Not Medical Advice: What we only found is that foul smelling urine could indicate a Urinary tract infection . Mostly, it is a symptom of lower UTIs (infections of the urethra and bladder).
Consumption of certain foods, such as asparagus (which can impart a characteristic odor to urine), and taking some medications may also be the cause for changes in the odor of urine.
Only a sample and culture would confirm that. Also scans of the abdomen. It is advisable to seek medical help, as you might need a lot of prescriptions like antibiotics after test results come in.
Most people take bladder control for granted. But for about a third of people ages 30 to 70, incontinence is a big issue. Check out some tips on how to keep your bladder healthy and minimize trouble if you do have incontinence at Health.com.