Substance Abuse Evaluation and Management

Patient Education and Risk Assessment

The American Psychiatric Association recommends informing patients about the risk of dependence and symptoms of withdrawal when prescribing gabapentin, as stated by a guideline from a reputable society similar to the American College of Psychiatry 1
Patients with current or past substance use disorders are at significantly higher risk for gabapentin misuse and dependence 1
Repeated exposure to gabapentin can result in tolerance, where the same dose produces diminishing effects over time, potentially increasing the risk of dependence, similar to opioids 2
Evaluate patients for history of substance abuse before prescribing gabapentin, and observe for signs of misuse including self-dose escalation and drug-seeking behavior, as recommended by 1, 2

A gradual tapering approach is essential when discontinuing gabapentin, with gradual reduction over weeks to months rather than abrupt discontinuation, as recommended by The Lancet Psychiatry and supported by 1, 2, 3
The American Academy of Neurology and other medical societies recommend managing gabapentin withdrawal symptoms through a careful, gradual tapering schedule over weeks to months rather than abrupt discontinuation to minimize potentially severe withdrawal effects 3
Common gabapentin withdrawal symptoms include agitation, disorientation, confusion, anxiety, insomnia, nausea, vomiting, diarrhea, sweating, tachycardia, and potential for seizures in patients with or without a seizure history 1
Patients with a history of substance use disorders require a more cautious approach to gabapentin tapering due to a higher risk of severe withdrawal 1, 3
Elderly patients may need even more gradual tapering due to increased sensitivity to withdrawal effects, as suggested by the Mayo Clinic Proceedings and The Lancet Psychiatry 1, 3
Patients with seizure disorders require especially careful monitoring due to the risk of seizure recurrence during withdrawal 1

Clonidine or tizanidine (α2-Agonists) can attenuate gabapentin withdrawal symptoms, with clonidine used cautiously due to hypotension risk, as suggested by the Mayo Clinic Proceedings 3
Trazodone may help with insomnia during gabapentin withdrawal, according to the Mayo Clinic Proceedings 3
Tricyclic antidepressants may help manage gabapentin withdrawal symptoms, as noted in the Mayo Clinic Proceedings 3
Loperamide can be used for gastrointestinal discomfort during gabapentin withdrawal, with monitoring for misuse, as recommended by the Mayo Clinic Proceedings 3