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Keppra Xr Generic Name & Formulations
Legal Class
Rx
General Description
Levetiracetam 500mg, 750mg; ext-rel tabs.
Pharmacological Class
Antiepileptic.
How Supplied
Tabs 250mg, 500mg, 750mg—120; 1000mg—60; XR—60; Soln—16oz; Single-use vials (5mL)—10
Manufacturer
Keppra Xr Indications
Indications
Partial onset seizures in patients ≥12yrs old.
Keppra Xr Dosage and Administration
Adult
Swallow whole. ≥12yrs (≥50kg): initially 1g once daily; may increase at 2-week intervals in increments of 1g/day; max 3g/day. Renal impairment: CrCl 50–80mL/min: 1–2g every 24hrs; CrCl 30–50mL/min: 500mg–1.5g every 24hrs; CrCl <30mL/min: 500mg–1g every 24hrs; ESRD on dialysis: use immediate-release levetiracetam.
Children
<12yrs: not established.
Keppra Xr Contraindications
Not Applicable
Keppra Xr Boxed Warnings
Not Applicable
Keppra Xr Warnings/Precautions
Warnings/Precautions
Monitor for behavioral abnormalities, psychiatric symptoms, emergence or worsening of depression, suicidal ideation, somnolence, fatigue. Hematologic abnormalities: do CBCs in those experiencing significant weakness, pyrexia, recurrent infections, or coagulation disorders. Discontinue if anaphylaxis or angioedema develops. Discontinue at the 1st sign of rash; do not resume if Stevens-Johnson syndrome or toxic epidermal necrolysis is suspected. Renal impairment. Avoid abrupt cessation. Elderly (consider monitoring renal function). Pregnancy: monitor carefully (esp. during 3rd trimester). Nursing mothers.
Keppra Xr Pharmacokinetics
See Literature
Keppra Xr Interactions
Keppra Xr Adverse Reactions
Adverse Reactions
Somnolence, asthenia, infection, dizziness; behavioral abnormalities (eg, irritability, aggression, anger, depression, anxiety, apathy), psychotic symptoms, coordination difficulties (eg, ataxia, abnormal gait), hematologic abnormalities, dermatological reactions (may be serious). Children: also fatigue, nasal congestion, decreased appetite; BP increases in children 1 month–4yrs (monitor).
Keppra Xr Clinical Trials
See Literature
Keppra Xr Note
Notes
Enroll pregnant patients exposed to levetiracetam in the North American Antiepileptic Drug pregnancy registry (888) 233-2334 or the UCB AED Pregnancy Registry (888) 537-7734.
Keppra Xr Patient Counseling
See Literature
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