Urine usually has a distinct odor, but under normal circumstances, the odor is relatively mild and not too noticeable.
Certain conditions, however, may cause your urine to have an unusual or unpleasant odor, which may raise concerns about a problem or abnormality.
Causes
Urine consists mainly of water.
Urine that contains a lot of water and few waste products has little to no odor. If urine becomes highly concentrated — a high level of waste products with little water — your urine may have a strong ammonia odor.
Sometimes, unusual urine odor indicates a medical condition or disease, such as:
- Cystitis (bladder inflammation)
- Dehydration
- Diabetic ketoacidosis
- Abnormal connection between the intestines and bladder
- Maple syrup urine disease
- Metabolic disorder
- Type 2 diabetes
- Urinary tract infection
When to see a doctor
Most changes in urine odor are temporary and don't mean you have a serious illness, particularly if you have no other symptoms.
When an unusual urine odor is caused by an underlying medical condition, other symptoms are also present. If you're concerned about the odor of your urine, talk to your doctor.
Source:
https://www.mayoclinic.org/symptoms/urine-odor/basics/definition/sym-20050704
