Sorry good point. I was thinking about over the counter. My fault

600mg four times a day is inline with the BNF daily limit of 2.4g: http://www.evidence.nhs.uk/formulary/bnf/current/10-musculos...

Seriously the BNF is a brilliant resource, it has this to say about celecoxib: http://www.evidence.nhs.uk/formulary/bnf/current/10-musculos...