Lancashire and South Cumbria
Formulary
 
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4 Central nervous system
04-06 5HT3 antagonists

Ondansetron
Formulary

Tablets 4mg, 8mg
Liquid 4mg/5mL
Injection 4mg/2mL, 8mg/4mL

Nausea & vomiting post operatively or chemotherapy induced.

Link  MHRA: Ondansetron for intravenous use: dose-dependent QT interval prolongation
Link  MHRA: Ondansetron: small increased risk of oral clefts following use in the first 12 weeks of pregnancy
Link  NICE: Management of vomiting in children and young people with gastroenteritis: ondansetron

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Granisetron
Formulary

Tablets 1mg
Injection 1mg/1ml, 3mg/3ml

Nausea & vomiting post operatively or chemotherapy induced.
Second line 5HT3 anatagonist.


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Ondansetron
Formulary

Second line for hyperemesis (unlicensed indication) in line with RCOG guidance.
Consultant initiation only.

Link  MHRA: Ondansetron for intravenous use: dose-dependent QT interval prolongation
Link  MHRA: Ondansetron: small increased risk of oral clefts following use in the first 12 weeks of pregnancy
Link  RCOG: The Management of Nausea and Vomiting of Pregnancy and Hyperemesis Gravidarum (Green-top Guideline No.69)

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