Neurontin (gabapentin) capsules, tablets, and oral solution

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER)

September 2015

Summary View


Anaphylaxis and Angioedema
  • Neurontin can cause anaphylaxis and angioedema after the first dose or at any time during treatment. Signs and symptoms in reported cases have included difficulty breathing, swelling of the lips, throat, and tongue, and hypotension requiring emergency treatment. Patients should be instructed to discontinue Neurontin and seek immediate medical care should they experience signs or symptoms of anaphylaxis or angioedema.


Postmarketing Experience (6.2)
  • Reproductive system and breast disorders: … changes in libido, ejaculation disorders and anorgasmia
Drug Interactions
  • *updates related to concomitant use with opioids

Patient Counseling Information

Anaphylaxis and Angioedema

  • Advise patients to discontinue Neurontin and seek medical care if they develop signs or symptoms of anaphylaxis or angioedema


March 2011
Summary View


Postmarketing and Other Experience
  • breast enlargement


Page Last Updated: 10/09/2015
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