LIVING WITH ECZEMA ? HOW TO BEAT THE ODDS?
WHAT IS ECZEMA ?
Atopic
dermatitis, also known as eczema, is a skin problem that causes dry, itchy,
scaly, red skin. It can occur in infants, children, and adults, and seems more
common in certain families. Eczema can be treated with moisturizers and
prescription ointments.
WHAT
ARE THE CAUSES?
The
cause of eczema is not completely understood, although hereditary factors
appear to play a strong role. In most people, atopic dermatitis is caused by a
genetic dysfunction in the outermost layer of the skin (the epidermis). The
epidermis is the first line of defense between the body and the environment.
When the epidermis is intact, it keeps environmental irritants, allergens, and
microbes from entering the body.
WHAT
ARE THE SYMPTOMS ?
Most
people with eczema develop their first symptoms before age five. Intense
itching of the skin, patches of redness, small bumps, and skin flaking are
common. Scratching can cause additional skin inflammation, which can further worsen
the itching. The itchiness may be more noticeable at nighttime.
Features
of eczema vary from one individual to another, and can change over time.
Although eczema is usually confined to specific areas of the body, it may
affect multiple areas in severe cases:
●In infants, there may be red, scaly, and crusted areas on the
front of the arms and legs, cheeks, or scalp. The diaper area is not usually
affected.
●In children and adults, eczema commonly affects the back of the
neck, the elbow creases, and the backs of the knees. Other affected areas may
include the face, wrists, and forearms. The skin may become thickened and
darkened, or even scarred, from repeated scratching.
The
skin can also become infected as a result of scratching. Signs of infection
include painful red bumps that sometimes contain pus; a healthcare provider
should be consulted if this occurs.
Other
findings in people with eczema can include:
●Dry, scaly skin
●Plugged hair follicles causing small bumps to develop, usually on
the face, upper arms, and thighs
●Increased skin creasing on the palms and/or an extra
fold of skin under the eye
●Darkening of the skin around the eyes
HOW
TO DIAGNOSE?
There
is no specific test used to diagnose eczema. The diagnosis is usually based
upon a person's medical history and physical examination.
Factors
that strongly suggest eczema include long-standing and recurrent itching, a
personal or family history of allergic conditions, and an early age when
symptoms began. Other factors include worsened symptoms after exposure to
certain triggers or any of the skin findings noted above.
WHAT
IS THE TREATMENT ?
Eczema
is a chronic condition; it typically improves and then flares (worsens)
periodically. Some people have no symptoms for several years. Eczema is not curable,
although symptoms can be controlled with a variety of self-care measures and
drug therapy.
Eliminate
aggravating factors — Eliminating
factors that worsen eczema can help to control the symptoms. Aggravating
factors may include:
●Heat, perspiration, dry environments
●Emotional stress or anxiety
●Rapid temperature changes
●Exposure to certain chemicals or cleaning solutions, including
soaps and detergents, perfumes and cosmetics, wool or synthetic fibers, dust,
sand, and cigarette smoke
Keep
the skin hydrated
Emollients — Emollients are creams and ointments that moisturize
the skin and prevent it from drying out. The best emollients for people with
atopic dermatitis are thick creams (such as Eucerin, Cetaphil, and Nutraderm)
or ointments (such as petroleum jelly, Aquaphor, and Vaseline), which contain
little to no water. Emollients are most effective when applied immediately
after bathing. Emollients can be applied twice a day or more often if needed.
Lotions contain more water than creams and ointments and are less effective for
moisturizing the skin.
Bathing — Lukewarm baths or showers can hydrate and cool the
skin, temporarily relieving the itching of eczema. An unscented, mild soap or
nonsoap cleanser (such as Cetaphil) should be used sparingly. An emollient
should be applied immediately after bathing or showering to
prevent the skin from drying out as a result of water evaporation. Emollient
bath additives (products you add to the bath water) have not been found to help
relieve symptoms.
Hot
or long baths (greater than 10 to 15 minutes) and showers should be avoided
since they can dry out the skin.
In
some cases, healthcare providers may recommend dilute bleach baths for people
with eczema. These baths help to decrease the number of bacteria on the skin
that can cause infections or worsen symptoms. To prepare a bleach bath, ¼ to ½
cup of bleach is placed in a full bathtub (about 40 gallons) of water. Bleach
baths are usually taken for five to ten minutes twice per week.
Treat
skin irritation
Topical
steroids — Prescription steroid
(corticosteroid) creams and ointments may be recommended to control mild to
moderate atopic dermatitis. Steroid creams and ointments are available in a
variety of strengths (potencies).
Steroid
creams or ointments are usually applied to the skin once or twice per day.
These help to reduce symptoms and moisturize the skin. As the skin improves, a
non-medicated emollient can be resumed. Strong topical steroids may be needed
to control severe flares of eczema; however, these should be used for only
short periods of time to prevent thinning of the skin.
Other
skin treatments — Newer skin
treatments for eczema include tacrolimus (Protopic) and pimecrolimus (Elidel).
These are effective in controlling eczema, although they do not work as quickly
as topical steroids. They are useful in sensitive areas such as the face and
groin, and can be used in children over age two. Due to safety concerns, these
treatments should only be used as instructed by a healthcare provider.
Oral
steroids — Oral steroids (eg, prednisone)
occasionally are used for a short period of time to treat a severe flare of
eczema, although this treatment is not usually recommended on a regular basis
or for prolonged periods of time because of potential side effects.
Treatment of Refractory eczema
Ultraviolet light therapy (phototherapy) — Ultraviolet light therapy (phototherapy) can effectively control atopic dermatitis. However, this therapy is expensive, may increase a person's risk for skin cancer, and is therefore recommended only for people with severe eczema who do not respond to other treatments.
Ultraviolet light therapy (phototherapy) — Ultraviolet light therapy (phototherapy) can effectively control atopic dermatitis. However, this therapy is expensive, may increase a person's risk for skin cancer, and is therefore recommended only for people with severe eczema who do not respond to other treatments.
Immunosuppressive
drugs — Drugs that weaken the immune system
may be recommended for people with severe eczema who do not improve with other
treatments. Treatment with these drugs can cause serious side effects,
including an increased risk for infection.
Injectable
medications — The injectable "biologic"
medication dupilumab, which targets the immune system, may be beneficial for treating
atopic dermatitis. Due to its high cost and potential side effects, this drug
is reserved for adults with moderate to severe atopic dermatitis that has not
responded to other treatments.
Drugs to Control
itching
Oral
antihistamines — Oral
antihistamines sometimes help relieve the itching of eczema. The
over-the-counter antihistamine diphenhydramine (Benadryl), and prescription
antihistamines, such as hydroxyzine (Atarax) and cyproheptadine, are most
effective for itching caused by eczema, although these drugs can cause
drowsiness.
The
nonsedating antihistamines such as cetirizine (Zyrtec) and loratadine
(Claritin) may relieve symptoms, and both are available without a prescription
in the United States.
Wet
dressings — Wet dressings help soothe and
hydrate the skin, reduce itching and redness, loosen crusted areas, and prevent
skin injury from scratching. Dampened cotton garments may be worn over the
affected area and covered with a dry garment. The person may wear these
dressings overnight or change them every eight hours during the day.
Can eczema be prevented? — Babies who
have a parent, brother, or sister with eczema have a high risk of developing
atopic eczema. In these babies, the use of moisturizing creams or ointments
from the first week of life may prevent eczema during the first year. Also in the next pregnancy, mother may be counselled to avoid certain allergenic foods, so that certain allergens may not pass through the placenta and go and sensitize the fetus inutero, thereby reducing the chances of allergy in the infant.Also 30percent of children might have associated food allergies. So an allergy specialist can do a skin prick testing to look for food allergies thereby finding out and isolating certain foods that can trigger the eczema in a particular child.
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