what is leukocyte esterase

Leukocyte esterase is an enzyme that signals the presence of white blood cells in your urine. White blood cells are your immune system’s response to fight off infections, so when they’re detected in the urine, it usually indicates some form of infection or inflammation in the urinary tract, like a urinary tract infection (UTI). The urine dipstick test your doctor used is a quick way to estimate the number of white blood cells by detecting leukocyte esterase activity. It’s often used alongside other indicators, like nitrites, to confirm a bacterial infection. High levels of leukocyte esterase, which you mentioned, typically suggest that the infection might be significant or severe. It’s not uncommon to see symptoms like frequent urination, burning, or pain in the lower back when infections reach this level—you should still be closely monitored by your healthcare provider.

Diet by itself won’t directly affect leukocyte esterase levels, but staying hydrated and maintaining a balanced diet can support your body’s immune response. Ensuring you complete the course of any antibiotics prescribed is essential in treating and clearing the infection. If you’re getting recurrent infections, it might be worthwhile to discuss preventive measures with your healthcare professional to identify any underlying issues. Keep an eye on any worsening symptoms like high fever, severe back pain, or if you notice blood in your urine, since these could indicate serious complications requiring rapid intervention. Freeing yourself from a UTI fully often involves both targeted treatments and broader lifestyle adjustments to keep your urinary tract healthy in the future.