Bacterial overgrowth syndrome

We’re all in this for good.

By sharing your stories and data, you will:
  • help each other live better and uncover the best ways to manage your health today
  • help researchers shorten the path to new treatments tomorrow

How much good can your data do? A whole lot, as co-founder Jamie Heywood explains in this video.

What is bacterial overgrowth syndrome?

Small-bowel bacterial overgrowth can occur from alterations in intestinal anatomy or gastrointestinal motility, or lack of gastric acid secretion that can lead to vitamin deficiencies, fat malabsorption, and malnutrition.

Common symptoms reported by people with bacterial overgrowth syndrome

Common symptoms
How bad it is
What people are taking for it

Reports may be affected by other conditions and/or medication side effects. We ask about general symptoms (anxious mood, depressed mood, fatigue, pain, and stress) regardless of condition.
Last updated:

Treatments taken by people with bacterial overgrowth syndrome

Treatment name(s)
Type
How many have tried
Tried for
Treatment name(s)

(Xifaxan)
Type
Prescription Drug
How many have tried
9
Treatment name(s)

(Flagyl)
Type
Prescription Drug
How many have tried
4
Treatment name(s)

(Adderall)
Type
Prescription Drug
How many have tried
3
Tried for
fatigue (3)
Treatment name(s)

(Neurontin)
Type
Prescription Drug
How many have tried
3
Tried for
pain (3)
Treatment name(s)

(Keflex)
Type
Prescription Drug
How many have tried
2
Treatment name(s)

(Voltaren Gel)
Type
Prescription Drug
How many have tried
2
Tried for
pain (2)
Treatment name(s)

(Cymbalta)
Type
Prescription Drug
How many have tried
2
Tried for
depressed mood (1) pain (1)
Treatment name(s)

(Ritalin)
Type
Prescription Drug
How many have tried
2
Tried for
fatigue (2)
Treatment name(s)

(Low Dose Naltrexone (LDN))
Type
Prescription Drug
How many have tried
2
Tried for
fatigue (2)
Treatment name(s)

(Percocet)
Type
Prescription Drug
How many have tried
2
Tried for
pain (2)

Data from patients with bacterial overgrowth syndrome, who reported starting treatments within the last 5 years.
Last updated:

Compare treatments taken by people with bacterial overgrowth syndrome

Treatment name(s)
Perceived effectiveness
Side effects
Total evaluations
Tried for
Treatment name(s)

(Xifaxan)
Perceived effectiveness
for bacterial overgrowth syndrome (5 evaluations)
Side effects
nausea diarrhea 1 more
Total evaluations
5
Treatment name(s)

(Flagyl)
Perceived effectiveness
for bacterial overgrowth syndrome (1 evaluation)
Side effects
Total evaluations
1
Treatment name(s)

(Adderall)
Perceived effectiveness
for fatigue (3 evaluations)
Side effects
complete exhaustion dry mouth 2 more
Total evaluations
3
Tried for
fatigue (3)
Treatment name(s)

(Neurontin)
Perceived effectiveness
for pain (3 evaluations)
Side effects
drowsy in morning
Total evaluations
3
Tried for
pain (3)
Treatment name(s)

(Keflex)
Perceived effectiveness
for bacterial overgrowth syndrome (1 evaluation)
Side effects
Total evaluations
1
Treatment name(s)

(Voltaren Gel)
Perceived effectiveness
for pain (3 evaluations)
Side effects
Total evaluations
3
Tried for
pain (2)
Treatment name(s)

(Cymbalta)
Perceived effectiveness
No evaluations
Side effects
No evaluations
Total evaluations
0
Tried for
depressed mood (1) pain (1)
Treatment name(s)

(Ritalin)
Perceived effectiveness
for fatigue (1 evaluation)
Side effects
nervousness
Total evaluations
1
Tried for
fatigue (2)
Treatment name(s)

(Low Dose Naltrexone (LDN))
Perceived effectiveness
No evaluations
Side effects
No evaluations
Total evaluations
0
Tried for
fatigue (2)
Treatment name(s)

(Percocet)
Perceived effectiveness
for pain (2 evaluations)
Side effects
constipation
Total evaluations
2
Tried for
pain (2)
  • Major
  • Moderate
  • Slight
  • None
  • Can't tell
  • Severe
  • Moderate
  • Mild
  • None

Data from patients with bacterial overgrowth syndrome, who reported starting treatments within the last 5 years.
Last updated:

Who has bacterial overgrowth syndrome on PatientsLikeMe?

  • 2 new patients joined this month
  • 91 say bacterial overgrowth syndrome is their primary condition

Age
Age Proportion # of patients
<20 1
20s 22
30s 51
40s 42
50s 44
60s 34
70+ 19
Age at first symptom
Age at first symptom Proportion # of patients
0-19 years 15
20-29 years 19
30-39 years 19
40-49 years 12
50-59 years 4
60-69 years 2
70+ years 2

Distribution of sex

Sex
Sex Proportion # of patients
Male 41
Female 174

Diagnosis status
Diagnosis status Proportion # of patients
Diagnosed 92
Not Diagnosed 8

These charts show data from bacterial overgrowth syndrome patients who have completed their condition history
Last updated: