Thanks for your query.Based on the facts that you have posted it appears that you have some problems related to your redundant colon
along with Urine being frothy and bubbly.
Your urinary problem is not related to your colonic pathology.It could be simple UTI
Get your Routine Urine test and Urine culture done and take appropriate antibiotic for a week-as per culture report.
Ensure to drink plenty of water so as to pass 1500 ml of urine in 24 hours.
This should solve your problem.