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Prevpac and Tiredness: What Users Say

Tiredness: mentioned by 11 users (13.6%)

Based on user experiences from 81 Prevpac 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.

nausea 29.6%
diarrhea 22.2%
bad taste 21.0%
insomnia 16.0%
metallic taste 16.0%
headaches 14.8%
tiredness 13.6%
fatigue 12.3%
stomach pain 9.9%
bloating 8.6%

Reviews for Prevpac

Commonly mentioned side effects
  • Jos...
  • September 21, 2019

For Helicobacter Pylori Infection "I just finished yesterday with the 14-day treatment, however, I experienced loss of appetite, significant weight loss, restlessness, feeling dazed, tired all the time, and choking episodes. Also, the last 4 days, I noticed severe chest pain with tingling on the left side, including up the left side of my throat. I went to the ER and was told my heart rhythm is in good shape, but the pain was unbearable. I was given a GI cocktail and sent on my way. I hope the treatment starts kicking in at any time now because I’ve never felt weaker or dazed in my life. People have been telling me that I look very sick. On the plus side, I noticed the abdominal pain decreased significantly to the point I can’t remember it ever hurting. Stool still looks the same as when I was diagnosed with H. pylori. The only concern I continue to have is the hypertension feelings in the morning and the esophagus sensitivity to anything I ingest. Hope everyone gets better because the H. pylori bacteria ain’t no joke."

8 / 10
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54 Report
  • Par...
  • Taken for less than 1 month
  • October 29, 2020

For Helicobacter Pylori Infection "I don't normally share my experiences or leave reviews on anything, but I thought I'd share in regards to the Prevpac because I'm living through a nightmare. The worst thing is the bad taste in my mouth. I know it sounds like a very small side effect, but imagine the taste in your mouth after vomiting bile and times that by 100. There's also the drip taste in the back of my throat. I feel like I'm constantly holding puke back. I'm on day 3, and I'm very tired and feel extra weak. I've tried eating crackers, but no such luck in helping me out. I did, however, buy a lot of hard candy and gum, which helps a lot. I wake up every hour or two during the night to chew gum or suck on a candy. These drugs are no joke. I wish everyone luck."

3 / 10
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31 Report
  • Fly...
  • August 23, 2016

For Helicobacter Pylori Infection "I am halfway through treatment for H. pylori bacterial infection. I haven't experienced side effects like some have mentioned because I was told to take PROBIOTICS while on this treatment to put good bacteria back in my system. I had previously had treatment for another problem and took antibiotics but not a probiotic and had awful side effects that took time to clear up. This time when I took probiotics with the Prevpac, the results were excellent! I only have the acid taste in my mouth and feel a little tired, but otherwise, no other side effects. Wonderful!! The probiotic should be taken between the two doses and not with the dose."

8 / 10
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29 Report
  • ano...
  • October 19, 2015

For Helicobacter Pylori Infection "I've had the H. pylori infection for at least a few years, but this year it got to a point where I couldn't handle it. I had severe gastritis and couldn't eat anymore. Some days the food I ate over the course of a day wouldn't even add up to one meal. The treatment was not pleasant, but tolerable. It's a lot of pills to take in one day, and I felt exhausted some of the days. A few weeks after I finished the treatment, I noticed that I no longer have immediate pain and nausea when I try to eat. Now (4 months later), I can almost eat a full meal and feel okay. It took a while to recover, but it was very much worth it."

9 / 10
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30 Report
  • Mah...
  • July 18, 2011

For Helicobacter Pylori Infection "Today is my 5th day of taking the medication. I too was worried about taking it after reading some horror stories regarding the side effects. I am happy to say that so far the only side effects that I've experienced are a little tiredness the first day and the bad taste in my mouth, which I've noticed that I've experienced more in the middle of the night upon waking for various reasons. All in all, I am pleased, other than the fact that I have to take them for 14 days. Good luck to all!"

10 / 10
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40 Report

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  • Cre...
  • October 28, 2018

For Helicobacter Pylori Infection "I was very hesitant to take the meds due to the horror stories, and I'm glad I actually went through with it! Everyone reacts differently to the meds, and it's not as bad as I read it would be! I'm currently on Day 10 of 14 (almost there... Kudos to me!) The first couple of days I felt nothing. By Day 4, I noticed the dark stool, and I'm still having dark stools. By Day 8, I'm a bit nauseous at times and would feel better after eating. So far, yesterday, which was Day 9 for me, I felt the worst of it. I was nauseous all day, light headache, frequently having BMs, and exhausted. Today, Day 10, a little nauseous earlier around breakfast and a little bit now, but better after eating! Also, my sense of smell seems to have heightened, which also makes me nauseous. But overall, it's definitely not as bad as I read or as bad as the doctor told me it would be. But honestly, I can't wait to finish!"

8 / 10
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22 Report
  • so...
  • Taken for less than 1 month
  • June 24, 2013

For Helicobacter Pylori Infection "I've had some stomach pain, but nothing like before I was diagnosed. The taste is getting really bad in my mouth - I'm on day 7, but I just keep drinking water to get rid of the taste. It's like a zingy, metal taste, raw like I burned my tongue on coffee. I do have cramping about an hour after taking, but then it goes away. I have more bowel movements, but I assume it's just the meds working. It's almost over. Hopefully, I never have to do anything like this again. I'm no longer tired, groggy, no energy - I feel fantastic - I had no idea it was the infection making me so ill."

9 / 10
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35 Report
  • tom...
  • Taken for less than 1 month
  • December 20, 2018

For Helicobacter Pylori Infection "I was tested for the dreaded H. pylori, and the doc said I had a high amount in my gut. I was prescribed the triple therapy, all prescribed separately, so the cost was generic - $22 with insurance. I dreaded starting this regimen from all the horrific reviews - but I'm on day 2, and so far so good. I do have some explosive diarrhea at times, churning stomach, mild headache, and very tired. I'm hoping the rest of the 12 days will go this smoothly. I'm on holiday break, so I'm taking the time off - I don't see how someone could work a stressful or manual labor job on these drugs. I did take all the advice from this forum - I am taking two Align probiotics a day with several glasses of kefir and yogurt and eating small veggie meals and crackers - nothing acid, spicy, or carb-heavy."

8 / 10
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16 Report
  • Amy...
  • Taken for less than 1 month
  • September 22, 2015

For Helicobacter Pylori Infection "I am on day 3 out of 14, and I am so miserable. I don't want to continue it, but I have to :'( I pass really stinky gas, horrible diarrhea, nausea, feeling tired most of the time, but worst of all is the weird taste in my mouth. Oh God, when I wake up to it... Probably the reason why I feel so nauseated. Drinking a lot of water, eating candy (tiny M&Ms that come in bottles. For some reason, it helped me... weird, I know), and Listerine PocketPaks all help me with the disgusting, nasty taste so far. I hope it's worth it. I give it a five because of the side effects, but the treatment better be a 10... I sure hope it's worth it :'((("

5 / 10
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20 Report
  • Anonymous
  • Taken for less than 1 month
  • October 5, 2021

For Helicobacter Pylori Infection "Actually, I realized just a week ago that I was having an H. pylori infection, and I started medication yesterday. Meanwhile, I'm doing well, but the side effects are hard. I get a metallic taste, I feel nausea, and when I vomit, I spit just bubbles. It also just makes me feel super tired. But hopefully, I'll get better."

6 / 10
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  • Anonymous
  • Taken for less than 1 month
  • February 8, 2021

For Helicobacter Pylori Infection "This is horrible! Don't know if I can continue. Day 3 and have been to the emergency room already. The stomach pain is a lot, nauseous, vomiting, bloated, and just tired. The gastroenterologist warned me. I would get worse before I was better. I just didn't think it would be this bad! I can barely eat, and whatever I can is like a cup of food. Hoping it gets better!"

1 / 10
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1 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.