If your baby has these marks, it means

Treatment for Blisters on Your Baby’s Lips

The treatment for lip blisters differs depending on the type of blister. Dr. Diard explains.

Treatment for Sucking Blisters

Because sucking blisters go away on their own, you don’t really need to treat them. If your baby’s lips seem dry, a little olive or coconut oil can help. Rubbing on a bit of hand-expressed breast milk can also be very healing.

Treatment for Cold Sores

See your provider right away if your baby has a cold sore. Newborns with cold sores need urgent treatment with an antiviral medication to reduce the risk of severe disease.

Even with treatment, newborn herpes can be life-threatening or cause long-term effects,” Dr. Diard says. “Your provider can guide their care and next steps.”

Treatment for Other Types of Lip Blisters

Treatment for the other types of lip blisters varies, but in all cases, it’s best to speak with your child’s healthcare provider.

  • For an allergic reaction, stop using any products that might be the source. Ask your provider to weigh in and offer tips to comfort them as they heal.

  • HFMD typically clears up on its own.

  • Impetigo and oral thrush require medications.


Preventive Measures to Avoid Lip Blisters

Although sucking blisters aren’t harmful and don’t require treatment, they can be a sign of feeding problems.

  • If you’re bottle-feeding: Make sure your baby gets most of the bottle’s nipple in their mouth and that the nipple is the right size.

  • If you’re breastfeeding: Make sure your baby has a good latch. If you’re having latching difficulties, a lactation consultant may be able to help.

When it comes to preventing cold sores, impetigo, and other infectious diseases, take precautions around newborns.

Anyone with a contagious illness should avoid close contact with a newborn,” stresses Dr. Diard. “If a close family member has an infection, talk to your provider about how to protect your infant.”


When Blisters Are an Emergency 🚨

Sometimes blisters on your baby’s lips can be a sign of something more serious. See your doctor if your baby has blisters and the following symptoms:

  • Stops breastfeeding, feeding, or drinking fluids

  • Sores near their eyes

  • Red, hot, swollen skin

  • Seizures

  • High fever

  • Spreading sores

  • Trouble breathing

  • Fast breathing

  • Grunting

  • Blue skin

  • Short periods of no breathing

  • Yellowing skin or eyes

  • Bleeding


Taking prompt and informed action can help protect your baby’s comfort and overall health. Always consult your healthcare provider if you have concerns.

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