Pregabalin

DEA Class;  Rx

Common Brand Names; Lyrica, Lyrica CR

  • Analgesics, Other; 
  • Anticonvulsants, Other; 
  • Fibromyalgia Agents

Oral compound chemically and structurally similar to gabapentin, with antiepileptic, analgesic, and anxiolytic properties
Used for neuropathic pain associated with diabetic peripheral neuropathy or spinal cord injury, postherpetic neuralgia, fibromyalgia, and adjunctive therapy for partial onset seizures
Monitor for emerging or worsening depression, suicidal thoughts/behavior, or mood/behavior changes

Indicated for the adjunctive treatment of partial seizures (with or without secondary generalization).

For the treatment of fibromyalgia.
For the treatment of neuropathic pain due to diabetic neuropathy, postherpetic neuralgia, spinal cord injury, and trigeminal neuralgia.
For the treatment of social phobia (social anxiety disorder).
For the treatment of generalized anxiety disorder (GAD).
 

Hypersensitivity

Lyrica CR

  • Dizziness (3.4-17.1%)

  • Somnolence (0.5-11.4%)

Lyrica

  • Dizziness (8-45%)

  • Somnolence (lethargy, sluggishness, hypersomnia; 4-36%)

  • Peripheral edema (16%)

  • Ataxia (1-20%)

  • Fatigue (5-11%)

  • Xerostomia (1-15%)

  • Weight gain (16%)

  • Tremor (11%)

  • Blurred vision (1-12%)

  • Diplopia (12%)

Peripheral edema may occur; higher frequencies of weight gain and peripheral edema were observed in patients taking both pregabalin and a thiazolidinedione antidiabetic agent compared to patients taking either drug alone; monitor these patients for possible exacerbation of congestive heart failure symptoms when using pregabalin

Pregabalin may cause dizziness and somnolence; inform patients that pregabalin may impair their ability to perform tasks such as driving or operating machinery; concomitant use of pregabalin with other central nervous system (CNS) depressants may exacerbate these effects; for patients 1 month to less than 4 years of age, somnolence includes related terms lethargy, sluggishness, and hypersomnia

Weight gain may occur; long-term cardiovascular effects of pregabalin-associated weight gain are unknown

Symptoms including, insomnia, nausea, headache, anxiety, and diarrhea were reported following abrupt or rapid discontinuation of treatment; increased seizure frequency may occur in patients with seizure disorders and have rapid discontinued treatment; taper pregabalin gradually over a minimum of 1 week rather than discontinuing the drug abruptly

Unexpectedly high incidence of hemangiosarcoma was identified in 2 different strains of mice; the clinical significance of this finding is unknown

In controlled studies, blurred vision and other vision-related events were reported with treatment; clinical significance of the ophthalmologic findings is unknown, inform patients to notify their physician if changes in vision occur; if visual disturbance persists, consider further assessment

Creatine kinase elevations has been associated with treatment; monitor for symptoms (eg, unexplained muscle pain, tenderness, or weakness, particularly if these muscle symptoms are accompanied by malaise or fever); discontinue treatment if myopathy is diagnosed or suspected or if markedly elevated creatine kinase levels occur

There are no adequate and well-controlled studies with pregabalin in pregnant women

Small amounts of pregabalin have been detected in the milk of lactating women

Based on animal studies, there is a potential risk of tumorigenicity with pregabalin exposure via breast milk to the breastfed infant

Adults

Immediate-release formulations: 300 mg/day PO for diabetic peripheral neuropathy; 600 mg/day PO for postherpetic neuralgia, neuropathic pain due to spinal cord injury, and adjunctive treatment of seizures; 450 mg/day PO for fibromyalgia.
Extended-release tablets: 330 mg/day PO for diabetic peripheral neuropathy; 660 mg/day PO for postherpetic neuralgia.

Geriatric

Immediate-release formulations: 300 mg/day PO for diabetic peripheral neuropathy; 600 mg/day PO for postherpetic neuralgia, neuropathic pain due to spinal cord injury, and adjunctive treatment of seizures; 450 mg/day PO for fibromyalgia.
Extended-release tablets: 330 mg/day PO for diabetic peripheral neuropathy; 660 mg/day PO for postherpetic neuralgia.

Adolescents

Immediate-release formulations:
17 years: 600 mg/day PO for adjunctive treatment of partial seizures.
13 to 16 years weighing 30 kg or more: 10 mg/kg/day PO (Max: 600 mg/day) for adjunctive treatment of partial seizures.
13 to 16 years weighing less than 30 kg: 14 mg/kg/day PO for adjunctive treatment of partial seizures.
Extended-release tablets: Safety and efficacy have not been established.

Children

Immediate-release formulations:
Weighing 30 kg or more: 10 mg/kg/day PO (Max: 600 mg/day) for adjunctive treatment of partial seizures.
Weighing less than 30 kg: 14 mg/kg/day PO for adjunctive treatment of partial seizures.
Extended-release tablets: Safety and efficacy have not been established.

Infants

Immediate-release formulations: 14 mg/kg/day PO for adjunctive treatment of partial seizures.
Extended-release tablets: Safety and efficacy have not been established.

Neonates

Safety and efficacy have not been established.

Pregabalin

capsule: Schedule V

  • 25mg
  • 50mg
  • 75mg
  • 100mg
  • 150mg
  • 200mg
  • 225mg
  • 300mg

oral solution: Schedule V

  • 20mg/mL

tablet, extended-release: Schedule V

  • 82.5 mg
  • 165 mg
  • 330 mg

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