Hi Carmen,
I think it is best if you discuss these new symptoms with your gastroenterologist. Not knowing your full history or what medications you might be taking for the IBD, or any other illness, there's just no way we can give you an idea of what could be causing your discomfort.
Constipation is not typically associated with IBD. But, a medication you are taking could be the culprit. If you are taking steroids, weight gain is pretty typical with them, and swelling and bloating could be caused by any number of foods, medications, etc.
Since you have the UC history, it is times like this when you need to get back in touch with your gastro doc to discuss it all.
Best of luck to you,
Elizabeth
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