A kidney infection is a painful and unpleasant illness usually caused by cystitis, a common infection of the bladder.
A kidney infection is a type of urinary tract infection that affects the kidneys.
The main symptoms of a kidney infection are pain in your back or side, feeling sick, shivering and a high temperature.
Kidney infections can be treated with antibiotics from a GP. They need to be treated quickly to reduce the risk of further problems.
Most kidney infections are caused by a bladder infection spreading to your kidneys.
Things you can do that may help prevent kidney infections include staying well hydrated and going for a pee after having sex.
Page last reviewed: 04/01/2018
Next review due: 04/01/2021