Is It Perimenopause or Histamine? An Honest Answer

You have seen the allergist, the gynecologist, maybe a cardiologist, and your labs keep coming back normal. Nobody connected your worst week to your cycle. Here is the honest version of the estrogen-histamine link: where the pattern is real, where the mechanism runs out, and the free four-week self-check that tells you more than a $300 lab ever will.