I do hope you will contact your pdoc to see about a med adjustment before things get any worse. I don't know of any other ways to combat paranoia...maybe someone else will have some ideas. Hang in there!!
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From the movie The Hours: "If I were thinking clearly, Leonard, I would tell you that I wrestle alone in the dark, in the deep dark, and that only I can know. Only I can understand my condition. You live with the threat, you tell me you live with the threat of my extinction. Leonard, I live with it too."