zofran (ondansetron) - centegra health...
TRANSCRIPT
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Zofran (Ondansetron)
McHenry Western Lake County EMS
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Objectives
• During this session we will discuss: • Class • Actions • Indications • Contraindications • Dosing/Routes • How supplied • Precautions • Side effects
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Class
• Antiemetic
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Actions
• Prevents nausea, vomiting by blocking serotonin peripherally, centrally and in the small intestine.
• Selective 5-HT3 receptor antogonist. • Category B in pregnancy
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Indications
• Nausea and vomiting
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Dosing and Route
• Adults: 4 mg oral dissolve tablet (ODT) or slow IVP (over no less than 30 sec.) May repeat X 1 in 10 minutes to a total of 8 mg.
• Children: 0. 15 mg/kg up to a total dose of 4 mg quick dissolve tablet or IVP. May repeat X1 in 10 minutes to a total of 8mg. (age 4 and older)
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How supplied
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How to administer
• Do not remove med from blister pack until just prior to dosing
• Do not try and push tablet through the foil • Peel blister backing completely off packet • Gently remove tablet from packet • Place on patients tongue to dissolve and
be swallowed with saliva
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Contraindications
• Hypersensitivity
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Precautions
• Pregnancy (B) • Lactation • Children • Elderly
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Side Effects/adverse reactions: • GI: Diarrhea, constipation, abdominal
pains. • CNS: Headache, dizziness, drowsiness,
fatigue. • Misc: Rash, shivering, fever, hypoxia,
urinary retention. • Rare: bronchospasm (rare), transient
blurred vision after infusion.
• Ref: MWLCEMS Protocol and 2000 Mosby’s Nursing Drug Reference Book
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Case Study
• You are transporting a 24 y/o male who is complaining of abdominal pains with nausea and vomiting. After your initial medical care you could:
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Answer
• Zofran: 4 mg oral dissolve tablet (ODT) or slow IVP (over no less than 30 sec.) May repeat X 1 in 10 minutes to a total of 8 mg.
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Case Study
• The patient is still nauseated. Can you give another dose of Zofran?
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Answer
• Yes…may repeat x1 to a total of 8 mg.
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Case Study
• You are treating a 6 y/o child with nausea and vomiting. The patients weight is 40 lbs. What would the appropriate dose of Zofran be for this child?
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Answer
• 0.15 mg/kg for the pediatric patient.
• 40 lb child • Divide by 2.2 to get kg = 18 • 18 X 0.15mg/kg = 2.7