newborn lip blister
5 possible reasons why your newborn has blistered lips

Are you at a loss for why your newborn baby has blistered lips? You are not alone. Blistering on the lips is a common condition in newborns that may be mistaken for other diseases like thrush or even herpes. The cause can range from an allergic reaction to breastfeeding, but there are many steps you can take to help relieve the pain and discomfort of this condition.

newborn lip blister
newborn lip blister


Your baby can be so precious, but if they have blisters on their lips, then you are probably worried. Are they harmful? Will the baby be alright? How does one get them? What should be done about them? How can a parent prevent their child from getting these blisters in the first place? Blistering of a newborn’s lips is due to many different causes.  In this article, we will talk about several possible reasons why you’re newborn has blistered lips and their preventions.


It is estimated that more than 1 million cases of breastfeeding blister in newborn lips are reported around the world every year. Although, this is not considered harmful to the baby, but it can be very painful and disturbing for both the mother and the baby. Breastfeeding blisters on newborn lips are a result of constant friction between the mother’s nipple, lips, and even inside her mouth. The main reason behind this is that mothers’ breasts produce milk, which demands frequent suckling from the baby. Therefore, constant rubbing of the nipples with the lips may cause blisters in babies.


Cold sores, also called fever blisters or oral herpes, are viral infections of the mouth area and lips that are caused by the herpes simplex virus (HSV). The virus is most generally spread through kissing or contact with an infected area of the skin so, the adult with a virus can affect the newborn by kissing them. The most commonplace for the virus to first appear is on the lips, though it can also show up on your face. It will start as a tingling or burning sensation in the affected area, accompanied by redness and swelling, which leads to the difficulty of newborns. You may also notice small fluid-filled blisters appearing. These blisters will eventually burst and form into painful sores that scab over and go away after a few weeks. Cold Sore for the first time can cause fever in the newborn.


Allergic reactions cause blisters on a newborn’s lips and tongue. They are found on the top and bottom of their lips. This is a condition that is common in babies.  It comes with swollen lips and cheeks, which makes it difficult for the baby to feed and breathe. This can also be fatal if left untreated. The condition is a result of an allergic reaction, which affects the baby’s body at birth. The baby may have an allergic reaction to something that the mother consumed during pregnancy, or even to something that the mother touches at birth. The blisters usually go away within a few days, but they can be flattened with a small amount of hydrocortisone cream. If they are still present after two weeks, it’s a good idea to take the baby to their pediatrician.


When babies suck on their fingers and hands, they can cause blisters on their lips. Blisters are caused by friction between the blistered area and the sucking object. Most cases are caused by constant sucking on a pacifier or thumb, but can also be caused by fingers and hands. The experts at WebMD say that many parents don’t worry about this because the blisters usually go away in a few days. Some parents feel uncomfortable discussing this with their doctors, so they don’t do anything other than waiting it out. This is not the right course of action, do recommend your doctor.


A new study has shown that the common use of pacifiers in newborn babies can cause blisters on their lips. On top of this, the study also showed that the pacifier causes inflammation of the mouth’s mucous membranes, and can even lead to pain, which is why parents should be careful about what type of pacifier they choose for their children.


Blisters are a temporary part of the healing process, but if isolated can cause a lot of stress to a new mother. The first thing you want to do is check for infection. If there’s any redness, pus, or heat surrounding the blister then it’s infected and needs medical attention. The best way to treat the blister is to apply an Antibiotic Ointment like Bacitracin and cover it with an adhesive bandage. It will keep it from getting worse and protect against infection. If you don’t have access to an antibiotic point, then you can use Lanolin Cream, which will help you treat your nipples and your baby’s blister lips. You can also use different Natural oils, which will help keep your baby lips moist.


It’s not uncommon to see newborns with blistered lips. While some babies may react to the vitamin K shot or breastfeeding, other things can cause blisters on your newborn’s lips. In this article, we’ve provided you with 5 possible reasons why your newborn may be suffering from these symptoms and what you should do about it. We hope these tips have been helpful! If there is anything else we can do for you, please do mention it in the comment section.

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