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Old 02-25-2005, 06:45 AM   #1
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Oklahoma HB User
HCTZ Side Effects

Has anyone experienced side effects with HCTZ? I have been taking 25mg for the past week and haven't felt good at all; heart burn, trouble sleeping, dizziness, upset stomache.

In addition, it hasn't seemed to help my blood pressure at all. I assume their is no reason to wean off of HCTZ; just quit it?

Thanks for any comments.

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Old 02-25-2005, 08:55 AM   #2
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Re: HCTZ Side Effects

i was getting up about every hour when i was on it but that could have been the benicar causing that

of course when i woke up i had to go pee since i was on the hctz

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Old 02-25-2005, 12:43 PM   #3
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jtu91952 HB User
Re: HCTZ Side Effects

Hctz can raise glucose and cholesterol levels.

Old 02-25-2005, 12:56 PM   #4
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lavenderfields HB User
Re: HCTZ Side Effects

The first hbp pressure drug I took was 25mg. HCTZ and by itself it did nothing to lower my bp. If I took it without food it bothered my stomach. You can try taking it with food. It interrupted my sleep because I had to get up 3 to 4 times a night to use the bathroom. My potassium levels got low while on it and I had to take a prescription supplement. You don't have to wean off, you can just stop taking it.

Old 02-25-2005, 02:04 PM   #5
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Re: HCTZ Side Effects

HCTZ caused my potassium levels to plummet as well. Even when I took a prescription potassium supplement, the levels stayed low. I experienced terrible fatigue and weakness plus dry mouth and thirst.

No weaning necessary, as Lavenderfields says.

zuzu xx

Old 02-25-2005, 06:17 PM   #6
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pal7778 HB User
Re: HCTZ Side Effects

I've read more than one place that 25 mg HCTZ works no better than 12.5. And the lower dose may be better with the side effects, potassium drop, etc.

Old 02-26-2005, 08:07 AM   #7
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Re: HCTZ Side Effects


I'm soon going to do a personal trial by switching from 50 mg/day 4 days a week to 25 mg. on the same schedule, and I'll report whether the results are the same.
If so, less is always better.
As an aside:
Twenty-five years ago I was started on 100 mg. a day (and that's what my prescription still says) and the regimen used to be to go up to 200 mg. or more if necessary...but then I went the beta-blockade route.

Last edited by Lenin; 02-26-2005 at 08:12 AM.

Old 02-26-2005, 03:54 PM   #8
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Re: HCTZ Side Effects

I would dump the hctz. My cholesterol and triglycerides went up as soon as I started taking it. I didn't wean off of it either. Maybe I should have, but the doctor just told me to dump it and I did. I guess it depends on your bp numbers. Good Luck!

Old 02-26-2005, 08:10 PM   #9
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jtu91952 HB User
Re: HCTZ Side Effects

Frank, my cholesterol and glucose rose when i was put on hctz. I think all diuretics can cause those to rise. My endo told me if i was not suffering from swelling then i could discontinue the diuretic.

i take torsemide (loop diuretic) and i now half the pill. I am trying to get my glucose a1c back to under 6 and my cholesterol back to under 200. Right now it is 243.

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