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Author: Admin | 2025-04-28
Situations, the dosage of levothyroxine depends on body weight. You may be prescribed a dosage of at least 2 mcg/kg of body weight to be taken once daily. For example, someone who weighs 70 kg may be prescribed a dose of 137 to 150 mcg to be taken once daily.For thyroid cancer, levothyroxine is usually prescribed in combination with surgery and radioactive iodine therapy.What’s the dosage of levothyroxine for children?Levothyroxine is used to help treat hypothyroidism in children as young as newborns (ages 0 to 3 months).The dosage for children may be based on their age, weight, and growth stage. This levothyroxine dosage chart shows recommended children’s starting dosages:The above chart is recommended based on prescribing information. Your child’s doctor will prescribe the best dosage for your child.If your child is a newborn at risk of heart problems, the doctor may prescribe a low starting dose. They may increase it every 4 to 6 weeks as needed.If your child is at risk of hyperactivity, your doctor may choose a graduated starting dose. They’ll usually prescribe 25% of the recommended dose (shown in the children’s dosing chart above). Then they’ll gradually increase the dose weekly.For more information about levothyroxine’s dosage for children, talk with your child’s doctor or a pharmacist.Is levothyroxine used long term?Yes, levothyroxine is usually a long-term treatment. You and your doctor can determine whether it’s safe and effective for your condition. If you agree that it is, you’ll likely take it long term.It’s important to know that decreased bone mineral density is a risk associated with long-term levothyroxine treatment. This is especially relevant for women in postmenopause and older adults (ages 65 years and older).Talk with your doctor to learn more about risks associated with long-term levothyroxine treatment.You should swallow your levothyroxine dose once daily with water. You’ll take each dose 30 minutes to 1 hour before your first meal of the day. Try to take your dose at the same time of day every day.If you take certain drugs, you may need to space your dose of levothyroxine apart from them by 4 hours. And if you regularly eat certain foods within 1 hour of taking levothyroxine, your doctor may adjust your dose.If your child cannot swallow tablets, you may crush their levothyroxine dose. Mix the crushed tablet in 1 to 2 teaspoons of water. Then give your child the dose right away using a dropper or
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