Why does a 3-month-old baby spit bubbles from the mouth?

Drooling and spitting bubbles are very common phenomena in infancy, usually starting from 2 months after birth, and are related to the development of salivary glands, teething, and vocal practice. For parents, the most important thing to do is to first observe whether the baby is accompanied by other symptoms of diseases on the basis of blowing bubbles, so as to distinguish them one by one. Popular science book Children\’s One Hundred Thousand Whys Complete Works MP3 [446 Episodes Collector\’s Edition] The following bubbles are generally normal physiological phenomena, and parents do not need to worry. A small amount of foam around the mouth of a newborn after feeding is normal, especially for breastfed babies. This is because the baby\’s tongue and swallowing movement coordination abilities are not yet fully mature, and foaming may occur. What parents should do: After breastfeeding, parents should gently wipe away the bubbles at the corners of the baby\’s mouth with a handkerchief. You can burp for 5 to 10 minutes after breastfeeding. After half a year old, the baby intentionally spits bubbles and makes a \”pop\” sound. The baby is \”playing with bubbles\”. This action teaches babies how to modulate sounds, turn them on and off, and change volume and pitch. Also trains your baby to control his tongue, lips and facial muscles at the same time. It also helps with chewing training and controlling lip tension when drinking from a cup. The excess saliva produced when babies blow bubbles also helps soften gums in preparation for the eruption of baby teeth. What parents can do: Parents can encourage this behavior by rubbing their fingers on the baby\’s lips to help the baby make rolling sounds. Gently blow pops on your baby\’s arms or belly to teach your baby how to blow bubbles and make sounds. You can also imitate every little sound your child makes and try to add new sounds to your communication. Bubbles and drooling increase significantly when deciduous teeth erupt. A baby\’s first deciduous tooth usually erupts between 4 and 11 months old, and all 20 deciduous teeth usually erupt between 2 and 2.5 years old. Before and after the baby teeth erupt, the baby may eat less, bubble and drool more, and may be a little irritable at times, but generally the baby is in good condition and has no symptoms of illness. What parents can do: You can give your baby a teething stick or teether to relieve gum discomfort. Adults can also use finger toothbrushes to massage the baby\’s gums. To prevent saliva from irritating the baby\’s skin, wipe the saliva frequently with a soft cloth. And apply plenty of moisturizer to moisturize your skin. If my baby keeps spitting bubbles, what is abnormal? Because bubbles caused by disease will be accompanied by corresponding disease manifestations and will not just bubble bubbles, parents should pay attention to observation and seek medical treatment in time when necessary. Too little fluid intake is more common in summer and is caused by insufficient fluid intake. This condition is accompanied by oliguria, where the frequency of urination is less than 4 times per day. What parents should do: If breastfeeding, it is recommended to feed on demand. When the baby wants to feed, the baby should be fed in time and increase the frequency of feeding. If the baby is fed with milk powder, the amount or frequency of feeding can be increased appropriately. Swallowing syndrome or respiratory disease usually occurs in babies in the first 3 days of life. Swallowing syndrome is caused by the baby swallowing the mother\’s amniotic fluid and other body fluids when he is born, which irritates the gastric mucosa. Therefore, gastric acid and gastric mucus are secreted too much, and bubbles (mostly brown or dark) may appear after birth.Mucus), accompanied by retching and vomiting before or after breastfeeding. The vomiting usually stops after 1-2 days after the swallowed foreign objects are vomited up. Respiratory diseases, such as aspiration syndrome, neonatal pneumonia, etc. may cause bubbles after birth, sometimes accompanied by \”humming\”, poor breathing, shortness of breath, bluish discoloration around the mouth, poor reaction, etc., and often include asphyxia before and after birth. History of hypoxia and dystocia. What parents should do: If a newborn baby exhibits the above symptoms, it is necessary to inform the doctor or nurse in time and have it examined by a professional pediatrician. If necessary, gastric lavage or transfer to the pediatric ward should be performed for treatment. Gastroesophageal reflux Because milk flows back from the stomach into the mouth, the bubbles are more viscous than saliva bubbles. In this case, the baby will often retching, vomiting milk, and having a sour taste in the mouth; and this kind of bubble spitting is more common when lying flat or when the abdomen is exerted. It can be observed that when the baby is sleeping, he is swallowing even if he is not feeding (swallowing). Upturned milk). What parents can do: Reduce the air entering the baby\’s stomach when feeding: do not let the baby lie down to feed, you can hold the baby at a 45° angle to feed; feed small amounts multiple times, do not feed too quickly, and pay attention to burping during the process , you can also hold the baby upright and burp for at least 10 minutes after breastfeeding. When feeding from a bottle, make sure the hole in the nipple is the right size and that the flow rate is not too fast and will not hinder the baby\’s feeding. Turn the bottle over and let out a few drops, then stop, indicating that the hole in the nipple is the right size. Pneumonia​For pneumonia, no matter what the cause of pneumonia is, the baby blowing bubbles is not the first or specific symptom. Most of them increase suddenly, and the bubbles are sticky (mainly phlegm, so they are sticky. Normal saliva bubbles are clear liquid and not sticky). It is often accompanied by runny nose, cough, fever, and even wheezing. Infants often show symptoms such as wheezing, irregular breathing, tachypnea (more than 60 breaths per minute for newborns, ≥ 50 times per minute for babies aged 2 to 12 months), poor reaction, lethargy, and poor feeding. At the same time, it is accompanied by runny nose and stuffy nose, cough, fever, wheezing, irregular breathing, shortness of breath (more than 60 breaths per minute for newborns, ≥ 50 breaths per minute for babies aged 2 to 12 months), poor reaction, lethargy, poor feeding, etc. Performance. What parents should do: If the baby is spitting bubbles and accompanied by the above symptoms, and considering the possibility of pneumonia, parents need to take the baby to the pediatrician for a physical examination in time, listen to the heart and lungs, and take a chest X-ray to understand the lung condition if necessary. Viral infection If your baby spits bubbles and drools more and is accompanied by fever or oral herpes, or rash on the hands and feet, it may be a viral infection, such as colds, hand, foot and mouth disease, herpangina, etc. What parents can do: Treat symptoms according to different causes. Give your baby plenty of water to drink every day, and try to ensure adequate energy intake, such as eating cold foods or dairy products in small amounts and multiple times. When you have a sore throat, eat small amounts and drink frequently. If accompanied by fever exceeding 38.5°C, take antipyretic drugs such as acetaminophen. If your baby frequently has high fever or cannot eat or drink, you need to take your baby to the hospital in time.Pediatric visit.