The difference between butterfly rash and allergy

There are many types of skin diseases clinically. Some skin diseases can confuse people with allergic symptoms. Therefore, when treating, you must pay attention to distinguishing the type of disease. Butterfly rash is also a skin disease. This disease is related to systemic lupus erythematosus, but it can also be easily mistaken for allergies, so be careful to distinguish them. So what is the difference between butterfly rash and allergy?

1. The causes of butterfly rash and allergies are different. Butterfly rash is a clinical manifestation of systemic lupus erythematosus. The cause of this disease is still not particularly clear. Experts point out that the occurrence of butterfly rash is related to genetic factors, infection, hormone levels, environmental factors, drugs and other factors. Allergy is an innate immune dysfunction that is determined by genetics. Another condition for allergies is contact with allergens.

2. The clinical symptoms of butterfly rash and allergy are also different. Butterfly rash is a light red or bright red spot. This spot looks like a butterfly. The color of butterfly rash will become darker after being exposed to sunlight outdoors. The edges of the rash will appear hard. Butterfly rash does not cause itching in patients. Allergic patients will experience skin lesions such as redness, swelling, itching, wheals, and peeling. Allergy sufferers will experience a very noticeable itching sensation. In addition, the patient's skin, respiratory system, central nervous system, circulatory system, etc. may experience complex symptoms.

3. The treatments for butterfly rash and allergies are also different. Butterfly rash treatment is complex. Currently, the main treatment is oral hydroxychloroquine and topical corticosteroid ointment. The most important thing about allergies is prevention, and patients should try to avoid contact with allergens. If an allergic reaction occurs, targeted medication is needed for treatment.

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