FoulSmelling Urine but No Pain Causes Symptoms TreatmentAsparagus Officinalis may cause a unique scent inside your urine. It is widely known that consuming this green vegetable can lead to a pungent fragrance while visiting the restroom. If you notice an offensive smell following a delicious dish comprising asparagus, there's no need to worry. It is simply a normal response that occurs physiologically. Feel confident that the scent poses no harm and will fade eventually.