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Chronic spontaneous urticaria, despite its cause being unknown, is linked to a higher prevalence of autoimmune diseases, and is often worsened by triggers like stress, infections, certain foods, or nonsteroidal anti-inflammatory drugs. The hives and angioedema seen in CSU is thought to be linked to the degranulation of skin mast cells.
Chronic urticaria is defined as the presence of hives which persist for greater than six weeks. [31] Some of the more severe chronic cases have lasted more than 20 years. A survey indicated chronic urticaria lasted a year or more in more than 50% of those affected and 20 years or more in 20% of them. [32]
The first outbreak of urticaria can lead to other reactions on body parts not directly stimulated, scraped, or scratched. In a normal case, the swelling will decrease without treatment within 15–30 minutes, but, in extreme cases, itchy red welts may last anywhere from a few hours to days.
Generalized anxiety disorder is "characterized by chronic excessive worry accompanied by three or more of the following symptoms: restlessness, fatigue, concentration problems, irritability, muscle tension, and sleep disturbance". [13] Generalized anxiety disorder is the most common anxiety disorder to affect older adults. [14]
Daily Assessment of Symptoms – Anxiety; Generalized Anxiety Disorder 7 (GAD-7) [4] [5] Hamilton Anxiety Scale (HAM-A) [6] [7] Hospital Anxiety and Depression Scale; Panic and Agoraphobia Scale (PAS) Panic Disorder Severity Scale (PDSS) PTSD Symptom Scale – Self-Report Version; Screen for child anxiety related disorders
708.9 Urticaria, unspec. 709 Other disorders of skin and subcutaneous tissue. 709.0 Dyschromia. 709.01 Vitiligo; 709.1 Vascular disorders of skin; 709.2 Scar; 709.3 Degenerative skin disorders; 709.4 Foreign body granuloma of skin and subcutaneous tissue; 709.8 Other specified disorders of skin; 709.9 Unspecified disorder of skin and ...
.40 Unspecified.6x Bipolar I disorder, most recent episode mixed.66 In full remission.65 In partial remission.61 Mild.62 Moderate.63 Severe without psychotic features.64 Severe with psychotic features.60 Unspecified.7 Bipolar I disorder, most recent episode unspecified.0x Bipolar I disorder, single manic episode .06 In full remission
Delayed pressure urticaria is known as one of the more painful subsets of physical urticaria due to formed hives being deep-seated and appearing after 4–6 hours. [1]