Questions and Answers
What drug class does Dextromethorphan (Delsym) belong to?
Antitussive therapy
What is the mechanism of action (MOA) of Dextromethorphan?
Suppress cough by depressing the cough center in the medulla oblongata or the cough receptors in the throat, trachea, or lung, elevating the threshold for coughing
What is the primary use of Dextromethorphan?
Dry/hacking/nonproductive cough that interferes with rest and sleep; treating diabetic neuropathy pain
What is a major contraindication for using Dextromethorphan?
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What are nursing implications for administering Dextromethorphan?
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Study Notes
Dextromethorphan (Delsym) Overview
- Classified as an antitussive therapy, used to suppress coughs.
Mechanism of Action (MOA)
- Acts by depressing the cough center located in the medulla oblongata.
- Affects cough receptors found in the throat, trachea, or lungs.
- Increases the threshold for coughing, reducing the urge to cough.
Indications for Use
- Effective for treating dry, hacking, and nonproductive coughs that disrupt rest and sleep.
- May also be used in managing diabetic neuropathy pain.
Contraindications
- Avoid use in patients with known hypersensitivity to dextromethorphan or its components.
- Exercise caution when administering to children with atopic syndrome due to potential histamine release.
Nursing Implications
- Administer dextromethorphan-containing cough syrups undiluted for optimal effect.
- Recommend avoiding food and drinks for about 30 minutes post-administration to enhance effectiveness.
- Monitor for signs of excessive cough reflex suppression or hallucinations, especially at higher dosages.
- Note that while it alleviates symptoms, it does not cure the underlying condition causing the symptoms.
- Increased intake may lead to central nervous system impairment.
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Description
Test your knowledge on the key concepts of Dextromethorphan (Delsym) through these flashcards. Each card covers essential aspects such as drug class, mechanism of action, and uses, providing a comprehensive overview for learners and practitioners alike.
