Blood in the urine: all possible causes

When you are faced with blood in the urine (hematuria) the instinct immediately makes you alarm and you immediately think of something serious. Fortunately, this is not always the case and in some cases it is a symptom due to minor pathologies. So let's find out all the possible causes of the presence of blood in the urine.

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When faced with del blood in the urine (haematuria) instinct immediately causes alarm and one immediately thinks of something serious. Fortunately, this is not always the case and in some cases it is a symptom due to minor pathologies. Let's find out then all possible causes the presence of blood in the urine.

What is known in medical terms as hematuria it can come in forms different that is, it can be consistent to the point of changing the color of the urine making it homogeneously reddish, or it can be scarce but visible to the naked eye or even highlight only with a microscope examination.

It should also be kept in mind that urine can take on a color that tends to red even if you have made a excessive consumption of foods such as beets and blueberries (in this case it is obvious that the blood has nothing to do with it). Then there is a non-pathological cause of the presence of blood in the urine, it is the female menstrual cycle.


The causes of traces of blood in the urine are really many and they must always be evaluated with the help of a doctor. The bleeding can occur sporadically or become a recurring phenomenon, moreover the causes can be different depending on the sex of the person. In men over 40 years of age there is often a problem of Benign prostatic hyperplasia while in women it frequently comes to infections.


Other very common causes are i bladder or kidney stones, urinary tract obstructions, kidney trauma or tumors. Blood is then found in the urine in case of cystitis or some sexually transmitted diseases, especially in women.

Trying to understand the cause that is causing the blood loss in the urine is very important see the amount of blood that is found, this in itself is an indicator of the place where the problem has arisen which may be at a specific level of the urinary system: pelvic, bladder, prostatic, renal.

Another fundamental thing to take into consideration and report to the doctor (if possible) is the stage of urination where blood is leaking. The bleeding can in fact appear in the initial phase (in this case it is a problem with the prostate or urethra), in the terminal one (to be evaluated bladder and prostate) or be present throughout the urination (in this case to be taken in consideration beyond the bladder and ureter there are the kidneys).

Another thing to consider is the presence or absence of other symptoms at the same time, these can help a lot and speed up the doctor's diagnosis. For example, they may appear:

Difficulty urinating

Incomplete emptying

Frequent urination

Pain during urination

• Abdominal or flank pains

• Difficulty holding back urination


To recap you can find traces of blood in the urine in case of:

• Cystitis


• Cyst

• Kidney or bladder stones

• Kidney disease



• Neoplasms


In very rare cases the presence of urine in the blood is due to diseases such as:

• Systemic Lupus Eritematosus

• Sickle cell anemia

• Sindrome di von Hippel-Landau


As you will have understood, the blood in the urine can be a symptom of something more or less serious that is happening inside the body. The situation is by no means to be underestimated and must be dealt with promptly with thehelp from a doctor.


To understand the cause, the doctor will carry out a series of investigations not only on the urinary tract but also on the pelvis, abdomen and genitals. Fundamental is obviously theurinalysis andurine culture useful in finding the presence of any infections. Other investigations that can be done, to be evaluated case by case, are cystoscopy, urography, some ultrasounds or CT scans.

Treatment and therapy, obviously, vary by cause which resulted in blood in the urine.

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