This is an automatically translated article.
The article was professionally consulted by Associate Professor, Doctor, Doctor Le Ngoc Hung - Head of Laboratory Department - Microbiologist - Laboratory Department - Vinmec Central Park International General Hospital.Urine is a sterile liquid made by the kidneys and passed out of the body through the urethra. Urine has many components such as water, salts and solutes from metabolism.
A urine test will have a pH value that is an indicator of the balance of compounds in the urine that affect the level of acidity. Urine pH is a test that analyzes the acidity or alkalinity of urine.
1. What is the normal pH of urine?
The pH will evaluate the acidity of urine through the concentration of free H + ions in the urine, normal urine pH is about 6.0 but can still fluctuate between 4.5-8.0 with normal conditions. normal health. If the index falls below 5.0, the urine is acidified and if it is higher than 8.0, the urine is alkaline.2. The significance of urine pH values outside the normal range
Kidney stones are small masses of minerals that can build up in the kidneys, causing pain when they prevent urine from reaching the ureters. Kidney stones tend to form easily when the urine is too acidic or too alkaline. Your doctor will test your urine pH to see if you are at risk for kidney stones.
Chỉ số pH nước tiểu giúp chẩn đoán một số bệnh lý bất thường
Acidic foods: Wheat, fish, soda, protein foods or sugary foods.
Alkaline foods: Dried nuts, vegetables and most fruits.
In addition, abnormal urine pH is also the result of a number of diseases. If the urine pH is higher than 8.0, the patient may be suffering from some diseases such as:
Kidney stones Urinary tract infection Renal dysfunction such as: renal tubular acidosis, chronic renal failure Metabolic alkalosis due to vomiting Respiratory alkalosis hyperventilation, abnormally rapid breathing rate Gastric lavage pyloric obstruction Profuse vomiting If urine pH is less than 5.0 then more acidic urine usually indicates the following conditions:
Metabolic acidosis (acidosis) ) Diabetic ketoacidosis Severe diarrhea or malnutrition Dehydration Not due to disease but a side effect of certain medications.
3. How to collect urine and factors affecting urine pH test
To collect urine properly, do the following:
Before taking a urine sample, clean the genital area After that, urinate normally and use a sterile container to collect urine Urine must be collected between stream, that is, do not collect at the beginning of urination and at the end, the amount of urine needs to be from 30-60ml to be eligible for a pH test.
Người bệnh lấy nước tiểu theo hướng dẫn của nhân viên y tế
Factors that affect test results:
Urine samples left for a long time before being tested can cause bacteria to increase the breakdown of urea to form NH3, which causes urine alkalinization (increases pH) Ammonium chloride salts cause acidity. Sodium bicarbonate, potassium citrate, and acetazolamide cause alkalinization of the urine (increasing the pH). Some medications can change the pH of the urine. Your doctor will advise you to stop before testing the urine pH. Urine is alkaline after eating due to the secretion of stomach acid. Vinmec International General Hospital is one of the hospitals that not only ensures professional quality with a team of leading doctors, modern equipment and technology, but also stands out for its examination and consulting services. and comprehensive, professional medical treatment; civilized, polite, safe and sterile medical examination and treatment space. Customers when choosing to perform tests here can be completely assured of the accuracy of test results.
Customers can directly go to Vinmec Health system nationwide to visit or contact the hotline HERE for support.
MORE:
pH in urine test What is the volume of urine? Meaning of each parameter in urine test Meaning of blood and urine test in general health checkup package Early detection of kidney failure by urinalysis - first application in Vietnam
