If your baby is drowsy after jet vomiting, it may be a neurological abnormality, mostly considered to be related to bacterial meningitis, tuberculous meningitis, concussion, brain tissue contusion, etc. You need to promptly clean the nasal and oral cavity, keep the respiratory tract open, visit the hospital for examination and prompt treatment after clarifying the cause. Common causes and treatments: 1. Bacterial meningitis: Mostly due to bacterial attack, coupled with the baby’s weak resistance and imperfect development of the blood-brain barrier, the baby is drowsy after jet vomiting, accompanied by symptoms such as high fever, headache, vomiting and irritability. It is necessary to improve the cerebrospinal fluid routine and culture examination to clarify the type of bacteria, selective application of ceftriaxone, cefotaxime, etc. At the same time, it is necessary to actively follow medical advice to give cooling treatment, such as the use of acetaminophen, but also need to lower intracranial pressure treatment, such as the use of mannitol; 2, tuberculous meningitis: early manifestation of the baby’s mental state changes, such as irritability and crying, mental dullness, loss of appetite, etc., the late development of jet The later development can be seen as jet drowsiness and convulsions after vomiting. It is necessary to follow the medical advice to actively anti-tuberculosis treatment, such as the use of isoniazid, rifampin, also need to use osmotic diuretics to lower cranial pressure, such as mannitol, etc.; 3, concussion, brain tissue contusion: baby accidental fall caused by head injury, concussion, brain tissue contusion, etc., can cause jet vomiting and drowsiness. The degree of injury needs to be clarified by CT and MRI examination of the head, and in more serious cases, medical advice should be given to lower the intracranial pressure, such as the use of mannitol, while paying attention to more rest and no strenuous activity; 4, other: viral encephalitis, epidemic meningitis, myelitis, or other causes of high fever can cause drowsiness after jet vomiting, which requires timely consultation and active treatment by the doctor.