Pharmacokinetics
Absorption: Readily absorbed after oral and IM administration; IV administration results in complete bioavailability
Distribution: Unknown
Metabolism and Excretion: Mostly metabolized by the liver
Half-life: 14 hr
TIME/ACTION PROFILE (skeletal muscle effects)
| ROUTE | ONSET | PEAK | DURATION |
| PO-ER | within 1 hr | 6–8 hr | 12 hr |
| IM | 5 min | 30 min | 12 hr |
| IV | immediate | unknown | 12 hr |
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