Impact of Itch on Mental Health: A Recent Study
Understanding Itch and Its Association with Dermatological Conditions
A recent study highlights the detrimental effect of itch on mental health, indicating that individuals experiencing itch report heightened mental health challenges. Itch is a prominent symptom among patients with various dermatological conditions, including eczema, atopic dermatitis, and psoriasis. Prior research has linked severe skin diseases with increased instances of depression, suicidal thoughts, and anxiety. These associations may stem from skin inflammation, which can alter neural peptides like serotonin in the brain. Additionally, nerve endings in the skin may activate, leading to changes in neurochemistry and signaling within the brain.
Study Overview and Methodology
Published in the Journal of Investigative Dermatology, this multi-center study involved various dermatological clinics across 13 European countries. The research aimed to examine the relationship between itch and the prevalence of mental health issues. The study utilized a questionnaire that included 3,530 patients with dermatological conditions and compared their responses to those of 1,094 individuals without itch or skin conditions.
The questionnaire assessed several factors, including the presence, chronicity, and intensity of itch, along with the Hospital Anxiety and Depression Scale, suicidal ideation, stress related to adverse life events and economic difficulties, and socio-demographic information. Participants also completed the EQ-5D visual analogue scale, which gauges overall health status and quality of life across five dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression.
Key Findings and Implications
The study’s findings revealed that patients experiencing itch had significantly higher rates of mental health issues, with 14.1% reporting depression, 21.4% experiencing anxiety, and 15.7% expressing suicidal ideation. In contrast, those without itch showed much lower rates: 3.2% for depression, 8.8% for anxiety, and 8.6% for suicidal thoughts. Furthermore, patients with itch reported a greater number of negative life events and economic hardships compared to their itch-free counterparts.
These results suggest a comparable burden of disease for patients with chronic itch to those suffering from other long-term conditions, such as diabetes. Overall, the findings underscore the significant impact of itch on mental health and quality of life for individuals with skin diseases.
Author and References
Written by P. Sukumar
References:
Dalgard, FJ., et al. (2019). Journal of Investigative Dermatology. Itch and Mental Health in Dermatological Patients across Europe: A Cross-Sectional Study in 13 Countries.
Monturano, T. (2019). Eurekalert!. Increased depression, suicidal thoughts and stress are reported in patients with chronically itchy skin.