r/MCAS•
Ill_Pudding8069

Something unexpectedly positive

Just wanted to share some positivity. It turns out that being on antihistamines, low histamine diet, DAO and supplementa (incl. copper) did not just keep symptoms like brain fog and skin rashes under control... it also fixed my bowel movements and periods. The latter is a bit oof because I used to have a 36-41 days cycle and now I have a 28 days exactly one, but according to my gyn that is apparently seen as more regular? I had constipation and long, heavy cycles my entire (well, for the latter not my "entire") life so this is a bit wild to realize. The change did not happen until I started with H2 blockers, which is wild to me.

I also get WAY less period pain. Way less.

Of course as a condition it still pisses me off. The hydiopathic nerve pain is hard to manage, and while I know how to play around with recipes at home, I usually cannot eat out (grocery store meals included) at all if I am in a pinch (one exception, but only one single store in my area has that, and only sometimes). But I wanted to take some time to celebrate the stuff that being on this regimen did seem to fix for me.

Hopefully the nerve pain is going to improve one day, too.

Posted Mar 14, 2026, 7:13 AM UTC

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