Anticonvulsant
Mixed evidence
Gabapentin (Neurontin)
Modestly effective for hot flashes. Significant side effects limit its appeal.
30-second summary
Gabapentin is an anticonvulsant medication used off-label for hot flash reduction. It has genuine but modest evidence — approximately 45-55% reduction in hot flash frequency compared to HRT 85-90%. The side effect profile — particularly drowsiness and dizziness — makes it difficult for many women to tolerate, especially at doses that produce meaningful benefit.
What it is
Originally developed for epilepsy, gabapentin affects the nervous system in ways that reduce vasomotor symptoms. It is sometimes prescribed at lower doses specifically for night sweats to be taken before bed.
What the evidence shows
Randomised trials show meaningful hot flash reduction compared to placebo. Some evidence that taking it at night specifically reduces night sweats and improves sleep — which may be its most useful application. Less effective than HRT and SSRIs/SNRIs for most women.
Honest about risks and side effects
Dizziness, drowsiness, and cognitive effects (feeling "foggy") are common, particularly when starting. Weight gain occurs in some women. Dependency and withdrawal symptoms on stopping. Risk of misuse. Not recommended for women with kidney problems.
What we do not know
Optimal dose specifically for menopausal hot flashes has not been well established. Long-term effects in menopausal women are understudied.
Who it is best for
Women who cannot take HRT or SSRIs and have significant hot flash burden. Women whose primary issue is night sweats disrupting sleep — low-dose gabapentin at bedtime may help specifically.
Who should be cautious
Women who need to drive or operate machinery — drowsiness is significant. Women with kidney disease. Women on opioids — dangerous interaction.
How to access this
Prescription required. Often a second or third line option after HRT and SSRIs have been considered.
Questions to ask your doctor
• Would a low dose at night specifically for sleep and night sweats be appropriate?
• What dose would we start with and how would we adjust it?
• How does this compare to other options for my situation?
Rose honest take
"Gabapentin is a reasonable option when HRT and SSRIs are not appropriate. But be honest with yourself about the side effects — drowsiness can significantly affect quality of life, which somewhat defeats the purpose of treating symptoms that are already disrupting it."