Arsurile solare acute reprezinta raspunsul pielii la radiatia ultravioleta in exces. Iradierea naturala difera foarte mult, in functie de anotimp si de conditiile atmosferice, fiind deosebit de intensa vara, in zilele senine. In afara de conditiile meteo, la gradul de expunere al fiecarui individ contribuie stilul vestimentar, ocupatia, factorii geografici (altitudinea si latitudinea).
Semnele si simptomele arsurilor solare apar intr-un interval de timp care variaza mult, intre o ora si 24 de ore. Ele se pot limita la inrosirea pielii, dar pot merge pana la dureri intense, sensibilitate excesiva pe piele si basicute. Chiar fara dorinta de a te bronza, in zilele cu insorire intensa risti sa te arzi pe umeri si pe picioare, in special pe labele picioarelor. In afara de disconfortul resimtit pe piele, arsurile solare sunt adesea insotite de simptomatologie generala precum febra, frisoanele, senzatia de slabiciune, mergand in cazuri grave pana la stare de soc. Dupa arsura, pielea se exfoliaza, iar noul strat tegumentar aparut poate fi chiar mai sensibil, incat o noua ardere este posibil sa se produca in zilele urmatoare.
Pentru a nu ajunge la aceste neplaceri, cel mai bine e sa te feresti de soare, masurile fiind simple si eficiente.
1. Expunerea initiala la soare, cu o suprafata mare de piele descoperita, trebuie sa fie scurta, sa nu depaseasca 30 de minute. Expunerile ulterioare se fac progresiv, putandu-se ajunge in decurs de cateva zile si la 3-4 ore.
2. Nu e recomandat sa stai in soare la orele amiezii, cand iradierea e extrem de puternica (raze ultraviolete si infrarosii).
3. Inainte de a te expune la soare, e bine sa te ungi pe corp cu o crema speciala, care contine factor de protectie solara. Cu cat numarul inscris pe eticheta produsului e mai mare, cu atat ecranul antiradiatie e mai puternic, putand ajunge la „ecran total”, care se recomanda persoanelor cu pielea alba, cu par blond si ochi deschisi la culoare, dar mai ales copiilor, a caror piele este extrem de sensibila.
4. De asemenea, este bine sa va protejati si ochii, cu ajutorul ochelarilor de soare (cu lentile negre sau maronii), pentru ca atat pielea din jurul ochilor, care este subtire si sensibila, cat si ochii in sine sufera la lumina puternica.
Nu uitati ca aceste sfaturi sunt valabile atat in timpul verii, cat si iarna, mai ales daca mergeti la munte si este zapada. Arsurile solare se produc indiferent de temperatura de afara.
Raspunsuri la scrisori
Bogdan Rosu, Giurgiu: Se pare ca suferiti de o alergie rebela, cu toate ca tratamentele urmate sunt corecte. Cereti medicului de familie o trimitere la spitalul ORL „Dr. Hociota” din Bucuresti. Acolo, specialistii va pot recomanda tratamente de ultima generatie.
Elena Lacatus, Brasov: Sindromul Raynaud este o afectiune autoimuna, iar gusa endemica este o boala a glandei tiroide, produsa de lipsa de iod in alimentatie. Mai multe amanute, intr-un articol viitor.
Rusalin Timofi, Petrosani: Crizele de angina pectorala nu le puteti tine sub control decat cu tratament permanent. Nu este suficient sa luati nitroglicerina doar in crize. Tratamentul cu nitriti trebuie continuat pe tot parcursul vietii. In privinta diazepamului, puteti ruga medicul de familie sa va recomande un somnifer usor, care nu da dependenta, eventual pe baza de plante (de exemplu Sedinstant).
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