Questions and Answers
What is the generic name of the drug?
What class of drug is Losartan Potassium?
What is the mechanism of action (MOA) of Losartan?
Blocks the conversion of A1 to all; the effect is comparable to ACE inhibitors, however ARBs do not cause a cough.
What are the indications for using Losartan?
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What are the contraindications for Losartan?
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What are some adverse effects of Losartan?
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What nursing implications should be considered when administering Losartan?
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What is the route of administration for Losartan?
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What is the peak effect time for Losartan?
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What is the duration of effectiveness for Losartan?
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What patient education should be provided for Losartan?
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Study Notes
Losartan Potassium Overview
- Generic name: Losartan Potassium
- Classification: Angiotensin II Receptor Antagonist (ARB)
Mechanism of Action
- Blocks the conversion of Angiotensin I to Angiotensin II
- Comparable effects to ACE inhibitors without causing cough
Indications
- Primary use for treating hypertension (high blood pressure)
Contraindications
- Hypersensitivity to Losartan
- Not safe during pregnancy (Category C in first trimester, Category D in second and third trimesters)
- Use during lactation is not recommended
Adverse Effects
- Possible side effects include chest pain, fatigue, and hypoglycemia
- NSAIDs may diminish the antihypertensive effects of ARBs
Nursing Implications
- Monitor blood pressure at drug trough (before scheduled doses)
- Assess drug effectiveness, particularly in African-American populations when used as monotherapy
- In cases of inadequate response, consider dividing daily dosage into two doses
Route of Administration
- Taken orally (PO)
Onset, Peak, and Duration
- Onset: Not applicable
- Peak effect occurs in 6 hours
- Duration of action lasts for 24 hours
Patient Education
- Report symptoms of hypotension (e.g., dizziness, fainting) to a physician
- Notify healthcare provider if pregnancy occurs while on medication
- Advise against breastfeeding during treatment with Losartan
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Test your knowledge of Losartan Potassium with these flashcards. The quiz covers its classification, mechanism of action, indications, and contraindications. Perfect for students and professionals in the field of pharmacology.
