Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Your urinary system removes waste from your blood in the form of urine. It also helps regulate your blood volume and pressure, and controls the level of chemicals and salts in your body's cells and blood. Learn more here.
Urine tests can be used to diagnose conditions, such as pregnancy, infections, diseases such as diabetes or STIs and monitor drug use.
Blood in urine
Blood in the urine, also called haematuria, can be detected easily and there are many causes. Learn more from our trusted partners content.
When you have urinary retention, it feels as though your bladder is full but you are unable to pass urine. If this condition come on suddenly, it is recommended you seek urgent medical attention. Learn more about urinary retention here.
Your ureters (the tubes that drain urine from the kidneys to the bladder) can become blocked. A nephrostomy is a procedure to drain urine from your kidney using a catheter (tube).
Bedwetting in older children
Bedwetting in older children can happen if the child does not wake when they need to urinate. But there are several things you can do.
Human chorionic gonadotropin (hCG) is a hormone that can be detected in your urine and blood when you're pregnant.
The bladder works with the kidneys to rid the body of waste products from the blood through urine. Learn more about its function and tips for a healthy bladder.
Most people only need catheters temporarily, although some people need to use them on permanent basis. Catheter problems can include leaking, blockages and the catheter tube falling out. Learn more about catheter problems here.
The urinary tract
The urinary tract can become infected, usually by bacteria entering the urethra. Learn more about the symptoms of an infection and get self care tips here.