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Isoniazid and Stomach Pain: What Users Say

Stomach pain: mentioned by 3 users (10.7%)

Based on user experiences from 28 Isoniazid 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.

anxiety 17.9%
diarrhea 17.9%
liver damage 17.9%
nausea 17.9%
moody 14.3%
fatigue 10.7%
stomach pain 10.7%
upset stomach 10.7%

Reviews for Isoniazid

Commonly mentioned side effects
  • Jam...
  • Taken for less than 1 month
  • April 13, 2018

For Tuberculosis, Latent "Started taking isoniazid (INH), and about a week later felt horrible: nausea, stomach pains, diarrhea, extremely dizzy, hard to even sit up in a chair, no appetite. This lasted 4 days after I stopped the medication. Started feeling better on the 5th day I started back on INH, all was good until the 5th day, sick all over again, lost 6 lbs. I'm a skinny guy as it is. I think I'm gonna take my chances of 5-10% of getting sick later with TB. Never felt so bad, could hardly stand up, felt like I was going to pass out. My liver is more important than a 5-10% chance of getting TB."

4 / 10
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21 Report
  • Eli...
  • September 22, 2015

For Tuberculosis, Latent "Overall, I'm sure this medication is very effective, but after taking it a week, I started getting nausea and stomach pain, especially after I ate. I'm sure some of this has to do with the fact I ate cheese sometime, as you have to be careful not to have foods high in tyramine. But I started to have general stomach pain, cramping, and tenderness. So my doctor said today that I have to stop taking the meds. Now I'm going to the infectious disease specialist."

4 / 10
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9 Report
  • 201...
  • July 20, 2018

For Tuberculosis, Latent "I've been on meds for latent tuberculosis (TB) for four months. I’m starting to experience certain symptoms. It is very depressing at times, and also I’m working on my diet change. I've been having bad aches, stomach pains, numbness, and tingling feelings in my feet and body. I’m trying to remain positive, but it is a lot."

5 / 10
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7 Report

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