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Key clinical point: After patch testing, the frequency of allergic contact dermatitis (ACD) diagnosis was higher among patients with atopic dermatitis (AD) than among individuals without AD.
Major finding: Among patients with AD vs individuals without AD, the diagnosis rate of ACD (54.8% vs 47.3%; P < .0001), particularly ACD to cosmetics (7.0% vs 5.7%; P = .0007), medicaments (2.3% vs 1.7%; P = .02), dyes (1.9% vs 1.4%; P = .036), and foods contacting the skin (0.4% vs 0.1%; P = .003), was significantly higher.
Study details: This retrospective study included 15,737 individuals who underwent patch testing, of which 5641 were diagnosed with AD.
Disclosures: This study did not receive any funding. The authors declared no conflicts of interest.
Source: Qian MF et al. Prevalence of allergic contact dermatitis following patch testing in patients with atopic dermatitis: A retrospective United States claims-based study. J Am Acad Dermatol. 2023 (Feb 10). Doi: 10.1016/j.jaad.2022.12.051
Key clinical point: After patch testing, the frequency of allergic contact dermatitis (ACD) diagnosis was higher among patients with atopic dermatitis (AD) than among individuals without AD.
Major finding: Among patients with AD vs individuals without AD, the diagnosis rate of ACD (54.8% vs 47.3%; P < .0001), particularly ACD to cosmetics (7.0% vs 5.7%; P = .0007), medicaments (2.3% vs 1.7%; P = .02), dyes (1.9% vs 1.4%; P = .036), and foods contacting the skin (0.4% vs 0.1%; P = .003), was significantly higher.
Study details: This retrospective study included 15,737 individuals who underwent patch testing, of which 5641 were diagnosed with AD.
Disclosures: This study did not receive any funding. The authors declared no conflicts of interest.
Source: Qian MF et al. Prevalence of allergic contact dermatitis following patch testing in patients with atopic dermatitis: A retrospective United States claims-based study. J Am Acad Dermatol. 2023 (Feb 10). Doi: 10.1016/j.jaad.2022.12.051
Key clinical point: After patch testing, the frequency of allergic contact dermatitis (ACD) diagnosis was higher among patients with atopic dermatitis (AD) than among individuals without AD.
Major finding: Among patients with AD vs individuals without AD, the diagnosis rate of ACD (54.8% vs 47.3%; P < .0001), particularly ACD to cosmetics (7.0% vs 5.7%; P = .0007), medicaments (2.3% vs 1.7%; P = .02), dyes (1.9% vs 1.4%; P = .036), and foods contacting the skin (0.4% vs 0.1%; P = .003), was significantly higher.
Study details: This retrospective study included 15,737 individuals who underwent patch testing, of which 5641 were diagnosed with AD.
Disclosures: This study did not receive any funding. The authors declared no conflicts of interest.
Source: Qian MF et al. Prevalence of allergic contact dermatitis following patch testing in patients with atopic dermatitis: A retrospective United States claims-based study. J Am Acad Dermatol. 2023 (Feb 10). Doi: 10.1016/j.jaad.2022.12.051