Physiology of Salt Cravings
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Q:  Physiology of Salt Cravings

I have had severe salt cravings, (to the point I truly consider it an addiction) especially premenstrually (definitely more severe than carb cravings).  In the past I found that Wellbutrin knocked out these cravings.  I was surprised by this but not shocked because of it's use for nicotine cravings. 

I am currently on lamictal only and found that that when my depression is under control, so are my craving for salt. 

I was wondering if you know and could explain the physiology behind this. 

Is this more likely to be a completely idiosyncratic effect, or may this have broader implications?

Do you think any drug that is an effective antidepressant for me would do the same thing?

Ms C

Dear Ms. C' -- 
Although I'm filing this in my head as "interesting", to listen for it in the future, I'm afraid I have no idea at all as to how this might be explained physiologically (a rare admission, not even to venture a guess!). So I can't address your latter questions either. Sorry. Interesting. 

Dr. Phelps

Published December, 2006


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