Urticaria is a common vascular reactive disease of the skin and mucous membranes caused by a variety of causes, with the onset of more than 6 weeks diagnosing chronic urticaria. It is clinically characterized by limited, transient, pruritic flushing of the skin and mucous membranes and wind clusters. The pathogenesis can be immunologic and non-immunologic.
Etiology.
Common etiologies include.
(1) Food and additives ;
(2) Drugs ;
(3) animals, plants and inhalants;
(4) Infection;
(5) physical factors, such as cold, heat, ultraviolet light;
(6) internal diseases;
(7) mental factors;
(8) Genetic factors.
Characteristics.
Characterized by sudden onset, pruritic, bright red or pale white wind masses that appear and disappear, leaving no traces after fading, and the lesions usually fade on their own within 24 hours. Some patients experience discomfort with swelling of the mouth and lips, abdominal pain, heartburn, tightness of breath, chest tightness, throat obstruction, etc. In severe cases, anaphylaxis even occurs, which can be life-threatening if not treated in time!
Treatment.
Actively search for allergens, you can go to the hospital to do the relevant allergen testing, and at the same time, patients should be the keeper of life, you can keep a recipe diary to find the suspected allergens and try to eliminate or avoid them from your life.
Treatment is based on anti-allergic drugs, such as imipramine, loratadine, fexofradine, etc. The dosage should be reduced slowly after the disease is controlled, and should not be stopped suddenly, otherwise it will lead to a relapse and aggravation of the disease. If you can cooperate with your doctor, have the patience to adhere to the medication and regular decreasing dose, usually within a few months (stubborn may take 1 to several years) can be relieved.
Prevention.
1, maintain a regular life, avoid overwork, strengthen physical exercise to enhance physical fitness, adapt to changes in cold and heat.
2, actively search and remove the cause, treat chronic lesions, adjust gastrointestinal function, and exorcise intestinal parasites.
3.Find allergens and try to avoid contact or consumption, eat a light diet, and eat more fresh vegetables and fruits.