Psoriasis in Children (part 2)

What Else Can Look Like Psoriasis in Children?

Several other conditions can resemble psoriasis in children, and might be mistaken for psoriasis.


Pityriasis Rosea

  • Pityriasis rosea is a skin rash that occurs most
        commonly in people aged 10 to 35.
  • Pityriasis rosea can follow a cold (upper
        respiratory infection), much like guttate
        psoriasis, and may
        be confused with this type of psoriasis.
  • The condition may begin as a single, large,
        scaling, pink patch (1 cm, flat) on the chest
        or back.
  • About a week or two later, multiple, flat,
        scaling, pink-red patches occur on the
        chest, back, upper
        arms and legs.
  • The face and scalp are seldom involved,
        whereas in psoriasis the scalp is frequently
        involved.
  • The rash usually fades over about eight
        weeks.
  • Seborrheic Dermatitis Psoriasis in Children

  • Seborrheic dermatitis is a common skin disorder that is red, scaly and occasionally itchy.
  • Scaling of the scalp appears yellow and is greasy in texture.
  • It most commonly involves the scalp, sides of the nose, eyebrows, eyelids and middle of the chest.
  • It occurs most frequently in infancy when it is known as "cradle cap." Cradle cap usually clears
        between one to two years of age.
  • In some infants, seborrheic dermatitis may occur in the diaper area, where it may be confused with
        other types of diaper rashes, including psoriasis (napkin psoriasis).
  • Atopic Dermatitis/Eczema Psoriasis in Children

  • Eczema is a common chronic and recurring inflammation of the skin.
  • About 90 percent of eczema cases begin in childhood, usually before the age of five. In contrast,
        psoriasis tends to occur in older children and adults, and usually develops between the ages of 15
        and 35.
  • Scaling in atopic dermatitis is usually mild. Scaling in psoriasis can be severe.
  • Asthma and hay fever can occur with eczema.
  • Eczema affects approximately 10 to 20 percent of children.
  • Eczema is very itchy and is often known as the "itch that rashes."
  • The skin in eczema appears red and cracked (fissures), and it is often difficult to see a clear line
        between involved and uninvolved skin. In psoriasis, the skin is red, thick, with silvery-white scales
        and, less commonly, forms cracks (fissures). It is easy to see a clear line between involved and
        uninvolved skin.
  • Children with eczema are prone to skin infections such as viral infections (warts, cold sore infection)
        and bacterial infections of the skin with yellow crusting.
  • Eczema tends to present with different patterns (areas of involvement on the body) than psoriasis.
        In babies and infants, eczema involves the face and neck. In children and adolescents, the inner
        crease of the arm, behind the knees and the face are sites that are frequently involved.
  • Psoriasis tends to involve areas of the body that are the opposite of eczema: the elbows, front of
        the knees and the scalp, and often spares the face.
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