Blood in urine

Maxwell Adeyemi

HEMATURIA, otherwise known as blood in urine, can be scary. In many cases the cause is harmless. But blood in urine also can be a sign of a serious illness.

If you can see the blood with your naked eyes, it's called gross hematuria. Blood that can't be seen with the naked eye is called microscopic hematuria. It's such a small amount that it can be seen only under a microscope when a lab tests the urine. Either way, it's important to figure out the reason for the bleeding.

Symptoms

Blood in the urine can look pink, red or cola-coloured. Red blood cells cause the urine to change colour. It takes only a small amount of blood to turn urine red.

The bleeding often isn't painful, but if blood clots get passed in the urine, it can become painful.

Red urine isn't always caused by red blood cells. Some medicines can cause urine to turn red, such as a medicine that eases urinary tract symptoms. Certain foods can also turn urine red, including beets.

It can be hard to tell whether a change of urine colour is caused by blood. That's why it's always best to get a check-up.

This condition happens when the kidneys or other parts of the urinary tract let blood cells leak into urine. Different problems can cause this leaking to happen, including:

Urinary tract infections. These happen when bacteria get into the tube through which urine leaves the body, called the urethra. Then the bacteria multiply in the bladder. That can cause bleeding that makes urine look red, pink or brown. It may also cause a strong urge to pee that lasts a long time, pain and burning while peeing.

Kidney infection. This type of UTI is also called pyelonephritis. Kidney infections can happen when bacteria enter the kidneys from the bloodstream. Infections can also happen when bacteria move to the kidneys from a pair of tubes that connect the kidneys with the bladder, called the ureters.

Kidney infections can cause the same urine-related symptoms that other UTIs can. But they are more likely to cause a fever and pain in the back, side or groin.

A bladder or kidney stone. The minerals in urine can form crystals on the walls of the kidneys or bladder. Over time, the crystals can become small, hard stones.

The stones are often painless. But they can hurt a lot if they cause a blockage or leave the body through urine. Bladder or kidney stones can cause blood in urine that can be seen with the naked eye as well as bleeding that can be seen only in the lab.

Enlarged prostate. The prostate gland is just below the bladder and it surrounds the top part of the urethra. It often gets bigger toward middle age. It then puts pressure on the urethra, partly blocking the flow of urine. With an enlarged prostate, you might have trouble passing urine, or blood in the urine. Infection of the prostate, called prostatitis, can cause the same symptoms.

Kidney disease. Blood in urine that can be seen only in the lab is a common symptom of a kidney disease called glomerulonephritis. With this disease, the tiny filters in the kidneys that remove waste from blood become inflamed.

Glomerulonephritis may be part of a condition that affects the whole body, such as diabetes. Or it can happen on its own.

Cancer. Blood in urine that can be seen with the naked eye may be a sign of advanced kidney, bladder or prostate cancer. These cancers might not cause symptoms sooner, when treatments could work better.

Inherited illnesses. A genetic condition that affects red blood cells, called sickle cell anaemia, can cause blood in urine. The blood cells could be visible or too tiny to see. A condition that damages tiny blood vessels in the kidneys, called Alport syndrome, also can cause blood in the urine.

Kidney injury. A blow or other injury to the kidneys from an accident or contact sports can cause blood to show up in urine.

Medicines. The anti-cancer drug cyclophosphamide (Cytoxan) and the antibiotic penicillin are linked to blood in urine. Medicines that prevent blood clots also are tied to blood in urine. These include medicines that keep blood cells called platelets from sticking together, such as the pain reliever aspirin, blood thinners like heparin, warfarin and Xarelto.

Hard exercise. Blood in the urine can happen after playing contact sports, such as football. It may be linked to bladder damage caused by getting hit. Blood in urine also can happen with long-distance sports, such as marathon running, but it's less clear why.

Risk factors

Almost anyone can have red blood cells in the urine. This includes children and teens. Some things that can raise the risk of blood in the urine include:

Age. Middle-aged and older men may be more likely to have hematuria due to an enlarged prostate gland. The risk of some cancers that can cause blood in urine also may rise after the age of 50.

Urinary tract infection. This is one of the top causes of blood that can be seen in children's urine.

Family history. The chances of having blood in the urine may go up if one or more family members have had kidney disease.

Certain medicines. Some pain relievers, blood thinners and antibiotics can raise the risk of blood in urine.

Hard exercise. Marathon runners hematuria is one nickname for hematuria. Contact sports can raise the risk too.

These tests and exams play a key role in finding a cause for blood in the urine:

Physical exam. This includes a talk with a healthcare provider about your health history.

Urine tests. These can be used to diagnose blood in the urine. They also can be used weeks or months later to see if the urine still has blood in it. Urine tests also can check for a urinary tract infection or for minerals that cause kidney stones.

Imaging tests. An imaging test is often needed to find the cause of blood in the urine. You might need a CT or MRI scan, or an ultrasound exam.

Cystoscopy. A healthcare provider threads a narrow tube fitted with a tiny camera into your bladder to check for signs of disease.

Sometimes the cause of blood in the urine can't be found. In that case, you might need regular follow-up tests, mainly if you have risk factors for bladder cancer. These risk factors include smoking, radiation therapy to the pelvis or exposure to certain chemicals.

Treatment

The treatment for blood in the urine depends on the cause. Treatment might involve:

* Taking antibiotic medicines to clear a urinary tract infection.

* Trying a prescription medicine to shrink an enlarged prostate.

* Having a treatment that uses sound waves to break up bladder or kidney stones.

It's wise to get it checked once you notice the symptoms.

Contact Dr Maxwell on 3631807. Or 7575411