Why do fresh mangoes cause dermatitis?
Fresh mangoes are produced in the tropical regions. They are soft, sweet and nutritious. Many people like to eat. However, some people will experience some skin inflammation two or three days after eating fresh mangoes. Why does this happen? Who eats fresh mangoes?
The main reason for eating fresh mangoes causing solar dermatitis
1, fresh mango is a photosensitive material
Fresh mangoes belong to photosensitive substances. Under the action of light, photosensitive substances can be converted into another substance, photochemical products. Photochemical products can then be combined with proteins in the skin to become antigens. Antigens can cause allergic reactions in the body. Solar dermatitis symptoms as described above.
2. The effect of long-wave ultraviolet light in sunlight
Solar dermatitis is related to the effect of ultraviolet light in sunlight. Ultraviolet rays are classified into three types according to their wavelengths, namely, short-wavelength, medium-wavelength, and long-wavelength ultraviolet rays. Long-wave ultraviolet rays are closely related to the occurrence of solar dermatitis. In the laws of nature, every year in April, May, and June is the period when the amount of long-wave ultraviolet radiation in the sunlight is the most. This period is also the season for fresh mangoes, so it is prone to solar dermatitis.
3, people with allergic constitution
The so-called allergic constitution refers to the patient's serum contains a large number of substances involved in the body's allergic reaction immunoglobulin E (IgE), its content is higher than normal people several times or even tens of times higher, IgE and body intake or intake The combination of antigenic substances that are converted into the body presents a series of clinical symptoms of allergic reactions. In individuals with allergic constitutions, some individuals experience severe reactions on the skin even if they ingest very few photosensitive substances.
Extended reading: How to do solar dermatitis caused by fresh mangoes?
In patients with solar dermatitis caused by fresh mangoes, most patients need to be treated with glucocorticoids combined with antihistamines in addition to fresh mangoes. Light can take orally prednisone tablets or dexamethasone tablets and other glucocorticoid preparations, combined oral administration of cetirizine hydrochloride tablets or chlorpheniramine tablets and other antihistamines; severe cases need intravenous drip glucocorticoids, Intramuscular injection of antihistamines.
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