Furthermore, we could identify halitosis, trismus, uvula edema, and unilateral swelling of the arched palate to be characteristic symptoms for PTA.
[ncbi.nlm.nih.gov]
Common to both conditions include odynophagia, halitosis, fever, constitutional symptoms but these tend to be more severe with peritonsillar abscess.
[youtube.com]
[…] a toxic appearance (eg, poor or absent eye contact, failure to recognize parents, irritability, inability to be consoled or distracted, fever, anxiety), drooling, severe halitosis
[merckmanuals.com]