Tablet
100 mg
25 mg
Injection
25 mg/ml
Dosage Forms
Uses
Dose and Duration
Mania, delirium
Adult: initially, 100–200 mg every 8 hours,
then adjust according to response. Daily doses up to 300 mg may
be given as a single dose at night
Control spasms in tetanus (alternating with diazepam)
Adult:100 mg every 4–6 hours by nasogastric
tube
Child:12.5–25 mg every 4–6 hours by nasogastric
tube. Continue for as long as spasms or rigidity persists
Intractable hiccups
Adult:25–50 mg every 6–8 hours
Excessive vomiting in pregnancy
Adult:25 mg repeated as needed (at most every 4
hours). If severe, give by deep IM injection every 6 hours or as
required