Complex sentence: Dungia had aversion, if not an extreme fright of hospitals and especially surgical rooms, and cannot stand the sight of blood, fails to follow his treatment as advised because he said that he does not "suffer".
Split into simpler sentences: Dungia had aversion, if not an extreme fright of hospitals and especially surgical rooms, and could not stand the sight of blood. He fails to follow his treatment as advised because he said that he does not "suffer".