Podcast
Questions and Answers
What is the generic name for Phenergan?
What is the generic name for Phenergan?
What are the trade names for Promethazine?
What are the trade names for Promethazine?
Which classifications apply to Phenergan?
Which classifications apply to Phenergan?
What is the action of Phenergan?
What is the action of Phenergan?
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The drug should be given in concentrations no greater than _____ mg/mL.
The drug should be given in concentrations no greater than _____ mg/mL.
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What are the indications for using Phenergan?
What are the indications for using Phenergan?
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Which of the following are adverse reactions of Phenergan?
Which of the following are adverse reactions of Phenergan?
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What are the contraindications for using Phenergan?
What are the contraindications for using Phenergan?
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Which substances may interact with Phenergan?
Which substances may interact with Phenergan?
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What nursing implications should be considered when administering Phenergan?
What nursing implications should be considered when administering Phenergan?
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Study Notes
Phenergan Overview
- Generic name: Promethazine
- Trade names include Histanil and Promethacon
Classification
- Functions as an anti-emetic and antihistamine
Mechanism of Action
- Blocks histamine effects
- Inhibits the vomiting reflex located in the medulla
Administration Guidelines
- Maximum concentration: 25 mg/mL
- Administer no faster than 25 mg/minute
- Can be diluted in 10 to 20 mL of normal saline for IV infusion
- Preferred administration site: large-bore veins, ideally via central venous access
- IV administration time frame: 10 to 15 minutes
- Injection should occur through a port that is farthest from the patient's vein to reduce complications
Indications for Use
- Effective for treating allergic reactions
- Used to alleviate motion sickness
Potential Adverse Reactions
- Neuroleptic malignant syndrome, confusion, and disorientation
- Sedation可能性
- Highly caustic; can damage blood vessel intima and surrounding tissues
- Immediate cessation of injection is required if burning sensation occurs, to assess for possible complications
Contraindications
- Not suitable for patients in a coma
- Avoid in individuals with angle-closure glaucoma
- Contraindicated with alcohol and bisulfites
Drug Interactions
- Caution with central nervous system (CNS) depressants like alcohol and opioids
- Interaction with antihistamines
Nursing Considerations
- Regularly assess IV site integrity
- Monitor vital signs: blood pressure, pulse, and respiratory rate
- Evaluate level of consciousness (LOC)
- Observe for signs of vomiting (emesis)
- Monitor complete blood count (CBC) for any changes
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Description
Test your knowledge of Phenergan with these flashcards. This quiz covers its generic name, trade names, classification, action, and recommended dosage. Perfect for pharmacy students and healthcare professionals.
