BACKGROUND Chronic urticaria is defined as repeated episodes of wheals lasting for 6 weeks or longer. Nowadays, the role of vitamin D in various chronic diseases is a matter of great interest, but limited data is available on the vitamin D status in patients with chronic urticaria. OBJECTIVE The goal of this study was to investigate the relationship between vitamin D status and clinical chara...

OBJECTIVES After participating in the CME activity, primary care physicians should be able to: 1. Describe the clinical and histopathological differences between chronic urticaria and acute urticaria 2. Describe the leading identifiable causes of chronic urticaria 3. Understand how to perform diagnostic workup of chronic urticaria 4. Understand the available medical treatments of chronic urticaria

BACKGROUND Chronic urticaria is one of the perplexing problems faced by clinicians. There are a few reports associating house dust mite sensitivity with chronic urticaria, based upon the patient's history as well as intradermal skin testing and in vitro analysis. AIMS To investigate the possible association between house dust mite sensitivity and chronic urticaria. METHODS In this case cont...

IMPORTANCE Omalizumab has emerged as a novel and effective treatment option for patients with antihistamine-resistant chronic urticaria. It is unclear whether patients with recurrent urticaria symptoms after discontinuation of omalizumab treatment can benefit from retreatment. OBJECTIVE To assess the response of patients with chronic urticaria who receive omalizumab retreatment. DESIGN, SET...

Chronic urticaria is defined as episodic or daily hives lasting for at least 6 weeks and impairs quality of life. Two main subtypes include chronic idiopathic (spontaneous) urticaria and inducible (physical) urticaria, but some patients have urticarial vasculitis. "Autoimmune chronic urticaria" implies the presence of histamine releasing or mast cell activating autoantibodies to IgE or FcϵRI, t...

BACKGROUND The purpose of this study was to examine the differences in satisfaction with life and coping strategies between patients with acute and chronic urticaria. SUBJECTS AND METHODS Sixty patients with urticaria were divided into 2 groups after 6 weeks of standardized dermatology treatment (33 patients with acute and 27 patients with chronic urticaria). At baseline, all patients answere...

Chronic urticaria is a common condition that can be very disabling when severe. A variety of causes has been reported to induce urticaria, including food, infections, drugs and other factors. In more than 50% of cases of chronic urticaria, however, the cause remains unknown and cannot be ascribed to allergic, physical, environmental or other factors. Although an association between chronic idio...

In general population about 15-20% of subjects have suffered from one episode of urticaria-angioedema syndrome in their life. The etiology of his condition is various and multifactorial. In children the principal cause of acute urticaria is infection, while physical factors are the main agents of chronic urticaria. All those conditions which lack an etiology are named chronic idiopathic urticar...

Background: The immunologic profile of chronic urticaria is not only important for diagnostic purposes, but also for therapeutic approaches. This study evaluated the serum levels of Interleukin-6 (IL-6), Tumor Necrosis Factor-α (TNF-α) and Interferon-ϒ (IFN-ϒ) in patients with chronic urticaria to find a biomarker.Materials and Methods: Forty-one patients with chronic urticaria referring to the...