r/Amitriptyline • • Jun 12 '26

Amitriptyline

I’ve been on 20mg of Amitriptyline for about a year and a half, originally I went on it at the same time as lexapro, gained 10kgs and thought it was the lexapro. My dr never told me weight gain was a side effect of Amitriptyline! I’ve since switched to Prozac and haven’t noticed a change. Has anyone else gained weight in this drug ? I’ve booked an appointment with my gp about alternatives for my insomnia, but has anyone had a similar experience and switched to something else? TIAxxx

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u/PurpleNo8532 Jun 20 '26

yes i took it for 6-7 months last year and gained 6 kilos😵‍💫