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Message: <blockquote data-quote="iHs" data-source="post: 167104" data-attributes="member: 8799">Until you find through trial and error exactly what your TDD is (Total Daily Dose) you wont know exactly how much 1u of bolus will make yr bg drop by.Best thing is to use 1u correction to make bg level drop by 2mmol and use a slightly higher target to correct to.   So if yr bg level is 12, aim to calculate to a target of 8 which leaves you with a difference of 4.  4 divided by 2 equals 2.  So yr correction dose will be 2u plus your calculation insulin to carb ratio.  As a very very rough guide Dingbat until you can work things out a bit more accurately, use the carb ratio of 2u to 10g carb at breakfast and then see what yr bg level is 2hrs later.  If its somewhere near where you should be all ok.  If its higher then you will need to use a different ratio such as 2.5 or 3u to 10g.</blockquote>

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