What is the best non hormonal treatment for hot flashes?

Short answer: the most effective non‑hormonal options are certain prescription medicines (paroxetine, SNRIs, gabapentin) plus cognitive behavioral therapy (CBT) and practical cooling/lifestyle measures. Which is “best” depends on your situation (other meds, sleep problems, cancer history).

Main options (brand names and why)

• Paroxetine 7.5 mg (Brisdelle) — the only nonhormonal drug specifically FDA‑approved for menopausal hot flashes (vasomotor symptoms). Works by reducing frequency/severity. Important: paroxetine strongly inhibits CYP2D6 and can block the effectiveness of tamoxifen, so avoid if you’re taking tamoxifen for breast cancer.

• Venlafaxine (Effexor) — an SNRI with good evidence for reducing hot flashes, often used when Brisdelle isn’t suitable. Less CYP2D6 inhibition than paroxetine, so commonly preferred for women on tamoxifen.

• Gabapentin (Neurontin) — effective, especially for bothersome nighttime hot flashes and sleep disturbance. Typical use is at bedtime or divided doses. Side effects include drowsiness and dizziness.

• Clonidine (Catapres) — a blood‑pressure medicine that can modestly reduce hot flashes for some people; useful if other options aren’t tolerated. Side effects include dry mouth and low blood pressure.

• Cognitive behavioral therapy (CBT) for menopausal symptoms — multiple randomized trials show CBT reduces how bothered women feel by hot flashes and improves sleep/quality of life even if frequency doesn’t fall much. Look for a CBT therapist experienced in menopause or online CBT programs for menopause (search via the North American Menopause Society or local women’s health clinics).

Other approaches

• Lifestyle and practical measures — cooling (portable fans, layered clothing, cool showers), avoiding triggers (hot drinks, spicy food, alcohol, caffeine), paced breathing and relaxation techniques. Often helpful immediately and with no side effects.

• Mindfulness/MBSR and acupuncture — some women get benefit; evidence is mixed but they’re reasonable low‑risk options to try.

• Stellate ganglion block — an interventional procedure some centers offer for severe, treatment‑resistant hot flashes; evidence is still emerging and it carries procedural risks.

Safety notes

• If you’re taking tamoxifen for breast cancer, avoid paroxetine/strong CYP2D6 inhibitors; venlafaxine or gabapentin are usually safer choices.
• All these medications have side effects and interactions — discuss with your clinician before starting.

If you want, tell me: (1) whether you’re on tamoxifen or other meds, (2) if hot flashes are mainly daytime or nighttime, and (3) whether you prefer medication vs non‑drug approaches — I can suggest a targeted option and dose range to discuss with your provider.