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. 2023 Oct 2:6:e47769.
doi: 10.2196/47769.

Psychodermatological Disorders in Patients With Primary Psychiatric Conditions: Cross-Sectional Study

Atinuke Arinola Ajani  1 , Fatai Olatunde Olanrewaju  1 , Olumayowa Abimbola Oninla  1 , Olanrewaju Ibigbami  1 , Samuel Kolawole Mosaku  1 , Olaniyi Emmanuel Onayemi  1 , Olayinka Olasode  1
Affiliations

Psychodermatological Disorders in Patients With Primary Psychiatric Conditions: Cross-Sectional Study

Atinuke Arinola Ajani et al. JMIR Dermatol. .

Abstract

Background: Psychodermatological disorders (PDs) and their associations with mental health problems are one of the most frequent research themes in dermatology outpatient settings. Surprisingly, very few studies have been conducted to evaluate PDs among patients with primary psychiatric conditions. As such, the relationship between preexisting psychiatric conditions and comorbid PDs is underrepresented in the literature.

Objective: This study examined the prevalence and distribution of PDs among adults with primary psychiatric conditions and determined their association with underlying psychiatric diagnoses.

Methods: We conducted a cross-sectional analysis at a tertiary health care facility in southwestern Nigeria. Comorbid PDs were identified and classified using preexisting classification systems. A bivariate analysis was conducted to determine the association between PDs and underlying psychiatric conditions. The level of statistical significance was set at P<.05.

Results: The study included 107 patients with mental health disorders, of whom 64 (59.8%) were female. The mean age of the patients was 40.73 (SD 13.08) years. A total of 75 (75/107, 70%) patients had at least one comorbid PD. The prevalence of PDs was highest in patients with affective disorders (15/20, 75%) and least in those with schizophrenia (45/66, 68%). PDs associated with delusions or hallucinations and somatoform symptoms were 9 and 13 times more frequent in patients with anxiety disorders compared to those with other psychiatric conditions (P=.01; odds ratio [OR] 9.88, 95% CI 1.67-58.34 and P=.003; OR 13.13, 95% CI 2.34-73.65), respectively. In contrast, patients with schizophrenia were significantly less likely to be diagnosed with dermatoses resulting from delusions or hallucinations (P=.002; OR 0.04, 95% CI 0.00-0.75). A weak but significant negative association was also found between psychophysiological PDs and anxiety disorders (ϕ=-0.236; P=.02).

Conclusions: This study provides important insights into the overwhelming burden of psychodermatological conditions in patients with mental health disorders and specific associations with underlying psychiatric diagnosis.

Keywords: affective disorders; anxiety, stress-related, and somatoform disorders; primary dermatological disorders with psychiatric co-morbidity; primary psychiatric disorders with dermatologic manifestations; primary psychiatric psychodermatoses; psychocutaneous disorders; psychophysiological disorders; schizophrenia.

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Conflict of interest statement

Conflicts of Interest: None declared.

Figures

Figure 1
Figure 1
Algorithm for the classification of psychodermatological disorders.
See this image and copyright information in PMC

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