Question
The main symptoms include ridges on both sides of the forehead above, and the right rib cage is slightly higher than the left. At four months old, it was found to have a deficiency of calcium and iron.
Answer
Osteomalacia is a common chronic nutrient deficiency in infancy, usually caused by a lack of vitamin D leading to systemic calcium-phosphorus metabolism abnormalities, affecting bone development. Symptoms include nocturnal sweating, increased elasticity of the skull, square head, sparse hair at the back of the head, and delayed eruption of teeth. It is recommended to consult a hospital for diagnosis and to receive appropriate sunlight exposure and vitamin D supplementation.