What is the association between lamotrigine (anticonvulsant) and sexual dysfunction?

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Last updated: May 19, 2025View editorial policy

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From the Research

Lamotrigine may be beneficial in improving sexual dysfunction in some patients, particularly those with epilepsy, as it has been shown to have a positive effect on sexual function in certain cases, as noted in a study from 2006 1. When considering lamotrigine for sexual dysfunction, it's essential to weigh the potential benefits against the risks, as the medication can also cause sexual dysfunction as a side effect, as reported in a case analysis from 2017 2. Some key points to consider when evaluating the use of lamotrigine for sexual dysfunction include:

  • The medication's potential to modulate glutamate and dopamine, neurotransmitters involved in sexual function, which may help reverse sexual dysfunction caused by other medications, especially selective serotonin reuptake inhibitors (SSRIs) 1.
  • The importance of a thorough evaluation to identify underlying causes of sexual dysfunction and supervision by a healthcare provider to monitor for potential side effects, including the rare but serious Stevens-Johnson syndrome 2.
  • Alternative approaches to managing sexual dysfunction, such as the use of phosphodiesterase inhibitors like sildenafil or tadalafil, which have been shown to be effective in treating erectile dysfunction in men, as noted in a review from 2013 3. It's also worth noting that lamotrigine has been associated with hypersexuality in some cases, as reported in a study from 2006 4, highlighting the need for careful consideration and monitoring when using this medication to treat sexual dysfunction. Overall, while lamotrigine may be a useful option for some patients with sexual dysfunction, its use should be carefully evaluated and monitored to minimize the risk of adverse effects and ensure the best possible outcome for the patient.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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