There are many different causes and triggers for eczema. There are those from outside such as irritants, allergies and bacterial infection which are often descibed as dermatitis. Other causes are from within the body such as raised presssure in the leg veins, reactions to stressful circumstances and 'atopy', where there is a genetic tendency to eczema, asthma and hayfever.
Types of Eczema caused mainly by external triggers:
- Irritant - eczema caused by various chemicals, detergents in soap
- Allergic - eczema caused when the immune system reacts to something coming into contact with the skin or taken by mouth
- Physical factors - eczema resulting from friction and chronic rubbing or licking, sunlight and artificial ultraviolet light
Contact dermatitis- mostly found on hands and feet, ears and around eyes
Nickel allergy - can be anywhere that skin has been in contact with nickel or cobalt e.g hands, waistline, feet
Colophony (rosin) Allergy - allergic response usually the result of sensitisation to sticking plasters (Elastoplast)
Perioral eczema - shows as red pimples with white heads around the mouth and lower face
Photo-dermatitis - this is an allergic contact eczema from wearing sunscreen
Neurodermatitis (also known as Lichen Simplex) - a thickening of the skin linked to habitual rubbing and scratching
Lip-licking eczema -linked to habitual licking, rubbing or thumbsucking
Lip allergy (Allergic Contact Cheilitis) - an eczema-type inflammation reaction to lipstick, toothpaste, food, musical instruments, metal objects or medications
Eyelid eczema - can be the result of allergies or blepharitis
Eczema craquelé - also known as "winter itch" (Can also be caused by thyroid malfunction)
Types of Eczema caused mainly by internal & other causes:
Atopic eczema - usually hereditary, often associated with asthma, hayfever and food allergies
Asteototic eczema (also known as xerotic eczema or xerosis or eczema craquelé)] - usually in elderly people, where the skin looks like crazy paving.
Discoid eczema (also known as Nummular eczema) - rounded patches of eczema on arms, legs and trunk, usually in adults
Gravitational eczema (also known as Venous, Varicose, or Stasis eczema) - eczema on the lower legs
Pompholyx (or Dyshydrosis or Dyshydrotic eczema) - lots of very itchy blisters on hands, sides of fingers and feet
Seborrhoeic Eczema (also known as Cradle Cap in infants) - related to yeasts on the skin. Found as greasy yellow scales on scalp and in skin folds. Not itchy
Dermatitis Herpetiformis (or DH) - a burning, intensely itchy rash of clear blisters triggered by eating gluten
The information AllergyBestBuys provides should not be considered medical advice, nor is it intended to replace consultation with a qualified physician.