Abdominal pain, aggressiveness, anemia, attention problems, constipation, fatigue, headaches, irritability, loss of developmental skills, low appetite and energy, slow growth. ​ — MEDLINE PLUS MEDICAL ENCYCLOPEDIA.
Nyeri perut, sikap agresif, anemia, tidak dapat memusatkan perhatian, sembelit, lelah, sakit kepala, mudah jengkel, tidak dapat mengembangkan diri, kurang nafsu makan serta tenaga, pertumbuhan yang lambat. ​ — MEDLINE PLUS MEDICAL ENCYCLOPEDIA.