3 months old baby dry vomiting frequently, the main reasons include external stimulation, dietary irregularities, developmental abnormalities, infections, pharyngeal inflammation and other diseases, it is recommended to promptly consult a doctor and deal with different causes. Common causes 1, external stimulation: abdominal cold, resulting in stomach muscle spasm, causing dry vomiting; 2, dietary disorders: eating too much, too fast or eating indigestible food, resulting in indigestion; inhalation of too much air, gastric emptying, resulting in dry vomiting; 3, developmental abnormalities: lower esophageal sphincter function defects or gastrointestinal function is not perfect, indigestion symptoms; 4, infection: eating unclean food, resulting in gastrointestinal tract Infection, causing inflammatory reaction, flatulence, respiratory infections can also cause dry vomiting symptoms, such as upper respiratory tract infections, pneumonia; 5, pharyngeal inflammation: can appear pharyngeal redness, swallowing difficulties, etc., so the baby has dry vomiting phenomenon; 6, other diseases: such as viral hepatitis, resulting in liver function damage, affecting bile excretion, secretion, nausea, dry vomiting and other indigestion symptoms. Treatment 1, daily care: appropriate hot compresses, lightly rub the abdomen, can relieve symptoms; 2, symptomatic treatment: if there is a bacterial infection of the digestive tract can follow medical advice to use antibiotics for anti-infective treatment. If liver function abnormalities exist, take liver protection drugs, such as glucuronide tablets, as prescribed by the doctor. If dyspepsia is present, medications to promote gastric motility, such as domperidone tablets, may be prescribed. If pharyngitis is present, antibiotics or antiviral drugs can be used for the cause. Precautions When feeding your baby, pay attention to the speed and amount of food, avoid inhaling air, choose milk powder containing probiotics to promote the gastrointestinal digestive function of your baby, pay attention to keep warm and avoid getting cold.