Teething at 3 months???

Aynslie

My baby is 12 weeks and 4 days. Over the past maybe.. 1 1/2 or 2 weeks, he has been really dribbly, more grouchy.. and has broke out in a little rash on his face.. don’t know if this is the signs of teething .. what’s the earliest a baby can start to teethe, and what signs should I look out for?? Thanks!!