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. 2009 Jul-Sep;12(3):140–153. doi: 10.4103/0972-2327.56312

Table 6.

Pharmacokinetic parameters of commonly used drugs for status epilepticus[34]

Latency (in minutes) Duration (in hours)
Lorazepam (IV) 3–10 12–24
Diazepam (rectal) 5–15 <1
Diazepam (IV) 1–5 <1
Midazolam (IM) 5–10 <1
Midazolam (buccal) 5–10 <1
Midazolam (IV) 10–30 12–2
Phenytoin (IV) 10–30 12–24
Fosphenytoin (IV) 10–30 12–24
Phenobarbitone (IV) 5–30 48–72
V (IV) <20 8–24

Latency = Time interval between commencement of infusion and onset of action. Duration = The time, from onset of infusion, for which the drug may maintain adequate anticonvulsant level in the blood.