The blood presence in the urine or hematuria is the appearance of red color for the presence red blood corpuscles (red globules) in the urine.

The blood presence in the urine can be caused it is caused by problems in the kidney or by illnesses of the urinary tract (uréteres, urinal bladder, urethra). Sometimes the cause is for contamination of other routes as it can be bled menstrual in the women or for problems of prostate in the man. In the children the blood can appear by general problems like an alteration of the coagulation, hemophilia, trombopenias or malformations of the urinal route. In these cases it is necessary to realize a wide study of the possible causes.

One of the most frequent causes of the blood presence in the urine is the urinal infection or cystitis, which in the women is very frequent especially in the pregnancy.
In these cases the blood presence in the urine is accompanied of pain and intense heat or burning sensation on having urinated, in addition to the sensation of wanting to urinate constantly.

In the urinal infections of the sometimes alone child the fever as the only symptom appears.
The urine can be dyed of red color by the capture of certain medicines (the fenolftaleína - present in many purgatives-) or food (beet) and colourings of caramels and sweets for what it is necessary to bear it in mind.

More frequent causes of the blood presence in the urine:

• Renal Litiasis
• Stones in the urinal bladder
• Benign familiar Hematuria
• Chronic urinal infection
• Cystitis
• Coagulopatías
• Illness of the cell of Sickle
• Estenosis uretral
• Glomerulonefritis
• Hipercalciuria
• Hiperparatiroidismo
• Hipotiroidismo
• Hiperpercalcemia
• Arterial hypertension
• Systemic Lupus eritematoso
• Medicines (diuretics)
• Congenital renal malformations
• Renal cancer Metástasis
• Nefropatia IgA
• Pielonefritis
• Renal Poliquistosis
• Prostatitis
• Purple of Schonlein-Henoch
• Sarcoidosis
• Syndrome urémico for hemólisis
• Trombocitopenias
• Thrombosis of the renal vein
• Renal tumors
• Uretritis
• You ulcerate uretrales
• For traumatism:
  • Break of the pelvis
  • Renal traumatism
  • Traumatism uretral
  • Renal surgery, or of urinary tract
• For medicines:
  • Anticoagulants
  • Ciclofosfamida
  • Metirosina
  • Oxifenbutazona
  • Fenilbutazona
  • Tiabendazol

The first thing that must be done is to increase the ingestion of liquids of all kinds water, milk juices etc...

To discard for himself if there is a domestic cause, food, medicines or sweets as innocent cause.

If there is no concrete cause it is necessary to come to the doctor to realize a diagnostic study and to adapt the treatment to the causes.

His doctor after gathering a record of the process and a suitable exploration can realize the following studies:

• Routine biochemistry analysis
• Normal analysis of urine and cultivation of urine
• I study in urine of 24 hours of creatinina, proteins, calcium, etc...
• Study of coagulation of the blood
• Rheumatic tests and Antinuclear Antibodies
• Citoscopia
• Kidney x-rays
• Abdominal ultrasound scan
• Abdomen TAC
• Urografía endovenosa with contrast