Is not urticaria can be from the history, clinical manifestations, accompanying symptoms, onset duration and other comprehensive judgment.
1. Medical history: patients may have eaten or contacted allergens before the onset of the disease, common foods such as eggs, milk, etc., common contacts such as dust mites, pollen, etc.; patients may also have certain hidden infections, such as digestive system Helicobacter pylori infections, or suffer from chronic diseases, such as autoimmune thyroiditis.
2. Clinical manifestations: patients will appear red, pale-white masses of varying sizes, often round, oval skin lesions, can be scattered or fused into a piece, uneven orange peel-like, and surrounded by a red halo.
3. Accompanying symptoms: after the emergence of urticaria, patients will show different degrees of itching, some patients may have chest tightness, palpitations, abdominal pain, diarrhea and other accompanying symptoms, and in severe cases, wheezing, respiratory distress, and even shock symptoms.
4. Duration of onset: Urticaria is acute, short for a few minutes, long for a few hours to appear symptoms, generally within 24 hours can be self-canceling.
It is recommended that patients with suspected urticaria symptoms go to a regular hospital in time, after a clear diagnosis for targeted treatment to reduce the adverse effects of the disease.