Anyone explain to me how it is possible to determine whether dihydrocodeine is a pom, cd pom or cd inv pom. I was always under that tablets were always cd pom and injection/ampoules were cd inv pom but I have been told this is not the case. I read up the mep classification and remain even more confused.


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. I know the wording in the MEP can get a bit confusing, which is why you should read it again. Basically all it says is if it's for non-parenteral use and in undivided preparations with max strength 2.5% then it's a CD Inv Pom, i.e schedule 5. If the preparation doesn't fit those categories it's a CD POM, i.e schedule 2. For example if you look in the BNF, it says dihydrocodeine tartrate 30 mg tablets are POM (i.e sched 5), whereas dihydrocodeine tartrate 50 mg/mL injection is CD (i.e sched 2).

