What are the symptoms of vitamin D deficiency in babies?

Oct 25, 2022 Source: Cainiu Health
Disease description:

The baby doesn't eat well and even cries loudly during the day. A friend suggested this might be due to vitamin D deficiency and recommended giving the child some vitamin supplements. I would like to know what symptoms are associated with vitamin D deficiency in babies.

Doctor's answer (1)
Dr. Wang Lei
Babies with vitamin D deficiency are prone to increased nervous excitability, which may cause irritability, hyperactivity during the day, insomnia, excessive sweating, and frequent night awakenings. Additionally, it can lead to insufficient calcium absorption; in severe cases, this may result in X-shaped or O-shaped legs, or even hypocalcemic convulsions. During a child's growth period, adequate supplementation of vitamin D is important and should be appropriately adjusted according to individual circumstances.