Identifying Chigger Bites: Chiggers are tiny larvae members of the arachnid family and are sometimes called red bugs. https://truehealthyfacts.com/chigger-bites/

Bump On Roof of Mouth Sinus Infection - Lumps and bumps aren’t uncommon in your mouth. You may have experienced them before on your tongue, lips, or the back of your throat. https://growhealthexperts.com/bump-on-roof-of-mouth/