This registry is a place to share positive or negative side effects of using Sulfamethoxazole. If you directly experienced a side effect while using Sulfamethoxazole, then we encourage you to enter it here. Please note that entries here are the experiences of individual users, and in no way means that you or anyone else will experience the same side effect, since the same medication affects people in different ways. Please always contact your physician.
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February 2th
2006
8:31 PM
I took this drug for UTI almost 10 years ago. A few days after I started taking it, I became extremely nauseaus, losing 10kg (about 22 Lb) in 1 week. I couldn't eat, lost all my energy. Even to this day, 9 1/2 years later, I still suffer side effects from this drug. I cannot absorb vitamin B12, which has also caused pernicious anaemia, and also have anaemia, irritable bowel syndrome, constant nausea, fatigue and am highly susceptible to stomach bugs and food poisonings.
-- By goddess77 | Reply | Private Message meBefore taking it, I was fine, perfectly healthy and never had any gastro problems.
But since taking trimeth, I have never been the same.