There are more than one eczema any to know that because any one of them can affect you. Eczema is a blanket term which is used to describe different types of rashes.

Atopic dermatitis

This is known as the classic eczema. Whenever they hear the word eczema, many people think about this one. Atopic dermatitis is the clinical name for plain eczema. Do not confuse this with contact dermatitis, which is any type of skin inflammation that result from direct contact with an irritating substance. It is more common in children but if you had this problem as a kid, it is likely that you will have milder signs of the conditions as an adult. Some of the most common symptoms of this type of eczema include dry skin, itching and read or brownish grey patches. Even though these patches may appear anywhere, they are mostly seen on your hands, feet, ankles, wrists and neck, eyelids, are purchased and inside the crooks of your elbows and knees.

Dyshidrotic eczema

Dyshidrotic eczema symptoms include very small, fluid-filled blisters that show up on your skin. They are mostly seen on the palms of your hands, sides of your fingers and soles of your feet. It can be very itchy and debilitating. The blisters may stay for about three weeks and after drying out the skin it might feel scaly. They generally come back for a second round before even your skin got the chance to heal completely from the previous round. The risk of developing Dyshidrotic eczema increases if you also have atopic dermatitis.

Nummular dermatitis

Nummular dermatitis is also known as discoid eczema. You will see coin -shaped or oval sores which is generally show up after an injury like a burn, abrasion or insect bite. It generally starts on your legs, torso, arms, hands and feet as small red spots and blister like sores. They generally weep fluid and crust over. Such patches may last for weeks and even months and they each and burn.

Seborrheic dermatitis

Seborrheic dermatitis is also known as seborrheic eczema. It mainly impacts scalps of people. It is identified by the scaly patches, red skin and dandruff that won't go away. It generally impacts the oily areas of your body like your eyebrows, your face, and the side of your nose, ears, eyelids and chest. Even though exports are not sure what causes Seborrheic dermatitis, but they think that it may be caused by a yeast known as malassezia. It is present in your skin's oil secretions. An overactive immune system may also cause this problem.

Stasis dermatitis

Stasis dermatitis is also known as venous eczema. It can be distinguished easily from other types of dermatitis as it is linked with poor circulation. That is why Stasis dermatitis is mostly seen in your lower legs where blood flow is poor. As a result of insufficient circulation, fluid build-up happens in your legs and as a result of that it can create pressure which will make it difficult for oxygen and blood to reach your skin. When that happens you will suffer from Stasis dermatitis. You will find swelling around your ankles and that is the first sign of this problem. Such swelling happens when your sleep. Discoloured skin and varicose veins are some early signs of this problem. At a later stage, you may find dry, cracked, itchy skin, red or purplish open sores. Such sores will often be and scab over.

References

1. Eczema Free You
2. Eczema
3. Eczema