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Questions and Answers
What is the generic name for Phenergan?
What is the generic name for Phenergan?
- Promethazine (correct)
- Diphenhydramine
- Ondansetron
- Metoclopramide
What is the drug class of Phenergan?
What is the drug class of Phenergan?
- Antiemetic, Antihistamine (correct)
- Antibiotic
- Analgesic
- Antipyretic
What are the routes of administration for Phenergan?
What are the routes of administration for Phenergan?
- Sublingual
- Transdermal, Inhalation
- IV, IO, IM (correct)
- Oral, Subcutaneous
What is the mechanism of action of Phenergan?
What is the mechanism of action of Phenergan?
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What are the indications for Phenergan?
What are the indications for Phenergan?
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Which of the following are contraindications for Phenergan? (Select all that apply)
Which of the following are contraindications for Phenergan? (Select all that apply)
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What are the adverse effects of Phenergan?
What are the adverse effects of Phenergan?
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What is the adult dosage range for Phenergan?
What is the adult dosage range for Phenergan?
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What is the pediatric dosage for Phenergan for children 2 years and older?
What is the pediatric dosage for Phenergan for children 2 years and older?
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What is the pregnancy category of Phenergan?
What is the pregnancy category of Phenergan?
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Study Notes
Phenergan Overview
- Generic Name: Promethazine
- Trade Name: Phenergan
Drug Classification
- Classified as an antiemetic and antihistamine
Administration Routes
- Administered via IV (intravenous), IO (intraosseous), and IM (intramuscular)
Mechanism of Action
- Functions by antagonizing H1 receptors, which decreases nausea and vomiting
Indications
- Primarily indicated for nausea and vomiting
Contraindications
- Not suitable for patients with:
- Altered level of consciousness
- Jaundice
- Bone marrow suppression
- Known sensitivity to the drug
- Caution advised for individuals with seizure disorders
Adverse Effects
- Potential for paradoxical excitation, particularly in children and elderly patients
Adult Dosages
- Recommended dosages for adults range from 12.5 mg to 25 mg via IV, IO, or IM administration
Pediatric Dosages
- For children aged 2 years and older, dosages range from 0.25 mg to 1 mg/kg via IV, IO, or IM
- Maximum IV or IO administration rate is 25 mg/min
Special Considerations
- Classified as Pregnancy Class C, indicating potential risk that must be weighed against benefits during pregnancy
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