9 months old baby sleep always wake up crying, may be related to the baby gastrointestinal discomfort, calcium deficiency, physiological factors, etc., you can take general treatment, medication, etc. to improve.
The baby is relatively small, gastrointestinal function is not very perfect, easy to be affected by dietary symptoms of gastrointestinal discomfort, sleep gastrointestinal discomfort will be easy to wake up crying, you can use the baby bacillus subtilis bacillus granules to adjust the gastrointestinal.
The baby sleep waking up and crying may also be related to calcium deficiency, you can check the calcium supplement, such as calcium carbonate D3 tablets, need to pay attention to the side effects of the drug, such as constipation, blood calcium abnormalities.
Physiological factors, such as the environment is too noisy, the temperature is too high or too low, can also lead to 9 months old baby sleep always wake up crying.
The above drugs need to be taken under the guidance of a doctor, it is recommended to take the baby to the hospital to improve the examination, identify the causes and then targeted treatment.