Allergy
Allergies, wanda kuma aka sani da cututtukan rashin lafiyan, yanayi ne da dama da ke haifar da rashin lafiyar tsarin garkuwar jiki zuwa abubuwa marasa lahani a cikin muhalli. Waɗannan cututtuka sun haɗa da zazzabin hay, rashin lafiyar abinci, dermatitis, rashin lafiyar asma, da anaphylaxis. Alamun na iya haɗawa da jajayen idanu, kumburin ƙaiƙayi, atishawa, hanci mai gudu, ƙarancin numfashi, ko kumburi. Rashin haƙuri da abinci da guba yanayi ne daban.

Allergens na yau da kullun sun haɗa da pollen da wasu abinci. Karfe da kuma sauran abubuwa kuma na iya haifar da matsala. Abinci, ciwon kwari, da magunguna sune abubuwan gama gari na haifar da munanan halayen. Ci gaban su ya faru ne saboda abubuwan halitta da muhalli. Tsarin da ke da alaƙa ya haɗa da immunoglobulin E antibodies (IgE), wani ɓangare na tsarin garkuwar jiki, ɗaure ga allergen sannan kuma ga mai karɓa akan ƙwayoyin mast ko basophils inda yake haifar da sakin sinadarai masu kumburi kamar histamine. Ganewar cuta yawanci ta dogara ne akan tarihin likitancin mutum. Ƙarin gwajin fata ko jini na iya zama da amfani a wasu lokuta. Gwaje-gwaje masu kyau, duk da haka, na iya ba yana nufin akwai babban rashin lafiyar abin da ake tambaya ba.

Bayyanawa da wuri ga masu yuwuwar allergen na iya zama kariya. Jiyya na rashin lafiyan jiki sun haɗa da guje wa sanannun allergens da kuma amfani da magunguna irin su steroids da antihistamines. Magungunan antihistamines da aka fi so sune abubuwan da ba sa kwantar da hankali kamar loratidine. A cikin mummunan halayen adrenaline (epinephrine) allura ana ba da shawarar. Allergen immunotherapy, wanda sannu a hankali yana fallasa mutane zuwa ga mafi girma kuma mafi girma adadin alerji, yana da amfani ga wasu nau'ikan allergies kamar zazzabin ciyawa da halayen cizon kwari. Ba a fayyace amfani da shi wajen rashin lafiyar abinci ba.

Allergies na kowa. A cikin ƙasashen da suka ci gaba, kusan kashi 20% na mutane suna fama da rashin lafiyar rhinitis, kusan kashi 6% na mutane suna da aƙalla rashin lafiyar abinci ɗaya, kuma kusan kashi 20% suna da cututtukan fata a wani lokaci. Dangane da ƙasar kusan kashi 1-18% na mutane suna da asma. Anaphylaxis yana faruwa a tsakanin 0.05-2% na mutane. Yawan cututtukan rashin lafiyan da yawa suna bayyana suna ƙaruwa. Clemens von Pirquet ya fara amfani da kalmar "allergy" a cikin 1906.

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