Four-month-old babies’ exertion may be related to gastrointestinal dysfunction, or it may be related to the imperfect development of the nervous system or the lack of calcium and vitamin D, and so on.
1. Gastrointestinal dysfunction: four-month-old babies make hard exertion may be related to intestinal dysfunction, because in the gastrointestinal burden will appear briefly make hard exertion symptoms.
2. Imperfect development of the nervous system: the above situation may be related to the imperfect development of the nervous system of the baby, especially when subjected to some strange sound or astigmatism and other stimuli, may appear abnormal symptoms.
3. lack of calcium and vitamin D: four months of the baby appeared to make hard hard, may be related to the body lack of calcium and vitamin D, but also accompanied by excessive sweating, occipital baldness and other adverse reactions.
The four-month-old’s hard exertion may also be related to other factors such as poor mood, it is recommended to go to the hospital in time for relevant examinations, and after clarifying the cause of the disease, active symptomatic treatment.