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Xenical and Gas: What Users Say

Gas: mentioned by 4 users (3.3%)

Based on user experiences from 123 Xenical 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.

diarrhea 10.6%
upset stomach 4.9%
gas 3.3%
headaches 3.3%

Reviews for Xenical

Commonly mentioned side effects
  • Cri...
  • Taken for less than 1 month
  • March 25, 2019

For Weight Loss (Obesity/Overweight) "Started taking Xenical on Saturday, 23 March 2019. Weighed in at 95kg. It’s now Monday, 25 March 2019, and I weighed myself, I’m already 94kg. I haven’t had any major side effects. I’m a bit more gassy than normal, my stools have changed to an orange color but not been caught short. I just feel the need to go to the bathroom more often. I will add a further review in a week or so to say if any side effects have changed."

7 / 10
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98 Report
  • Cha...
  • Taken for less than 1 month
  • April 15, 2016

For Weight Loss (Obesity/Overweight) "I've been taking this medicine for a week now. No bad side effects other than a bit of wind. If you stick to your diet, there won't be any oil or accidents. Started at 80 kg and aiming to get down to 60. Hoping the hard work pays off when I have a weigh-in!"

7 / 10
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60 Report
  • Anonymous
  • July 19, 2009

For Weight Loss (Obesity/Overweight) "Feels like something running around in my stomach, really bad wind, scared to poop in case of an accident. Couldn't sleep until 5 a.m. for fear of an accident in bed. Had two accidents already in 3 days. Oily discharge leaking and making my underwear smell bad as well, which must be noticeable. Haven't taken my second dose today. Want to give this a fair trial but unable to leave the house for fear of accidents. Will see if half the 120 mg dosage works better on me."

2 / 10
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66 Report

Frequently asked questions

  • Amm...
  • July 20, 2016

For Weight Loss (Obesity/Overweight) "Am in Ghana, and I started taking this drug yesterday. I have not had an 'oily poop' incidence... in fact, no poop at all. But all I have been doing is passing out extraordinary gases."

7 / 10
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48 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.