A 12yo boy presented with itching in his hands

A 12yo boy presented with itching in his hands. Exam: skin is dry and red. His mother is
asthmatic and older brother has hay fever. What is the single most likely causative factor?
a. Dermatitis herpitiformis
b. Scabies
c. Eczema
d. Uremia
e. Drug induced
Ans. The key is C. Eczema. [Itchy lesion and family history of asthma and hay fever in 1st degree relatives favours the diagnosis of eczema].