I’m freaking out !!🙈😳

I think my 2.5 year old is getting a cold sore😳😬and I have my new baby .. she will be 12 weeks on Tuesday!! I’m so scared.. what do I do?😳

Update!! I don’t see anything anymore.. should I call it safe?? No redness nor bump 🤷‍♀️🤷‍♀️🤷‍♀️🤷‍♀️