A 2.5 year old child with food retention usually does not urinate white foamy urine, and there is no direct correlation between food retention and urinating white foamy urine.
The fact is that the symptoms of the digestive system, such as bloating, nausea, vomiting, loss of appetite, diarrhea, etc., usually does not lead to abnormalities in the nature of the urine.
If a 2.5 year old child urinates white foamy urine, on the one hand, it may be related to urinary tract infection, the urine contains a large number of bacteria, proteins and other substances, which will lead to the appearance of white foamy urine.
On the other hand, it may be related to the physical tension of the urine, standing in a high place or urinate with a large impulse, can lead to the tension of the urine increased white foam, which is a normal physiological phenomenon.
It is recommended that 2.5 year old children urinate white foamy urine, it is best to go to the pediatrics department of the hospital to improve the urine routine, infection markers and other related examinations, in order to clarify the cause of the disease.