I.          Definition:
 
Ptiyriasis alba is a common rash that affects the face, neck, arms and trunk of children and young adults.  This condition is not dangerous or contagious.
 
 
II.          Causes:
 
·          The cause is not known.
 
·          Pityriasis alba often becomes more noticeable after sun exposure.
 
 
III.          Treatment:
 
·          One percent hydrocortisone cream available over the counter should be applied once to twice a day to the affected areas.
 
·          The condition often goes away by itself after a few months to years.