High Blood Sugar Help Required

My dad has had a blood sugar above 20 for over a week now is seeing his doctor who has increased his tablets.
how quickly this bring his blood sugar down.
and what damage can it be doing
and could some help with what he should be eating please we seem to be not getting a great deal of info

Bluetit1802 said:

Hi and welcome,

Good to read you are looking after your dad and want to help him. You have come to the right place.

Can you tell us which medications your dad is taking, and which is his latest one? It can make a difference to dietary choices.

You say his levels have been over 20 for a week or so. At what times were these readings taken? Were they random or first thing in the morning, or after eating?

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hi
sorry had drive home from work the tablets are called Gliclazide he is 75 and a type 2 he as have been having treatment for prostate cancer starts radio in July they have given him no diet to help so he just eaten what hes always eaten but at the moment that's very little he lost over 3 stone in less than a month. my mum takes his blood before eating and after in the morning
my mum is a type 1 insulin basis so never had any major issues she controls hers well

xfieldok said:

Hi Alison, I can't see your profile so don't know whether he is T1 or T2. What medication is he on?

Stress or infection can raise BG.

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hi sorry had drive home
he is a type 2 my mum is type 1 insulin basis never had any problems with her he is 75 and having treat for prostate cancer
he is eating very little lost3 stone in less than month he has had this check out hospital they cant find anything wrong
they have given no diet so he is basically eating what he eat before.
he

alisonw34 said:

hi sorry had drive home
he is a type 2 my mum is type 1 insulin basis never had any problems with her he is 75 and having treat for prostate cancer
he is eating very little lost3 stone in less than month he has had this check out hospital they cant find anything wrong
they have given no diet so he is basically eating what he eat before.
he

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oh sorry the tablets they have raise are Glicazide