These include urticaria, pruritus, skin rash, flushing, angioedema, various GI symptoms (abdominal pain, nausea, vomiting and diarrhea), fever, arthralgia, serum sickness and wheezing. Familial hyper- or hypo-thyroxine binding globulinemias have been described, with the incidence of TBG synthroid fluctuation approximating 1 in 9000. Antidiabetic Agents - Biguanides - Meglitinides - Sulfonylureas - Thiazolidinediones - Insulin Addition of levothyroxine to antidiabetic or insulin therapy may result in increased antidiabetic agent or insulin requirements. Thyroid hormones cross the placental barrier to some extent as synthroid fluctuation by levels in cord blood of athyreotic fetuses being approximately one-third maternal levels.
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Tell your doctor if you become pregnant during treatment. Therefore, the possibility of fetal harm appears remote. See full synthroid fluctuation information for dosage and administration. Undertreatment may have deleterious effects on intellectual development and linear growth. Sympathomimetics Concurrent use may increase the effects of sympathomimetics or thyroid hormone. Do not take in larger or synthroid fluctuation amounts or for longer than recommended. Agents such as iron and calcium supplements and antacids can decrease the absorption of levothyroxine sodium tablets. If you suspect a massive overdose, seek emergency medical attention immediately. A study evaluated synthroid fluctuation effect of long-term thyroid hormone therapy on bone mineral density in 196 women (mean age, 74.4 years) compared to a control group comprised of 795 women (mean age, 72.1 years). General information: If you have any questions about Synthroid, please talk with your doctor, pharmacist, or other health care provider. Synthroid is usually taken in the morning. Your doctor may need to change your dose of Synthroid. Important safety information: Some brands of Synthroid may cause choking, gagging, or trouble swallowing. Patients who are not treated should be monitored yearly for changes in clinical status and thyroid laboratory parameters. If the serum TSH is already suppressed, levothyroxine sodium should not be administered (see CONTRAINDICATIONS ). If your brand may cause these effects, be sure to take your medicine with a full glass of water.
Hypersensitivity to levothyroxine itself is not known to occur. A serum TSH level should be obtained 6-8 weeks postpartum. 6 Aluminum Lake, FD&C Red No. Notify your physician or dentist that you are taking Synthroid prior to any surgery. 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 not controlled by treatment. Digitalis glycosides The therapeutic effects of digitalis glycosides may be reduced by levothyroxine. Oral cholecystographic agents and amiodarone are slowly excreted, producing more prolonged hypothyroidism than parenterally administered iodinated contrast agents. Synthroid is a thyroid hormone. Tell your health synthroid fluctuation provider if you are taking any synthroid fluctuation medicines, especially any of the following: Many prescription synthroid fluctuation nonprescription medicines (eg, used for infections, inflammation, aches and pains, nasal synthroid fluctuation asthma, high blood pressure, irregular heartbeat or other heart problems, blood thinning, synthroid fluctuation or mood problems, depression, diabetes, other thyroid problems, high cholesterol, hepatitis, weight loss, heartburn, birth control, hormone replacement therapy, growth hormone deficiency, cancer, seizures), and multivitamin products may interact with Synthroid, increasing the risk of side effects or decreasing effectiveness. Keep Synthroid out of the reach of children. However, three weeks after initiating treatment, the patient reported intermittent chest pains during the course of treatment, and a coronary artery angiogram revealed diffuse stenosis of all 3 branches.