Ozzy Osbourne has urged his son Jack to seek a second opinion following his multiple sclerosis diagnosis, because doctors mistakenly thought the rocker also had the condition.
The new dad consulted doctors earlier this year after he began experiencing blurred eyesight and headaches, and he was told last month that he has the autoimmune disease.
But his rock star father is keen for Jack to undergo further tests to confirm he really does have the condition.
Ozzy tells Britain's Hello! magazine, "I want Jack to go for a second opinion as I was misdiagnosed with MS a few years ago. It took them six months to work out that I have a rare hereditary tremor, called Parkin Syndrome."
Jack reveals his uncle also suffers with multiple sclerosis, and his mother Sharon feels guilty about the family connection.
He says, "Mum took it really quite hard. My uncle on her side has MS and, the way my mum is, she thinks that somehow it's her fault. Both my parents were handling it way worse than I was. They were pretty shaken up about the whole thing."
Ozzy adds, "I feel very bad for Sharon, as I can't be there to support her when I'm on tour."