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Medical Forum / Diseases and Disorders / Diabetes / March 2006

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Extended Release capsules

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Just - 11 Mar 2006 14:24 GMT
I take 500 mg Metformin Extended Release twice
a day. How much of a difference is there between
the extended release & the regular one? Does the
XR actually help more than the regular one?

Asking out of curiousity.
Susan - 11 Mar 2006 14:29 GMT
> I take 500 mg Metformin Extended Release twice
> a day. How much of a difference is there between
> the extended release & the regular one? Does the
> XR actually help more than the regular one?
>
> Asking out of curiousity.

Anecdotally, I've seen quite a few folks report that the XR is less
effective.  That doesn't mean it won't work well for you, though.

Susan
Just - 11 Mar 2006 16:10 GMT
> x-no-archive: yes
>
[quoted text clipped - 7 lines]
> Anecdotally, I've seen quite a few folks report that the XR is less
> effective.

Is this really true? Do most people here take the XR or the
regular & why?

> That doesn't mean it won't work well for you, though.
Mopar Girl - 11 Mar 2006 16:23 GMT
> > x-no-archive: yes
> >
[quoted text clipped - 12 lines]
>
> > That doesn't mean it won't work well for you, though.

I take the regular one.

Suzi
A1c 6.4  T2 DX 10/2002
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Lipitor 20mg (3 days a week), Enalapril 20mg
Walk 30 minutes per day 7 days a week
Susan - 11 Mar 2006 17:10 GMT
> Is this really true? Do most people here take the XR or the
> regular & why?

Why would I lie about having read anecdotes.  Yes, it's true.  But it's
not a universal problem.

Susan
Just - 11 Mar 2006 18:00 GMT
> x-no-archive: yes
>
>> Is this really true? Do most people here take the XR or the
>> regular & why?
>
> Why would I lie about having read anecdotes.

:-)

Didn't mean that - was asking if a lot of people
here face the problem.

> Yes, it's true.  But
> it's not a universal problem.

What about the opposite?
i.e. does anyone face problems in
switching from ER to regular?

How exactly do the doctors decide
whether to prescribe regular or ER?
Susan - 11 Mar 2006 18:08 GMT
> Didn't mean that - was asking if a lot of people
> here face the problem.

I googled it up using a variety of strings similar to XR vs. metformin.
I found that Chuck on this ng had to switch back to regular due to high
bgs on XR, and that some women on the PCOS group had problems, too
(which is where I originally heard of it when XR first came out).  A lot
of folks had problems with generic metformin, too, which may depend upon
who the manufacturer was.  Mine works great.

Many folks found that XR reduced gastric symptoms sometimes associated
with metformin.

> What about the opposite?
> i.e. does anyone face problems in
> switching from ER to regular?

If they have, I haven't seen them, but that certainly doesn't rule it out.

> How exactly do the doctors decide
> whether to prescribe regular or ER?

I think that's probably highly individual.  They may want to see more
even medication, or have a forgetful patient, or the patient may ask for
it. Or they may rx it to reduce gastric problems.

Susan
Alan S - 11 Mar 2006 22:52 GMT
>> x-no-archive: yes
>>
[quoted text clipped - 17 lines]
>How exactly do the doctors decide
>whether to prescribe regular or ER?

It's an easy decision here. XR isn't available, so I use
2x500mg regular.

Also anecdotally, some posters have found that XR is kinder
to their GI tract in the early period of adjustment.

Cheers, Alan, T2, Australia.
d&e, metformin 2x500mg
Signature

Everything in Moderation - Except Laughter.

jacquie - 13 Mar 2006 23:28 GMT
>>> x-no-archive: yes
>>>
[quoted text clipped - 26 lines]
> Cheers, Alan, T2, Australia.
> d&e, metformin 2x500mg

That's one reason I have stayed with XR...it's easier on my GI tract....and
my numbers seem to be doing ok...I am still on 1000mg a day...Not sure how
much longer it will last. Before I started XR my readings seemed to be going
up...but my A1C seems to still be ok...I think I may be heading for some
kind of transition...not for the good either. I've been lucky so far that
1000 mg has helped me keep my numbers down for 8 or so years. We will see
when I get my last A1C back.
jacquie
Cheri - 11 Mar 2006 18:39 GMT
I take XR, because it seems to work fine for me. YMMV

--
Cheri

>Is this really true? Do most people here take the XR or the
>regular & why?
TaniO - 11 Mar 2006 23:06 GMT
> I take XR, because it seems to work fine for me. YMMV
>
[quoted text clipped - 3 lines]
>> Is this really true? Do most people here take the XR or the
>> regular & why?

I've taken the regular (1000  two times daily).  My
doctor prescribed it and I've had very little
difficulty with it.

TaniO
Anon - 11 Mar 2006 22:44 GMT
I take the XR. I take it because my doctor prescribed it.

>> Anecdotally, I've seen quite a few folks report that the XR is less
>> effective.
>
> Is this really true? Do most people here take the XR or the
> regular & why?
Flying Rat - 11 Mar 2006 22:48 GMT
> Is this really true? Do most people here take the XR or the
> regular & why?

The XR version is supposedly better for those who have gastric distress
when taking metformin. As well as providing a continuous release it
minimises side effects

R
Hi_Therre - 11 Mar 2006 17:05 GMT
>x-no-archive: yes
>
[quoted text clipped - 7 lines]
>Anecdotally, I've seen quite a few folks report that the XR is less
>effective.  That doesn't mean it won't work well for you, though.

I see just the opposite.
Loretta Eisenberg - 11 Mar 2006 16:12 GMT
Just the point about it being Extended Release is that you take the
medication once a day.  I take 1500 er after dinner every night.  It is
not supposed to be broken up.

It stays all day or at least is supposed to work for twenty four hours.

Loretta

--
In tribute to the United States of America and the State
of Israel, two bastions of strength in a world filled with strife and
terrorism.
Anil - 11 Mar 2006 20:42 GMT
I take regular Metformin. 2x500Mg. After Alan's observation I too have
shifted to taking the first one after my lunch and one just before
going to bed. Seems to have better control over morning liver dump
effect. Since the regular works for me, that too generic kind, I never
explored the ER kind. My diet control is rather tough to follow
though...Yes I am keeping up but sleight variations and I get the
spikes (160-190).

Anil
jacquie - 13 Mar 2006 23:33 GMT
I take mine before dinner....one reason is because I keep the pills in the
kitchen and they stare me in the face when I am preparing dinner so it is
easier for me to remember....:) One reason I switched to ER is because I
would forget to take the morning one...this way I only have to remember once
a day.
jacquie

> Just the point about it being Extended Release is that you take the
> medication once a day.  I take 1500 er after dinner every night.  It is
[quoted text clipped - 8 lines]
> of Israel, two bastions of strength in a world filled with strife and
> terrorism.
Hi_Therre - 11 Mar 2006 17:05 GMT
>I take 500 mg Metformin Extended Release twice
>a day. How much of a difference is there between
>the extended release & the regular one? Does the
>XR actually help more than the regular one?
>
>Asking out of curiousity.

I find ER to the answer to my prayers for finding a solution to my
infamous morning spikes.  I've been fighting morning spikes for a
couple years and have been using Novolog (3 - 5u) to curb the lil
buggers.  I've been taking 2 500 mg metformin in the AM and 2 more in
the PM since DX.  The metformin has done little to curb the spikes or
much anything else.  I just use it since it has anti heart attack
features.  A couple weeks ago I changed the regimen to 1 metformin + 1
metformin ER in the AM and the same in the PM.  The results for me
have been nothing but a miracle.  I have seen very few BG readings
above120 in several weeks.  I haven't used Novolog since 2/25/06.
Before that, some days I was using Novolog for every meal to keep 1PP
below 120.  This morning I woke up at 9 AM and FBG = 81.  1PP
breakfast = 111 with cheese + yogurt as breakfast.  NO SPIKE,
yipppppeeeeee.

It could be that my liver is behaving itself, or just that nothing is
presently stirring up my system, or metformin ER could be my answer.
But, whatever the reason, I'm just loving those Looooooooooow numbers.
If history is a predictor of the future, typically April and September
are my worst nightmares, since bg's become difficult to control.  It
could be the calm before the April storm.
_____________________________________________
http://www.healthdiabeticsoftware.com/  Free
Jefferson - 11 Mar 2006 21:20 GMT
>>I take 500 mg Metformin Extended Release twice
>>a day. How much of a difference is there between
>>the extended release & the regular one? Does the
>>XR actually help more than the regular one?

I believe doctors prescribe XR because it may cause less
gastrointestinal disturbances.  Some people quit taking metformin
because it upsets their digestive tract too much.  I started off taking
500 mg/d of regular metformin and had no problem for 3 years.  My former
doctor quit practicing medicine and the new one switched me to XR.
Regular is at it's optimal effect at 4 hours from intake. Immediatately
my BG level increased in the evening.  The doc then gave me a script for
regular.  I have been using 500 mg XR with breakfast and 500 mg regular
with dinner ever since and have had good results. I did not have the
problem that Hi_Therre mentions below.

>>Asking out of curiousity.
>
[quoted text clipped - 11 lines]
> below 120.  This morning I woke up at 9 AM and FBG = 81.  1PP
> breakfast = 111 with cheese + yogurt as breakfast.  NO SPIKE,

Frank
Julie Bove - 11 Mar 2006 19:19 GMT
> I take 500 mg Metformin Extended Release twice
> a day. How much of a difference is there between
> the extended release & the regular one? Does the
> XR actually help more than the regular one?
>
> Asking out of curiousity.

XR didn't work as well for me as the regular stuff.  Guess we're all
different.

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