• Munise Daye, Fatma Gökşin Cihan, Begüm Işık, and Berna Hafızoğlu.
• Department of Dermatology, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey.
• Int. J. Clin. Pract. 2021 Dec 1; 75 (12): e14903.

PurposeTo evaluate the bowel habits of patients with acne vulgaris.MethodIn this case-control study, socio-demographical characteristics of the participants (age, gender, marital status, educational status, profession, economic status, smoking-alcohol habits, chronic diseases, previous operations, people they live with and diet) were questioned and the global acne grading scores of the patients were calculated. Bristol Stool Scale, Rome III IBS Criteria, International Physical Activity Questionnaire-Short Form, Hospital Anxiety Depression and KADF (dietary fibre information) scales were completed.ResultsThe patient group consisted of 102 participants and the control group consisted of 104 participants. The mean age was 20.9 ± 3.9 years old in the case group and 21.8 ± 5.0 years old in the control group. Patient and control groups were similar in terms of age and gender. Smoking rates were significantly higher in the patient group (P = .035). The amount of coffee consumed/day was significantly higher in the patient group (P = .040). According to the global acne grading scores, 55.9% (n = 57) had medium, 39.2% (n = 40) had mild, 3.9% (n = 4) had severe and 1% (n = 1) had very severe acne. Anxiety scores were found to be significantly higher in the patient group (P = .005). When the case and control groups were compared for IBS presence, no significant difference was found (P = .317). Also, IBS was not related to acne severity (P = .162).ConclusionFurther large sample sized studies are needed on this subject, as there is strong evidence about brain-gut-skin axis existence.© 2021 John Wiley & Sons Ltd.

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