What causes blood in urine
Recently, blood in the urine (hematuria) has become one of the hot topics in the health field, with many netizens discussing related symptoms and possible causes on social platforms and medical forums. This article will combine the hot content of the entire Internet in the past 10 days to provide you with a detailed analysis of the common causes, accompanying symptoms and countermeasures of hematuria, and provide structured data for convenient reference.
1. Common causes of hematuria
Hematuria can be divided into visibleGross hematuriaand can only be found under a microscopeMicroscopic hematuria. According to recent discussions and medical information across the Internet, the main reasons are as follows:
| Classification | specific reasons | Proportion (reference) |
|---|---|---|
| urinary system problems | Urinary tract infection (such as cystitis, pyelonephritis) | 35%-40% |
| Kidney or ureteral stones | 25%-30% | |
| Nephritis (such as IgA nephropathy) | 10%-15% | |
| Tumor related | bladder or kidney cancer | 5%-8% |
| Prostatic hyperplasia or cancer | 3%-5% | |
| Others | Strenuous exercise, drug side effects, coagulation disorders | 5%-10% |
2. Accompanying symptoms that are hotly discussed on the Internet
According to recent user feedback on social platforms (such as Weibo and Xiaohongshu), hematuria is often accompanied by the following symptoms:
| Symptoms | May be associated with diseases | Netizen attention index (★number) |
|---|---|---|
| Pain/burning sensation while urinating | urinary tract infection | ★★★★★ |
| lumbar cramps | kidney stones | ★★★★ |
| Frequency and urgency of urination | Cystitis/Prostate Problems | ★★★ |
| Fever or fatigue | systemic infection or nephritis | ★★ |
3. Recent hot cases and expert suggestions
1.Hematuria after exercise in young people: A fitness blogger shared his experience of "soy pee after high-intensity training" and caused heated discussion. Experts point out that strenuous exercise may cause red blood cells to rupture (exercise hematuria), which is usually relieved by resting for 48 hours.
2.Urinary tract infections are more common in women: Xiaohongshu’s topic “Self-help with blood in urine” has been read more than 2 million times in the past week. Gynecologists remind that women are more susceptible to infection due to their physiological structure and need to avoid holding in their urine and get timely treatment.
3.Cancer warning signs: A Douyin medical account's video "Painless hematuria may be cancer" received more than 500,000 likes. Data show that for people over 40 years old who have sudden painless hematuria, tumors should be ruled out first.
4. Medical examination and daily prevention
| Check items | Applicable situations | Average cost (RMB) |
|---|---|---|
| Urine routine + sediment | initial screening | 30-50 yuan |
| Urology B-ultrasound | Stones/structural abnormalities | 150-300 yuan |
| CT urography | Tumor or complex stones | 800-1200 yuan |
Precautions:
• Drink more than 2000ml of water every day to avoid concentrating urine
• Women wipe from front to back after defecation
• Avoid long-term use of kidney-damaging drugs (such as NSAIDs)
• It is recommended for those over 45 years old to have a urinary system physical examination every year
5. Summary
Blood in the urine can be a minor problem or it can be a sign of a serious illness. Based on the recent hot topics of discussion across the Internet, it is recommended that:Sudden hematuria accompanied by pain should seek medical attention immediately; asymptomatic hematuria should be checked within 3 days; brief hematuria after exercise can be observed for 24 hours. Only timely diagnosis can provide effective treatment. Do not blindly refer to online remedies.
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