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Hydrochlorothiazide and Dry Mouth: What Users Say

Brand names: Microzide, Esidrix, Ezide, Inzirqo, Hydro Par Carozide Diaqua Aquazide H

Dry mouth: mentioned by 13 users (7.0%)

Based on user experiences from 185 Hydrochlorothiazide reviews, the following table shows the most commonly mentioned side effects.

All user comments are moderated by Drugs.com. Each review is verified for relevance and screened for inappropriate content. Side effects are user-reported and not clinically verified.

dizziness 13.0%
tiredness 8.6%
headaches 8.1%
swelling 8.1%
dry mouth 7.0%
cramps 6.5%
fatigue 6.5%
frequent urination 6.5%
weakness 5.9%
nausea 5.4%

Reviews for Hydrochlorothiazide

Commonly mentioned side effects
  • Vkp...
  • January 14, 2018

For High Blood Pressure "Bad stuff. Second or third time over the past 3 months trying Hydro. It raised diastolic and heart rate to 90-100! Both were much lower before Hydro. 'Extreme' fatigue, shaky, jittery, dry mouth, dry eyes, gastric pains, hands stiff and weak."

1 / 10
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55 Report
  • Bil...
  • September 20, 2017

For High Blood Pressure "Terrible drug. I stopped after one week. I had major side effects such as severe nasal congestion, dizziness, headache, dry mouth, and difficulty taking a deep breath. I was very fatigued as well. I will not take this drug ever again."

2 / 10
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57 Report
  • But...
  • February 5, 2014

For High Blood Pressure "I noticed blood pressure began to stabilize. The side effects were overwhelming. I had a very dry mouth, no appetite. During the day, constant drowsiness and weakness, along with body aches I do not normally experience. I take three other blood pressure medicines."

8 / 10
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88 Report

Frequently asked questions

  • Anonymous
  • March 7, 2016

For High Blood Pressure "I have been on this medicine for 2 days now. The second day of taking 5 hours after I took it. I had an allergic reaction. Dizzy, dry mouth, heart racing, and felt like I was about to faint. Anxiety panic attacks. Very scary medicine. I advise nobody to take this poison. I'm going back to my Dr. Changing this ASAP."

1 / 10
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83 Report
  • Anonymous
  • July 22, 2011

For High Blood Pressure "I have used hydrochlorothiazide 12.5 mg for about 2 months now. It has significantly lowered my blood pressure, but I have noticed the arches in my feet hurt, some leg pain, and dry mouth. I also feel I don't have the same ambition. I do not urinate any more frequently than usual. I do think it has affected my sex life though, lowering my sex drive. I take this along with a beta blocker called propranolol 20mg. I will have to get my potassium checked to see how it is doing though."

7 / 10
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86 Report

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  • Lum...
  • Taken for 1 to 6 months
  • January 23, 2016

For High Blood Pressure "Works with my lisinopril to lower my high blood pressure. Really bad dry mouth and throat the first week. Also, I pee all the time. My tummy has gotten smaller, and I fit into pants I could never wear."

8 / 10
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53 Report
  • son...
  • Taken for less than 1 month
  • December 4, 2022

For High Blood Pressure "This drug works well in getting rid of water retention. I would give it at least an 8 for that. But the side effects are just horrible for me. So I am rating it much lower at a 1. I've tried to take this medication several times. Every time I end up with a very dry mouth, dizziness, and fatigue. It makes me feel very lousy. It is strange that I used to take this drug for many years as part of a high blood pressure combo such as Valsartan HCTZ. But I can't anymore. I think I am allergic to this medication. I will never take it again."

1 / 10
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13 Report
  • Luc...
  • August 12, 2017

For High Blood Pressure "I have been on 25 mg once daily of this medication for over 20 years now. I take it with Losartan (beta blocker). I have never experienced any of the side effects (e.g., dry mouth, dizziness, nausea, etc.) that others have reported here. Of course, it's a diuretic, so frequent urination (another side effect others report) is going to occur. But for myself, I've not noticed it, as the only time I experienced frequent urination was due to either a UTI or the massive fibroids that formerly pressed on my bladder; the HZT never contributed to this. So really, I've never had one side effect that I could attribute to this drug at all since I began taking it. In fact, the only warning from the pharmacy is to avoid sunlight or artificial sunlight."

10 / 10
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29 Report
  • doe...
  • Taken for less than 1 month
  • January 6, 2016

For High Blood Pressure "Well, I've been on this medication, 25 mg, for about a week... I started to have side effects about two days in, like extreme dry mouth, like I woke up in the Mojave Desert or something. And I still have the side effect, so I keep a bottle of water handy at night. 2-3 days in, I started to feel the mild cramps in my legs, but it's gone away, so it's temporary, I guess. As for urinating regularly, not sure if it's not high enough or what, because I have not noticed any loss of water, I have been retaining. Really disappointed, so I'll keep taking this med for another two weeks, if I don't notice anything, I'm off it, because it hadn't worked. Oh well, I guess let's see what happens."

3 / 10
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31 Report
  • Joe...
  • Taken for 6 months to 1 year
  • August 2, 2022

For High Blood Pressure "My doctor had me on 1 pill of hydrochlorothiazide 12.5 mg, and after initial cramping, my body was okay after adding more electrolytes. Eventually, I agreed with him to try 2 pills of 25 mg a day, and it went fine for a month or two. Then I had dizziness bouts for a whole day, and I kept taking naps (which I read were signs of dehydration), and my skin and mouth were drier. My vision doubled in blurriness (some from the first pill too), and I got pink eye from the dryness and irritation. I just felt very 'off,' so today I went back to one pill. It does help, but stay on track with your electrolytes, especially if you're doing a low-carb diet AND taking these! On a side note, companies DO put in different ingredients, so if you have a bad reaction, try another company and see if it works better."

6 / 10
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4 Report
  • Hel...
  • Taken for less than 1 month
  • August 8, 2015

For Nephrocalcinosis "I was put on this to lower my chances of getting more kidney stones. I've been on this a few days now and wanted to share my experiences early on. At first, I felt no difference, but the second day I started feeling extreme dry mouth, headache, lower leg cramping, and some frequency of urination, although I drink a lot of water, 1/2 to 3/4 of a gallon a day. But from what I've read here, these are normal side effects as my body adjusts to the medication. I'm going to keep on this until I see the doctor for a recheck in a couple of weeks, and hopefully, these side effects will subside. I'm mainly staying on it too out of fear of a returning kidney stone."

5 / 10
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10 Report
  • Mik...
  • Taken for less than 1 month
  • October 13, 2016

For High Blood Pressure "Started to take this medication, extreme dry mouth and overwhelming fatigue!"

2 / 10
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70 Report
  • mch...
  • Taken for less than 1 month
  • February 22, 2015

For High Blood Pressure "Side effects: extreme dry mouth, nausea."

1 / 10
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27 Report

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Reviews may be edited to correct grammar/spelling or remove inappropriate content. Reviews appearing to come from parties with a vested interest are not published. This information is not intended to endorse any medication and should not replace the expertise and judgment of healthcare professionals.