L-lysine and Ibs - from FDA reports


Ibs is reported only by a few people who take L-Lysine. We study 625 people who have side effects while taking L-lysine from FDA. Among them, 1 have Ibs. Find out below who they are, when they have Ibs and more.

What to expect?

If you take L-lysine and have Ibs, find out what symptoms you could have in 1 year or longer.

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On Nov, 20, 2017

625 people reported to have side effects when taking L-lysine.
Among them, 1 person (0.16%) has Ibs

Number of reports submitted per year:

Could L-lysine cause Ibs?

Gender of people who have Ibs when taking L-lysine *:

  • female: 100 %
  • male: 0.0 %

Age of people who have Ibs when taking L-lysine *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 100 %
  • 50-59: 0.0 %
  • 60+: 0.0 %

Top conditions involved for these people *:

  • Migraine (1 person, 100.00%)
  • Menstrual Disorder (1 person, 100.00%)

Top co-used drugs for these people *:

  • Prilosec (1 person, 100.00%)
  • Multivitamin (1 person, 100.00%)
  • Cortisporin (1 person, 100.00%)
  • Augmentin (1 person, 100.00%)
  • Amoxicillin (1 person, 100.00%)

Top other side effects for these people *:

  • Pulmonary Embolism (1 person, 100.00%)
  • Pain (1 person, 100.00%)
  • Mood Swings (1 person, 100.00%)
  • Fear (1 person, 100.00%)
  • Asthma (1 person, 100.00%)

* Approximation only. Some reports may have incomplete information.

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Want to find out more about the FDA reports used in the study? You can request them from FDA.

Do you have Ibs when taking L-lysine?

Expand the study to include all drugs with the same ingredients

Ibs and drugs with ingredients of lysine.

Expand the study to include reports from both FDA and eHealthMe

Ibs and L-lysine from FDA and eHealthMe reports


L-lysine has active ingredients of lysine. It is often used in herpes labialis (oral herpes simplex). (latest outcomes from L-lysine 783 users)


Ibs (irritable bowel syndrome -chronic abdominal pain, discomfort, bloating) has been reported by people with acne, osteoporosis, high blood pressure, depression, multiple sclerosis (latest reports from 25,213 Ibs patients).

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Drugs that are associated with Ibs


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What would happen?

Forecast new side effects and undetected conditions when you take L-lysine and have Ibs.

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