Acute urticaria often resolves spontaneouly without requiring treatment. If urticaria is susupected all current medications should be stopped. Dexamethasone given once at a dose of 0.1 mg/kg IM usually results in resolution of clinical signs within 24 hours. In rare cases, epinephrine may be required if the urticaria is associated with signs of anaphylaxis. | Acute urticaria often resolves spontaneouly without requiring treatment. If urticaria is susupected all current medications should be stopped. Dexamethasone given once at a dose of 0.1 mg/kg IM usually results in resolution of clinical signs within 24 hours. In rare cases, epinephrine may be required if the urticaria is associated with signs of anaphylaxis. |