A purulent exudate is commonly seen covering the tonsils and the throat is usually erythemic.
Peritonsillar abscess is a complication of acute tonsillitis.
Identification of the patient with a peritonsillar abscess is usually made by observation alone. On exam the tonsillar fossa is bulging, red, and fluctuant to palpation. The uvula deviates to the unaffected side. IV fluids should be given to correct dehydration. Insert the 18 gauge spinal needle and aspirate as you advance to a depth of 2 cm.