Verywell / Jessica Olah
Atopic Dermatitis
Atopic dermatitisis the most common form of eczema.
It typically begins during childhood.
Signs and Symptoms
Atopic dermatitis often causes ared rashin the creases of the elbows and knees.
Verywell / Jessica Olah
Babies also often get atopic dermatitis on the scalp and cheeks.
A skin biopsy may also help confirm a diagnosis.
Atopic dermatitis cannot be cured, but treatment can help decrease symptoms.
Some people also make a run at improve their diet and avoid certain foods thatmay promote eczema.
Eczema is not triggered by food allergies but flare-ups can be triggered by allergies to food.
Contact Dermatitis
Contact dermatitisoccurs when your skin comes in contact with an irritating substance.
The two forms of contact dermatitis are irritant contact dermatitis and allergic contact dermatitis.
Other common triggers include fragrances and metals like nickel found in jewelry and belt buckles.
Irritant contact dermatitis typically causes burning and pain in the exposed area.
Itching is the main symptom of allergic contact dermatitis.
The best way to prevent irritant contact dermatitis is to determine the cause and prevent contact with the irritant.
These patches are typically applied to your back or arm and left in place for 48 hours.
If more than 20% of your skin is affected, oral steroid medications likeprednisoneare often required.
They can reduce pain and inflammation within 12 to 24 hours.
Irritant and allergic contact dermatitis can worsen with a bacterial infection.
The exact cause of dyshidrotic dermatitis is not fully known.
Patch testing may be performed to see if you have an allergy to a particular substance.
Neurodermatitis
Neurodermatitisis a form of eczema that causes raised rough patches of skin that itch.
It is similar to atopic dermatitis, and is often triggered by stress or other types of eczema.
Sometimes your face andgenital region can be affectedas well.
Itching can come and go, and can vary in intensity.
Neurodermatitis can also cause pain and hair loss if the scalp is affected.
Even when periods of stress stop, the itching can continue.
Effectively managing stress can help prevent and decrease the severity of neurodermatitis symptoms.
Neurodermatitis patches can become infected.
Because of its round appearance, it can be mistaken forringwormor psoriasis.
If you have adarker skin tone, your patches may appear brown.
They can also appear lighter than your natural skin color.
On lighter skin tones, the patches are usually pink or red.
Regardless of color, these raised (and often scaly) patches can last for weeks or months.
Nummular dermatitis often heals on its own or improves with topical steroid treatment.
Antihistamines like Benadryl and Vistaril can help relieve the itching.
Nummular dermatitis patches can become infected.
Seborrheic Dermatitis
Seborrheic dermatitisis sparked by an inflammatory reaction of the skin in response to theMalasseziayeast.
Seborrheic dermatitis occurs more often in cold and dry climates and during periods of stress.
These areas include the scalp, face, chest, back, armpits, and groin.
The condition can usually be diagnosed through a physical exam.
Seborrheic dermatitis is treated with topical antifungal medication like ketoconazole for affected areas on the face and body.
What Is Chronic Venous Insufficiency?
However, when these valves dont work well, blood can also flow backward.
This can cause blood to pool in your legs.
Discolored patches of stasis dermatitis often occur overvaricose veins(enlarged, twisted veins).
A dermatologist can diagnose stasis dermatitis based on the physical appearance of your skin and reported symptoms.
Wearing compression stockings or wraps can also help improve your circulation.
If your circulation is significantly compromised, vein surgery may be needed to improve your blood flow.
It will require further treatment from acardiologist.
Summary
All types of eczema cause dry, itchy, and inflamed skin.
Atopic dermatitis is the most common punch in of eczema.
It usually causes a red rash in the creases of the elbows and knees.
Another throw in of eczema called contact dermatitis happens when you come into contact with an allergen.
Dyshidrotic dermatitis, neurodermatitis, nummular dermatitis, seborrheic dermatitis, and stasis dermatitis are also types of eczema.
Eczema can be effectively managed if correctly diagnosed and treated accordingly.
National Eczema Association.What is Eczema?
American Academy of Dermatology Association.Eczema types: Atopic dermatitis diagnosis and treatment.
2016;4(2):229-236.e1.
The Society for Pediatric Dermatology.Eczema and food allergies.
2019;20(5):1119.
Monroe J.Toxicodendron contact dermatitis: a case report and brief review.J Clin Aesthet Dermatol.
2020;13(9 Suppl 1):S29-S34.
Usatine RP, Riojas M.Diagnosis and management of contact dermatitis.Am Fam Physician.
2010;82(3):249-55.
American Academy of Dermatology Association.Eczema Types: Contact Dermatitis Overview.
2018;98(11):685-686.
American Academy of Dermatology Association.Dyshidrotic eczema diagnosis and treatment.
American Academy of Dermatology Association.Neurodermatitis Signs and Symptoms.
American Academy of Dermatology Association.Neurodermatitis diagnosis and treatment.
Johns Hopkins Medicine.Chronic venous insufficiency.
American Academy of Dermatology Association.Eczema types: Statis dermatitis diagnosis and treatment