Nikolas
Created page with "<section begin="dermatology" />* Persistent urticaria * Associated with autoimmune connective tissue diseases * Can be due to hypocomplementemia (deficiency of complement factors) ** In which case there is also systemic involvement * Clinical features ** Recurrent episodes of painful, persistent urticarial lesions that last > 24 hours ** Angioedema can occur * Treatment ** Antihistamines ** Steroids ** NSAIDs ** Dapsone<section end="dermatology" /> Category:Dermatolog..."