidism in Pediatric Patients The patient should be monitored closely to avoid undertreatment and overtreatment. The clinical significance of these changes remains to be determined. 6 D&C YELLOW NO. Tell your doctor about all medications you use. 6 Product Characteristics Color YELLOW Score 2 pieces Shape ROUND Size 7mm Flavor synthroid bone loss Code Synthroid;100 Contains Packaging synthroid bone loss NDC Package Description Multilevel Packaging 1 0074-6624-13 100 TABLET In 1 BOTTLE None 2 0074-6624-19 1000 TABLET In 1 BOTTLE None 3 0074-6624-11 10 BLISTER PACK In 1 synthroid bone loss UNIT-DOSE contains a BLISTER PACK synthroid bone loss 10 TABLET In 1 BLISTER PACK This package is contained within the BOX, UNIT-DOSE (0074-6624-11) Marketing Information Marketing Category Application Number or Monograph Citation Marketing synthroid bone loss Date Marketing End Date NDA NDA021402 07/24/2002 Synthroid synthroid bone loss sodium tablets tablet Product Information Product Type HUMAN PRESCRIPTION DRUG NDC Product Code (Source) 0074-6594 Route of Administration ORAL DEA Schedule Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength LEVOTHYROXINE SODIUM (LEVOTHYROXINE) LEVOTHYROXINE SODIUM 88 ug Inactive Ingredients Ingredient Name Strength ACACIA LACTOSE MONOHYDRATE MAGNESIUM STEARATE POVIDONE TALC FD&C BLUE NO. These products are provided "AS IS" and "as available" for use, without warranties of any kind, either express or implied. Diabetes patients - Synthroid may affect your blood sugar. Follow the directions on your prescription label. Drug-Food Interactions Consumption of certain foods may affect levothyroxine absorption thereby necessitating adjustments in dosing. 1 Aluminum Lake, D&C Red No. Interferon-β and -γ have not been reported to cause thyroid synthroid bone loss Thyroid hormones may increase the risk of coronary insufficiency when sympathomimetic agents are administered to patients with coronary artery disease. Information for Patients Patients should be informed of the following information to aid in the safe and effective use of Synthroid: Notify your physician if you are allergic to any foods or medicines, are pregnant or intend to become pregnant, are breast-feeding or are taking any other medications, including prescription and over-the-counter preparations. Before taking this medication, tell your doctor if you have heart disease, coronary artery disease, anemia (lack of red blood cells), diabetes, problems with your pituitary or adrenal glands, synthroid bone loss a history of blood clots.