Otherwise know by the general term “eczema,” atopic dermatitis is a chronic and on-going skin condition. The symptoms are usually dry, very itchy, and irritated skin that may need daily care. Atopic dermatitis appears before the age of five, in the majority of suffers and about 50% of those people will continue to have symptoms for the rest of their adult lives.
This kind of eczema is not contagious, which means you cannot catch it from someone else or pass it to another person. Atopic dermatitis is usually an inherited condition – others in your family will probably have it too.
With repeated contact to a substance, which can be anything as mundane as soap, detergents, solvents, oils, or certain foods, contact dermatitis or eczema develops because that substance is causing damage quicker than the skin can repair itself.
There are over three thousand known irritants or allergens which can cause this type of eczema. A rash caused by contact with poison ivy is a type of eczema or contact dermatitis.
Exposure to ultra violet light or sweat can trigger a rash in contact dermatitis.
Dyshidrotic Dermatitis Hand and/or Foot Eczema
This type of eczema only appears on the palms of the hands and sides of the fingers and soles of the feet, either or both. The symptoms are a burning itching sensation and a blistering rash. The blisters look a bit like frogspawn.
It is also sometimes known as pompholyx, vesicular eczema or vesicular palmoplantar eczema.
This kind of eczema develops usually between the ages of 20 and 40. Nobody knows what causes it. It is not caused by overly sweaty hands and feet, as once was suspected.
It can disappear without treatment within 2-3 weeks, or in some people does re-occur.
This is one of the hardest kinds of eczema to treat as it is the itchiest. It always appears on places that can be scratched easily – the calves, ankles, neck, wrists, forearms, and genitals. The more you scratch the worse it gets, and can cause red plaques and permanent scarring. Treatment involves not scratching, but the itchy is worse than any other kind of eczema, so you can see why it is tough to treat.
It appears more in women aged 30-50 and in people that have contact dermatitis, psoriasis or anther type of eczema. It is unsure what causes it.
Nummular Dermatitis or Discoid Eczema
This kind of eczema generally appears after some kind of skin abrasion or burn, or insect bite. This common eczema shows coin-shaped or oval lesions. These patches may last for weeks or up to a year.
It starts out as a patch of red spots or blisters that grown together, leaving a tell-tale coin shaped patch. These patches can week fluid, then become crusty and scaly. They can appear anywhere on the body, but usually on the legs and torso. Care must be taken that staph infection does not occur.
Men get it more frequently after the age of 55, women around 15-25 years old.
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