Egzema a słońce - Jak promienie UV wpływają na skórę?
Egzemos simptomai
Egzemos simptomai gali skirtis priklausomai nuo egzemos tipo ir pažeistos odos vietos, tačiau yra keletas bendrų požymių, kurie gali padėti atpažinti egzemą:
- Sausa, sutrūkinėjusi oda, pleiskanojimas. Ligos paveikta oda netenka drėgmės ir elastingumo, tampa jautresnė.
- Niežulys. Tai pagrindinis ligos simptomas. Egzemos sukeltas niežulys kartais gali būti ir labai intensyvus, trukdyti miegoti ar kelti stresą.
- Paraudimas ir patinimas ant odos. Dažniausiai atsiranda dėl padidėjusios kraujo tėkmės smulkiuose kapiliaruose, egzemos sukelto uždegimo.
- Mazgeliai, pūslelės, opos arba šašai ant odos. Tai yra odos reakcija į uždegimą arba infekciją.
- Šlapiavimas, vandeningos pūslės. Atsiranda ne visada, ligai progresuojant. Šie simptomai gali sukelti infekcijos riziką ir padidinti niežulį.
- Odos sustorėjimas, įbrėžimai. Dažniausiai atsiranda dėl kasymosi, nes besikasant oda yra pažeidžiama ir sužeidžiama.
- Pigmentacijos pokyčiai. Odos spalvos pokyčiai gali atsirasti tiek dėl uždegimo, tiek dėl gydymo. Oda gali patamsėti arba pašviesėti.
Types of Eczema
Eczema includes conditions such as:
Atopic dermatitis
This is what people usually mean when they say “eczema.” This is the most common form, and it affects more than 7% of American adults. Other allergic disorders, such as asthma and hay fever, can trigger it. It often starts in childhood.
This is a less common but more challenging form of eczema. It causes outbreaks of tiny blisters on the palms of the hands, soles of the feet, and sides of the fingers. Sweat or irritants such as metals may trigger it.
Neurodermatitis
Nummular eczema
This coin-shaped eczema often appears after a skin injury such as a burn or insect bite. You’re more likely to get nummular eczema if you or your family members have atopic dermatitis, allergies, or asthma.
Seborrheic dermatitis
Stasis dermatitis
This type happens in people who have poor blood flow, usually in their lower legs. Unlike some other types of eczema, these plaques don't mean you have abnormal genes. Some lifestyle habits raise the risk too, such as being overweight or not getting enough physical activity.
Read more about the different types of eczema .
What Are Lymph Nodes?
Lymph nodes are small, rounded organs that resemble the shape of a sprouted kidney bean. In the body, there are numerous lymph nodes. In fact, adults can have up to 600 lymph nodes. Common areas where people can feel their lymph nodes are behind the ears and in the neck, armpits, and groin. Lymph nodes are responsible for:
- Recycling and carrying fluid to the body’s cells and tissues
- Serving as a filter to trap substances
- Fighting infections and illnesses
The medical term for swollen lymph nodes is lymphadenopathy. Lymph nodes can feel soft, rubbery, tender, and sometimes painful if swollen. Some known causes of swollen lymph nodes include:
- Infections
- Medications
- Autoimmune diseases
- Cancers
In addition, there are two types of lymphadenopathy — local and generalized. Upper respiratory infections may cause local lymphadenopathy, or swelling of nearby lymph nodes because they are near to the infection. Examples of infections that cause local lymph nodes to swell are colds, sinus infections, and strep throat. Autoimmune diseases and cancers are considered generalized lymphadenopathies and may cause swelling of lymph nodes throughout the body due to their widespread effects, which means they have an impact on many different areas and systems in the body.
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