Urine Odor

Odor is not normally recorded in a urinalysis, but some characteristic odors may indicate certain conditions. A fresh urine specimen has a slight aroma. Alkaline fermentation causes an ammoniacal odor when standing in the open air.

Sometimes you may notice that the smell of your urine has changed. This is usually not a cause for concern. But sometimes a strange smell of urine can indicate a problem in the body.

Urine Odor

Why Does Urine Has Strange Odor?

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Dehydration causes your urine to be more concentrated which is also a contributing factor to a stronger smell of ammonia in your urine.

The odor of your urine may be changed by some foods, such as asparagus, and medications (B6 vitamins, ampicillin, amoxicillin, omnipen, ciprofloxacin, proloprim, trovan, etc.)

Changes in Urine Odor Due to Disease

Another cause for an ammonia-like odor in urine is bacterial infection (especially in women due to their anatomy), including kidney, urinary tract or urinary bladder infection. Frequent urination, burning sensation during urination are the most common symptoms of a urinary tract infection (UTI).

Fruity-smelling urine may be caused by prolonged fasting or diabetes. People with untreated diabetes have high blood sugar levels, which makes the urine smell sweet.

Urine Odor in Pregnancy

Women often complain of an ammoniacal odor in their urine in pregnancy. This can be a sign that you are not drinking enough water.

During pregnancy, the level of hCG hormone rises, which can lead to a stronger urine odor. This is especially true in the early pregnancy.

Urinalysis (UA) Interpretation