Clinical Medications WorksheetsGeneric Namelevetiracetam

Trade NameKeppra

ClassificationAnticonvulsants, pyrrolidines

Dose500 mg

RoutePO

Time/frequencyQ 12 hrs

Peak1-1.5 hr

Onsetrapid

Duration12 hr

Normal dosage range500mg twice daily initially; may be increased by 1000 mg/day at 2 wk intervals up to 3000 mg/day

Why is your patient getting this medicationSeizure disorder

For IV meds, compatibility with IV drips and/or solutionsN/A

Mechanism of action and indications(Why med ordered)The precise mechanism(s) by which levetiracetam exerts its antiepileptic effect is unknown. The antiepileptic activity of levetiracetam was assessed in a number of animal models of epileptic seizures. Levetiracetam did not inhibit single seizures induced by maximal stimulation with electrical current or different chemoconvulsants and showed only minimal activity in submaximal stimulation and in threshold tests. Protection was observed, however, against secondarily generalized activity from focal seizures induced by pilocarpine and kainic acid, two chemoconvulsants that induce seizures that mimic some features of human complex partial seizures with secondary generalization. Levetiracetam also displayed inhibitory properties in the kindling model in rats, another model of human complex partial seizures, both during kindling development and in the fully kindled state. The predictive value of these animal models for specific types of human epilepsy is uncertain.

Nursing Implications (what to focus on) Contraindications/warnings/interactionsHypersensitivity. Geriatric: renal elimination decreased; dose reduction may be necessary; Renal impairment (dose reduction recommended if CCr < or = 80mL/minr.)Common side effectsDizziness, weakness

Interactions with other patient drugs, OTC or herbal medicines (ask patient specifically)Reglan: Central nervous system- and/or respiratory-depressant effects may be additively or synergistically increased in patients taking multiple drugs that cause these effects, especially in elderly or debilitated patients.

Lab value alterations caused by medicineMay cause decrease RBC and WBC and abnormal liver function tests.

Be sure to teach the patient the following about this medicationInstruct patient to take medication as directed. Take missed doses as soon as possible unless almost time for next dose. Do not double doses. Do not discontinue abruptly; may cause increase in frequency of seizures. May cause dizziness and somnolence. Caution patient to avoid driving or activities requiring alertness until response to medication is known. Do not resume driving until physician gives clearance based on control of seizure disorder. Instruct patient to notify health care professional of medication regimen prior to treatment or surgery. Advise patient to carry identification describing disease process and medication regimen at all times.

Nursing Process- Assessment(Pre-administration assessment)Assess location, duration, and characteristics of seizure activity. Assess patient for CNS adverse effects throughout therapy. These adverse effects are categorized as somnolence and fatigue (asthenia), coordination difficulties (ataxia, abnormal gait, or incoordination), and behavioral abnormalities (agitation, hostility, anxiety, apathy, emotional lability, depersonalization, depression) and usually occur during the first 4 weeks of therapy.

AssessmentWhy would you hold or not give this med?Abrupt discontinuation of this medication may increase the frequency of seizure activity.

EvaluationCheck after givingDecrease in the frequency of or cessation of seizures.