What causes a 4-month-old baby to always scream for no reason?

4 months baby always screaming for no reason may be due to physiological reasons, but also does not rule out pathological reasons such as rickets, intracranial hemorrhage and so on.
1. Physiological reasons: if the 4-month-old baby is in a more excited state, usually like screaming symptoms, in addition to the external environment, or interested in new things, it will be manifested in the performance of screaming for no reason.
2. rickets: if 4 months baby lack of sun exposure or not timely add supplemental food, resulting in vitamin D deficiency caused by rickets, at this time the baby’s neurodevelopment there are abnormalities in the unexplained screaming at the same time there will be more sweating, restlessness, difficulty sleeping phenomenon.
3. intracranial hemorrhage: if 4 months baby always scream for no reason, accompanied by fontanel bulging, may be due to the occurrence of intracranial hematoma, intracranial pressure increases lead to baby screaming.
If your 4-month-old baby always screams for no reason, along with the accompanying symptoms mentioned above, it is recommended that you consult a doctor in time, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease, and symptomatic treatment.