5mg percs are basically like extra strength aspirin, they're not strong at all, even a lightweight would have to normally take 15-20mg to get any kind of opiate high.
Ive had a pretty nasty toothache for while now, in both my lower molars the nerves are exposed...I just drop a load of codeine when it gets bad and after half an hour its grand..although I do mean quite a bit of codeine
Its 5 mg. Its the lowest dosage available. Like madcapsyd said, they are pretty much extra strength aspirin.