Just wondering what you think the likelihood is that I've had a C. Diff. infection this whole time and not known it. Here is my history:Never had a problem with D until I was prescribed antibiotics for adult onset acne. I was on antibiotics for a total of 8 years (tetracycline 1 year, erythromycin 6 years, minocycline 1 year). The last year of the erythromycin, I developed moderate D. My doctor switched me to minocycline and my symptoms seemed to lessen a little bit, but not completely go away. Then I tried taking Probiotica, and I felt 100% better! I thought I was cured! Unfortunately, the relief only lasted about a month, and then the D came back. I tried calcium as well, but it didn't really work consistently. I've identified obvious triggers (coffee being my worst), but many times there doesn't seem to be a logical link between my diet and my symptoms.Not sure if this is worth mentioning, but last summer I developed a sinus infection and was treated with the antibiotic Levaquin. Interestingly, my D completely stopped for the 10 days I was on it, and for a couple days afterward. But sure enough, it eventually came back.A couple months ago, I finally went to the doctor about this and he told me to stop taking the minocycline which I did gladly. (As an aside, if anyone suffers from acne, Neutrogena Healthy Skin Face Lotion has cleared my skin way more than the antibiotics ever did.) He said he didn't see the need to run any tests on me because I haven't lost any weight lately. Instead, he told me to eat more fiber, which I've tried with minimal success. Told me to eat more yogurt, which I tried with minimal success. He then suggested that my D is anxiety related and prescribed Remeron. It worked great for the last couple months, but now it's also starting to not work anymore. So this is where I am right now. Every time I eat, I either get D or else very queasy. I do not have pain, however. The only thing I know works pretty consistently for me is Immodium. I need to go back to the doctor because I want to get off the Remeron since it's not working anymore. So should I suggest getting tested for C Diff?