In kwashiorkor some subcutaneous fat is usually palpable, and the amount gives an indication of the degree of energy deficiency. Mouth and lip changes characteristic of vitamin B deficiency are common. Xerosis or xerophthalmia resulting from vitamin A deficiency may be seen. Deficiencies of zinc and other micronutrients may occur.
http://www.fao.org/DOCREP/W0073e/w0073e05.htm#P3136_356089
