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Dose the amount off mirtazapine you take affect how much weight you gain? I thought I would start a new thread for people wanting answers to a question that so many ask, so that it could perhaps serve as a reference for people searching for an answer to this question when using search engines such as google. I want to invite as many people as possible to add their experiences regarding mirtazapine and possible dose related weight issues.
So my answer to this question is 'yes, to an extent.' I was on 15mg for a month and it was then increased to 30mg for four years. In that period I gained a total of two stone. Most of that happened shortly after increasing to 30mg, although I gained around 6 pounds in the first month whilst I was on 15mg.
I did manage to shift 1.5 stone of it whilst I was on 30mg though, but it was VERY hard. I worked out daily on the cross trainer, and cared for several horses, and walked dogs etc. I calculated that my body only needed 1800 calories a day to do all this. Any more, and I gained weight. And for a 5'10" woman, that is very little indeed. I reckon that mirtazapine influenced my body so that I needed around 500 calories LESS than I previously needed to maintain weight.
So what happened when I reduced my dose? Well nothing noticable until I was under 15mg. When on 11.25mg I noticed that it was much easier to resist previously tempting treats. I also noticed that I could up my calorie intake by around 200 calories a day, and also not work out every single day, yet still stay the same weight. I am now on 7.5 mg and will have to see if there is further improvement.
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