There are many reasons why a baby’s upper lip is swollen for no reason, such as insect bite dermatitis, hives, oral inflammation, lipitis and other reasons.
1. insect bite dermatitis: baby lips by mosquito bites, causing insect bite dermatitis, will lead to baby upper lip swollen for no reason.
2. hives: contact with allergens, caused by hives can also cause the baby’s upper lip swollen for no reason.
3. Oral inflammation: dental caries, gingivitis, pulpitis and other oral diseases, may also lead to gum swelling caused by the baby’s upper lip swollen for no reason.
4. Lipitis: the upper lip is infected by bacteria, viruses, fungi and other pathogenic bacteria causing an inflammatory reaction, which can also lead to the baby’s upper lip is swollen for no reason.
The baby’s upper lip is swollen for no reason, there may be other reasons, need to go to the hospital in time to check, clear cause.