Recalcitrant Palmoplantar Pustulosis: Have You Considered Allergic Contact Dermatitis?

Palmoplantar pustulosis (PPP) is a chronic and relapsing disease of the palms soles, which tends to be difficult treat. Classically it was described as subtype psoriasis. Nowadays regarded separate entity, although plaque-type psoriasis affects concomitantly many patients with PPP. A link between allergic contact dermatitis (ACD) PPP has been described, former may encompass potential perpetuate latter. Hereby we report two cases treat plantar pustulosis. Underneath dermatosis’s refractive nature an sensitization potassium dichromate cobalt chloride. Leather shoes leather insoles were commonly worn, both allergens are employed by industry. Clinical remission achieved in allergen eviction. Patch testing must considered without response treatment. If relevant found, eviction measures mandatory.