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Horizant Dosage

Generic name: gabapentin enacarbil
Drug class: Gamma-aminobutyric acid analogsMedically reviewed by  A Ras MD.

Recommended Adult Dosing

Dosage forms:  ER TAB: 300 mg, 600 mg

Restless legs syndrome, mod-severe primary

[600 mg PO qd]
Max: 600 mg/day; Info: give w/ food around 5pm; do not cut/crush/chew tab

Post-herpetic neuralgia

[600 mg PO bid]
Start: 600 mg PO qam x3 days; Max: 1200 mg/day; Info: give w/ food; do not cut/crush/chew tab; taper to qam dosing x1wk to D/C

Renal dosing

[restless leg syndrome]
CrCl 30-59: start 300 mg qd, may incr. to 600 mg qd; Cr 15-29: 300 mg qd; CrCl <15: 300 mg qod
HD: avoid use; PD: not defined
[post-herpetic neuralgia]
CrCl 30-59: start 300 mg qam x3 days, then 300 mg bid; may incr. to 600 mg bid; CrCl 15-29: start 300 mg x1 on days 1 and 3, then 300 mg qam; may incr. to 300 mg bid; CrCl <15: 300 mg qod, may incr. to 300 mg qam
HD: 300 mg x1 after each dialysis, may incr. dose to 600 mg; PD: not defined

Hepatic dosing

[no adjustment]

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