Pages

Wednesday 23 January 2013

Let's try and do question 1a)

It's been awhile, but it's not that easy thinking of 'tips' to blog about under this kind of topic. So why don't we try and go through question number 1a) of the exam paper I posted back in July 2012? It feels like ages ago, but it was only last year.

I'm pretty rusty as I'm not currently in community or hospital, but here goes.

The question goes: (abbreviated version) what is the scheduling for the following drugs? In the UK this would be the equivalent of P meds for pharmacy meds, POM for prescription only, CD for controlled drug, etc.

So the first one is:

a) a cream containing terbinafine 1%. OK, let me think, this is an antifungal, probably for something like athlete's foot. In the UK they sell similar stuff which are either P meds, or I think you can buy something like that from supermarkets. I am guessing it's either the equivalent of a P or a POM med here, which would something like a P1 or S3 med - P1: needs to be sold in a pharmacy under the supervision of a pharmacist, but otherwise no biggie, S3: prescription only. So I'll have to look it up. And the quickest way to do that right now is to look it up on MIMS.com . So you type in 'terbinafine' in the search box, and then it gives you a list of options. You need to chose the branded proprietary option in order for this to work, which in this case is Lamisil. It helps when they use the same brands over here. And also, as the question is asking specifically about the cream, I choose the Lamisil cream option.
Scroll down and voila, under 'Poison Schedule', it says P2. Which means it doesn't even need to be sold in a pharmacy, but it stops short of being a non-poison (NP).

Another way of looking it up is using this list of all the different generic drugs licensed in HK with all their scheduling. It's a little confusing at first, but basically the first section is a list of all the pharmacist/prescription only meds, and is titled 'Part I' - P1/S1/S3. P1 means pharmacist only, S1 means the pharmacist needs to make a record of the sale, and S3 means prescription only. Some drugs are both P1 and S1, probably non-Rx drugs which are potentially abusable.
So what you do is try and look for terbinafine under Part I (assuming you have absolutely no idea), and it's there on page 37. And there it says terbinafine, P1, S1 and S3. Basically this means that it is a prescription only drug - but then it actually says - 'unless it is an external prep'. This means that terbinafine cream (without a strength specification as well) is not a P1 drug. So now what's left to determine is whether terb cream is a P2 drug, or a non-poison. At a guess it is more likely to be a P2 than a NP, but you can double check using the same list again, you just need to go further down where it then gives you a list of P2 drugs, and it is there, on pg 44. Ergo, terbinafine cream is a P2 med, can be sold in a pharmacy or a 'listed seller of poisons' (I don't know if supermarkets are allowed to have LSP status), and doesn't need a pharmacist hovering over your shoulder when you hand over your cash.

And there you have it, phew! I definitely won't be able to do any more examples tonight, but I hope this one helps. Ciao

5 comments:

  1. Hi Lan, just wanted to say a big THANK YOU for creating this blog it has been very interesting to hear about your horrible experience with the hospital pharmacy and your explanation about the guide to class entries document was very enlightening - can you believe I had downloaded this already but had no idea how to use it till after reading your message lol. Thank again for your goodwill. Being from UK myself I am afraid that Hong Kong may be a somewhat hostile working environment in comparison but hey I gotta pass the exam first :)

    ReplyDelete
  2. After looking up all the poison classifications for drugs they've asked in the first question of the past papers there's a select few that I can't seem to find the answer for even after using mims, the guide to class entries, the HK PJ and the ordinanes, these are driving me crazy! Please take a look to see if you now what class they belong to?
    Buclizine HCl 1mg/ml, Injection containing choline orotate 50mg, Injection 0.03mg/ml Clenbuterol, codeine phosphate 4.5mg/5ml, codeine phosphate 25mg/5ml, codeine phosphate 9mg/5ml and pseudoephedrine HCl 30mg/5ml, codeine linctus = 30mg/5ml, Cyclizine HCl 50mg, Hydroxyprogesterone caproate 250mg in 2ml, Mercurochrome 2% solution, Terfenadine 30mg in 5ml and terfanadine 60mg in 5ml???

    Also if possible can you explain how to answer this question i.e. what is the legal status of codeine at different strengths, is there much difference?
    Past paper Question = Describe in full the conditions under which the following medicines may legally be sold by an authorised seller of poisons:
    a) A cough mixture containing 4.5mg codeine phosphate in 5ml
    b) A cough mixture containing 9mg codeine phosphate in 5ml

    ReplyDelete
  3. Thank you for such a great site!
    My question is not related to classification but i dont know where i can leave messages...
    May i ask when you answer the question do you just spill out the ordinance and regulation? Should it be in essay form or have to be word by word from the ordinance? Sorry about asking so many questions, just don’t know where to start...

    ReplyDelete
  4. Essay form is fine. They don't expect you to be a robot, just to have some understanding of the legislation, just like you do at home.

    ReplyDelete