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Urinary and Genital Disorders (Children)

Urine smelling like ammonia in babies



My 10 month old`s urine smells like ammonia for the last 2 days. What does this mean?


It may be that the urine is sitting in the diaper too long. Also, it is possible that there is a urinary tract infection, although usually babies are pretty sick with a UTI. The ammonia comes from nitrogenous wastes. I would take him or her to your pediatrician and ask them to obtain a urinalysis. Also, I would increase fluid intake of your baby.

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Response by:

Jack S Elder, MD, FACS, FAAP Jack S Elder, MD, FACS, FAAP
Clinical Professor of Urology
School of Medicine
Case Western Reserve University