I thought it was common knowledge that a lot of analgesics contain caffeine? It's the because it can increase absorption / efficacy, and is a pretty effective analgesic itself.
I thought it was common knowledge that a lot of analgesics contain caffeine? It's the because it can increase absorption / efficacy, and is a pretty effective analgesic itself.
But don't take Panadol just before going to bed. They contain fucktons of caffeine. Don't ask how I know this.