Table 2

Frequency of symptoms
Symptom N (%)
*Gas and bloating 103 (87.3)
*Abdominal pain or cramping 93 (79.5)
Fatigue 93 (78.8)
*Diarrhea 76 (65.0)
Constipation 72 (62.1)
Muscle cramps/pain 71 (60.2)
Joint pain 68 (57.6)
Numbness or tingling in fingers or toes 62 (52.5)
Symptoms of depression 58 (49.6)
Anxiety 57 (48.3)
Recurring headaches or migraines 56 (47.9)
Nausea 50 (42.7)
Itchy skin rash 49 (41.9)
Mouth sores 40 (33.9)
Bone pain 39 (33.1)
Poor dental enamel formation 26 (22.2)
Weight loss (unintentional) 20 (17.1)
Vomiting 13 (11.1)
Infertility 12 (10.3)
Translucent-looking teeth 11 (9.5)
Seizures 3 (2.6)
Other 20 (16.8)

*Symptoms/signs used to qualify individuals for inclusion in the study if persisting for more than four weeks.

Barbero et al.

Barbero et al. BMC Gastroenterology 2014 14:42   doi:10.1186/1471-230X-14-42

Open Data