Abstract Background Immediate hypersensitivity reaction to ursodiol is rare and there no previously published protocol on desensitization. Case presentation A 59-year-old woman with primary biliary cholangitis (PBC) developed an immediate ursodiol—the first-line treatment for PBC. When she switched a second-line treatment, her PBC continued progress. As such, completed novel 12-step desensitiza...

Corticosteroids are rare causes of immediate type hypersensitivity reactions. We report a rare case of immediate type hypersensitivity reaction following an intralesional injection of triamcinolone acetonide into a presternal keloid. He had itching in and around the keloid along with an erythematous rash around the keloid, which had started 4 hours after the injection and had lasted for the nex...

Introduction: Different types of allergic conditions develop in the half of patients infected with HIV due to the immune system dysfunction. Increased prevalence of allergic conditions in HIV infected patients lead us to conduct the study of allegro reactivity by carrying out skin tests to different types of allergens including an allergen to Candida. Objective: To study the immediate type skin...