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Questions and Answers
What classification does Levothyroxine belong to?
What classification does Levothyroxine belong to?
What are the therapeutic actions of Levothyroxine?
What are the therapeutic actions of Levothyroxine?
Increases the metabolic rate of body tissues, increasing oxygen consumption, respiration, and heart rate; the rate of fat, protein, and carbohydrate metabolism; and growth and maturation.
What decreases the absorption of thyroid hormones when taken together with Levothyroxine?
What decreases the absorption of thyroid hormones when taken together with Levothyroxine?
Cholestyramine
How is Levothyroxine metabolized and excreted?
How is Levothyroxine metabolized and excreted?
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What are some contraindications for Levothyroxine?
What are some contraindications for Levothyroxine?
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What are some common adverse effects of Levothyroxine?
What are some common adverse effects of Levothyroxine?
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What nursing considerations should be taken when administering Levothyroxine?
What nursing considerations should be taken when administering Levothyroxine?
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Study Notes
Levothyroxine Overview
- Levothyroxine is classified as a thyroid hormone used to treat various thyroid-related conditions.
Therapeutic Actions and Indications
- Increases metabolic rate, oxygen consumption, respiration, heart rate, and metabolism of fats, proteins, and carbohydrates.
- Indicated for treating hypothyroidism, euthyroid goiters, thyroid cancer, thyrotoxicosis, and myxedema coma.
Drug Interactions
- Absorption can be decreased when taken with cholestyramine; should be taken 2 hours apart.
- Dosing adjustments may be necessary for anticoagulants when taken concurrently.
Pharmacokinetics
- Administered orally; metabolized in the liver and excreted via bile.
Contraindications and Cautions
- Contraindicated in individuals with allergies to the drug, acute thyrotoxicosis, or acute myocardial infarction.
- Use with caution in patients who are lactating or have hypoadrenal conditions such as Addison's disease.
Adverse Effects
- Possible side effects include tremors, headaches, nervousness, palpitations, tachycardia, allergic skin reactions, anxiety, alopecia, diarrhea, and nausea/vomiting.
- Generally well-tolerated once the correct dosage is established.
Nursing Considerations
- Baseline assessments should include ECG and thyroid function tests.
- Administer medication before breakfast with a full glass of water to help prevent esophageal stricture.
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Description
Explore the pharmacological aspects of Levothyroxine through these informative flashcards. Each card provides key classifications and therapeutic actions associated with this essential thyroid hormone. Perfect for students and healthcare professionals alike.
