Peritonsillar Abscess

Acute deep neck infection requiring urgent drainage.

Written by: Saygı Hospital Health Guide Editorial Board

Last updated: June 11, 2026

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our KBB (Kulak Burun Boğaz) department. Book Appointment →

What is Peritonsillar Abscess?

Peritonsillar abscess is a collection of pus between the tonsillar capsule and the superior pharyngeal constrictor muscle, typically arising as a complication of acute tonsillitis. It is the most common deep neck space infection in adults and adolescents.

Polymicrobial flora dominates with streptococci and oral anaerobes (Fusobacterium, Prevotella). Untreated cases may extend to the parapharyngeal space, threatening the airway and great vessels.

Symptoms

Severe unilateral throat pain with referred otalgia

Trismus (limited mouth opening)

Muffled hot-potato voice

Drooling and odynophagia

Uvular deviation away from the abscess

High fever, malaise and cervical lymphadenopathy

Risk Factors

Recurrent or inadequately treated tonsillitis

Smoking and chronic periodontal disease

Adolescent and young adult age group (peak 20-40)

Immunosuppression and diabetes

Recent dental infection extension

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

Severe unilateral throat pain with trismus and fever
Muffled voice or stridor suggesting airway compromise
Inability to swallow saliva or signs of dehydration
Failure of oral antibiotics within 48 hours of tonsillitis treatment

Treatment Methods

Bedside needle aspiration or incision and drainage of the abscess

Empirical IV antibiotics covering streptococci and anaerobes (ampicillin-sulbactam or clindamycin)

Single-dose corticosteroid for inflammation and trismus relief

Aggressive IV hydration and analgesia

Contrast neck CT for parapharyngeal extension or recurrence

Quinsy tonsillectomy in recurrent or pediatric cases requiring general anesthesia

Which Department to Visit?

You can visit our KBB (Kulak Burun Boğaz) department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About KBB (Kulak Burun Boğaz) Department

Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.