For over a year my urine has smelled of sulphur?

I’m 44 for over a year my urine has smelled of sulfur i keep getting macrobid 100mg it never stops this smell ive positive results for e coli in bladder but sometimes urine tests test negative even though symptoms are still there my lower back bottom of spine kills i feel beyond exhausted i keep getting confused can hardly eat the same smell seems to be in nose all of the time I’ve been tested for kidney function this time came back fine this just isn’t goin away ive even excepted i wont have another partner my children have even said my sweat smells bad if they lie on my bed or anything i seem to be consumed in this smell

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