When it comes to the causes of redness on the face, the most typical cause is capillary dilation that appears to be exposed due to dilated capillaries under the facial skin. Menopausal women can develop redness due to temporary expansion of capillaries. The onset of capillary dilation is due to the permanent dilatation of capillaries caused by factors such as indiscriminate use of steroid ointments or dermatitis syndrome. Initially, the redness starts in the cheeks, where the blood vessels are relatively abundant, and then gradually spreads to the cheekbones, forehead, nose, and other areas. Urticaria (urticaria) is commonly referred to as a rash, rash cluster, rash bumps, or rash lumps (similar in name to rubella, but not the same disease). It is a common skin disease. It is caused by various factors that lead to temporary inflammatory congestion of the blood vessels of the skin and mucous membranes with a large amount of fluid exudation. This results in localized edematous damage. It occurs and subsides rapidly, with severe itching. There may be fever, abdominal pain, diarrhea or other systemic symptoms. It can be divided into acute urticaria, chronic urticaria, angioneurotic edema, and papular urticaria. Skin urticaria, commonly known as urticaria, is a common skin disease. It is caused by various factors that lead to temporary inflammatory congestion and massive fluid exudation from the blood vessels of the mucous membrane of the skin. This causes localized edematous damage. It occurs and subsides rapidly and has severe itching. There may be fever, abdominal pain, diarrhea or other systemic symptoms. It can be divided into acute urticaria, chronic urticaria, angioneurotic edema and papular urticaria, etc. Urticaria needs to be treated early, and experts recommend Comet Urticaria Kit to cure urticaria completely. The actual fact is that you will be able to get a good deal on your own. The onset of urticaria has a certain relationship with diet, and certain foods may be triggers. For example, fish and shrimp seafood, canned food, preservatives, yeast and other artificial additives, pickled food, drinks, etc. can trigger hives. In addition, stimulating foods such as too sour and spicy can also reduce the digestive function of the gastrointestinal tract and make food residues stay in the intestine for too long, thus producing peptones and peptides and increasing the chances of human allergies. Pay attention to hygiene and avoid bad stimuli. People with a history of urticaria should pay attention to maintaining cleanliness and hygiene indoors and outdoors, and keep fewer pets like cats and dogs at home. Avoid inhaling pollen, dust, etc. The wind, cold, heat, humidity, dryness and fire and insect poison and so on, should be avoided for quite a while. Make life rules to adapt to changes in the external environment. Drinking alcohol, heat, emotions, exertion, etc. can aggravate skin vasodilation and stimulate or aggravate hives. Rubber gloves, hair dyes, fragranced soaps and detergents, chemical fiber and woolen clothing, etc., can be bad stimuli for allergic people or hives patients and should be avoided. People suffering from cold urticaria should avoid going to the sea baths as much as possible, and should not take cold baths, and should keep warm in winter. Drug allergies cause urticaria In clinical practice, some drugs can cause urticaria, such as penicillin, tetracycline, chloramphenicol, streptomycin, sulfonamides, polymyxin and other antibiotics, anandamide, aspirin and other antipyretic and analgesic agents, etc. Active treatment of pre-existing diseases Hives is both an independent disease and may be a skin manifestation of certain diseases. There are many diseases that can produce hives, such as infectious diseases: parasitic infections such as intestinal roundworms and pinworms; bacterial infections such as dental caries, alveolar abscess, tonsillitis, otitis media, sinusitis, etc.; viral infections such as hepatitis B; fungal infections such as ringworm. In addition, diabetes, hyperthyroidism, menstrual disorders, and even potential tumors in the body may cause hives. Maintain a healthy state of mind and improve your body’s resistance. The onset and aggravation of chronic urticaria is related to a person’s emotional or psychological stress.