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8 possible reasons why there may be blood in your urine

Dr. O.



Finding blood in your urine can be a scary experience, it raises a lot of questions and anxiety about ones health and wellbeing and will probably result in sleepless nights for most people experiencing this condition.


Blood in the urine is medically known as hematuria, most times it is not due to any life-threatening conditions, however, sometimes it may be a sign of a serious medical condition. The major sign of blood in urine is usually red, pink or coke-coloured urine indicating the presence of red blood cells in the urine.




It is also possible sometimes, that blood in the urine may only be observed with the help of a microscope, this is medically known as microscopic hematuria.




Today, we will be looking at 8 Possible reasons why there may be blood in your urine. Hopefully, this will help to understand the condition better and allay an anxieties or fears you may be having about it.




Blood in the urine may be due to the following conditions:

1. Urinary tract infections: This is any infection affecting your urinary system (your urethra, bladder,ureter and kidneys), it is usually caused by bacteria which usually gain access to the body through the urethra and begin to travel upwards in the urinary system affecting other organs.


Male and female urinary tracts

Male and female urinary tracts


2. Kidney infections(Pyelonephritis): This can occur when bacteria enters the kidneys from the blood stream or spreads upwards from the other organs in the urinary system(ureters,bladder, urethra).




3. Kidney stones: usually caused by the formation of crystals from concentrated urine which eventually become hard stones and are usually painless till they begin to cause blockage in the ureters or urethra.




4. Prostate enlargement or Infections in the prostate gland(prostatitis): As men grow older, their prostate glands naturally begin to increase in size,usually due to changes in hormonal balance and growth of cells in the prostate gland, this condition is medically known as Benign Prostatic Hyperplasia (BPH); it is not cancerous but can cause blood in the urine. Infections in the Prostate gland, medically known as Prostatitis can also cause blood to appear in the urine.




5. Cancers: Blood in the urine may be a sign of advanced cancer in the kidneys, bladder or Prostate gland.




6. Use of certain medications: Taking drugs such as anti-coagulants .eg. Aspirin, certain anti-cancer medication and certain antibiotics .eg. Penicillin can cause blood in the urine.




7. Sickle cell disease: Individuals who have sickle cell disease may experience blood in their urine as a result of kidney damage or injury that may occur as a complication of sickle cell disease.



8. Strenuous exercises: Although this occurs very rarely, blood in the urine can be as a result of very strenuous exercise and can usually be seen in athletes. The relationship between strenuous exercise and blood in urine has not been fully established, but is thought to be due to dehydration, or continuous breakdown of red blood cells that occurs with continuous aerobic exercises.


It is important that if you find blood in your urine, you visit a standard hospital to have the necessary tests done for appropriate diagnosis and treatment.

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Dr.O is a graduate of the University of Szeged in Hungary who is on a mission to reduce the mortality rate in our society by creating awareness about preventable and non-preventable diseases and empowering people with the necessary knowledge and information they need to take charge of their health. was co-founded by her as a means to fulfilling this mission. She is an MDCN (Medical and Dental Council of Nigeria) and Hungarian Medical Chamber certified doctor. When she is not busy looking for ways to make a difference in her environment, you can find her trying out new recipes in the kitchen or touring the world.