However, this isn’t the only warning sign of the “serious” side effect.
The expert said: “You should contact your GP as early as possible if you find yourself experiencing symptoms such as unusual fatigue or weakness, loss of appetite, pain in your upper abdomen, dark-coloured urine, or yellowing of your skin or eyes.
“They may suggest some routine blood and urine tests and will be able to advise on the best course of action.”
The good news is that your doctor should monitor your blood after you start a statin treatment to avoid any liver problems.