When pain strikes, you might be tempted to head to your local pharmacy or the nearest supermarket and grab a packet of pain relief to target the specific area that hurts.
But according to an NHS surgical doctor, this could be a waste of your money.
Dr Karan Rajan or Dr Karan Raj as he is more commonly known on TikTok has explained why he thinks pain killers for specific body parts like the head, back or targeting period pain are actually a "scam".
