A friend's 9 year old son suffers a rash around his mouth -- this flares up irregularly and has not been related (yet) to any particular food.  This child also suffers from asthma and eczema.  The rash around his mouth does sort of look like eczema -- flakey skin that flares up with red sores that sometimes rupture.  It is ...

Suspect the psoraisis may turn out to be contact dermatitis. The difficulty is trying to work out what causes is. Often it is caused by the residue of fabric washing products - washing machines leave them in huge amounts. Does she happen to sleep on that side? If so, it is probably that the combination of warmth and sweat is activating residues ...