What does a negative protein in routine urine test mean?

Apr 24, 2023 Source: Cainiu Health

Dr. Zhao Xinju

Introduction

A urine routine test showing protein ± (trace) usually indicates the presence of protein in the urine. It is advisable to visit a hospital for further examination and receive appropriate treatment based on the underlying cause. Urine routine testing is a common diagnostic method, allowing assessment of the amount of protein in the urine. In addition, during treatment for proteinuria, drinking an adequate amount of water can help accelerate metabolism and support symptom relief.

Protein ± in a routine urine test usually indicates the presence of protein in the urine. It is advisable to visit a hospital for further examination and receive appropriate treatment based on the underlying cause. The specific analysis is as follows:

Routine urinalysis is a common diagnostic method. By observing the amount of protein in the urine, it can help detect whether there are kidney or urinary system disorders. When protein ± appears in the routine urinalysis, it generally means that protein is already present in the urine, commonly referred to as proteinuria.

Proteinuria may typically be classified as resulting from physiological or pathological causes. Physiological proteinuria may occur due to intense physical exercise, which temporarily reduces the filtration function of the kidneys, allowing protein to leak into the urine. This type usually does not require treatment and does not affect health. Pathological proteinuria may be associated with conditions such as nephritis or urinary stones, which impair kidney filtration and lead to protein leakage. In mild cases, medication under a doctor's guidance may be prescribed, such as azathioprine tablets, furosemide tablets, or amoxicillin-clavulanate potassium tablets.

In addition, during treatment for proteinuria, drinking an adequate amount of water can help accelerate metabolism and support recovery.

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