As it's not a performance enhancer, it is at the lower end of the spectrum. These are banned on match day to stop player playing injured, so they don't make it worse. Media keep going on worst case, he shouldn't get two.Not sure what difference it makes. None of them are performance enhancing.
Whether it's Codeine, or a painkiller with a worse reputation in the media is pretty irrelevant. It's still just a painkiller.
The war on drugs has a lot to answer for when someone with a genuine medical issue can't take certain treatments because of negative associations with recreational drug use.