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Xifaxan and Brain Fog: What Users Say

Brain fog: mentioned by 3 users (3.1%)

Based on user experiences from 96 Xifaxan 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.

bloating 15.6%
diarrhea 13.5%
gas 11.5%
constipation 9.4%
nausea 5.2%
cramps 4.2%
pain 4.2%
upset stomach 4.2%
brain fog 3.1%
depression 3.1%

Reviews for Xifaxan

Commonly mentioned side effects
  • NCI...
  • Taken for less than 1 month
  • July 19, 2021

For Hepatic Encephalopathy "I just received my first bottle. I put Lactulose on my drug allergies list! I have alcoholic cirrhosis. Quit drinking 4 years ago. My liver and portal vein are permanently damaged, but I am thankful my condition has stabilized! I still have toxic ammonia levels. I have been in a 'mental fog' for years. Forgetful, mentally confused, poor motor skills, disorientation (doesn't help I have bad vertigo too), you name it. I didn't know what it was from. Thought I was getting dementia, I'm 63. NOW I KNOW WHAT WAS CAUSING IT: hepatic encephalopathy or HE. I only have Medicare Advantage, and the co-pay was $840 a month! Couldn't afford it. My GI doc applied me for the Bosch Assistance Program. I was APPROVED and received my first FREE bottle of Xifaxan 550 mg today. I am SO GRATEFUL! Cannot WAIT to see if this fog lifts. Wish me luck."

10 / 10
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16 Report
  • JWn...
  • Taken for less than 1 month
  • December 6, 2022

For Irritable Bowel Syndrome with Diarrhea "This medication severely impacted my physical and mental health. I was prescribed for SIBO (though I did not have diarrhea - only persistent, very mild bloating and increased flatulence at the time). Almost immediately after finishing the ten-day course, my GI issues erupted like a volcano. About two weeks after, I had already lost ten pounds, was experiencing pins and needle sensations in my skin, developed what I now recognize as clinical depression (brain fog, inability to concentrate, no appetite, etc.), and about three weeks after, my hair started falling out. Soon after, I started having panic attacks out of nowhere, with no preexisting mental health issues in myself or my immediate family, and SEVERE constipation that sent me to the ER. For a year after, I was lucky to have one bowel movement a week. Read EVERY adverse event/side effect report on this medication. My life has two chapters: before Xifaxan, and after."

1 / 10
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11 Report
  • Joe...
  • Taken for less than 1 month
  • November 10, 2018

For Irritable Bowel Syndrome with Diarrhea "Started to take this 2 days ago. I have IBS-C for years but has been getting worse. Bloating, gas, foggy brain, no energy, especially in mornings, mild depression, insomnia from gas pains at night. So far, nothing. FODMAP diet helps along with exercise, probiotics, and occasional Metamucil. Won't rate till done with script."

3 / 10
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18 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.