The 4-month-old baby screaming at the top of his voice may be related to emotional factors, or illnesses and other factors.
1. Emotional factors: 4-month-old babies screaming at the top of their lungs, may be related to their own emotions, because the baby may be more sensitive, so there will be some strange sounds, this kind of wait for the emotions to calm down after the disappearance.
2. Disease factors: 4 months of the baby screaming at the top of his voice, if you exclude the above situation, may be related to disease factors, such as fever, cough, respiratory tract infection or allergies.
The 4 months baby pulling the voice screaming may also be related to other factors such as imitation, it is recommended to timely to the hospital for relevant examination, clear cause after active symptomatic treatment.