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Tablets: 2, 5 mg
Elixir: 2 mg/mL
Sequels: 5 mg (sustained release)
Tablets: 0.5, 1, 2 mg
Ampules: 1 mg/mL (2 mL)
Every 30 minutes (until symptom relief)
Tablets: 2 mg
Ampules: 5 mg/mL (1 mL)b
Tablets: 5 mg (scored)
Tablets: 25, 50 mg
Ampules: 50 mg/mL (1 mL, 10 mL)
Syringe (prefilled): 1 mL
Tablets: 100 mg
Syrup: 50 mg/5 mL
Note. N/A = not
applicable; qd = once daily; bid = twice daily;
tid = three times daily.
aAdapted from Klett and Caffey 1972Klett and Caffey 1972.
bNo longer available
as an injectable in the United States.