Sudden Pain in mouth and ear and excerated

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I now have solid textbook content. Here is a thorough clinical answer:

Sudden Mouth and Ear Pain with Excoriation (Raw/Ulcerated Tissue)

This symptom triad - sudden oral pain, ear pain, and excoriation (raw, ulcerated, or abraded tissue) - is a classic presentation that requires careful evaluation. The ear pain here is almost certainly referred otalgia from the mouth/jaw, not a primary ear condition.

Why Do Mouth and Ear Hurt Together?

The ear has a remarkably complex sensory innervation from multiple cranial nerves, which means pain in many head/neck structures is "felt" in the ear:

Trigeminal nerve (V3 - mandibular division) carries sensation from the anterior tongue, floor of mouth, teeth, palate, lower jaw, salivary glands, and TMJ. Pain from any of these is felt in the ear canal.
Glossopharyngeal nerve - carries pain from the tonsils, tongue base, nasopharynx, and pharynx, perceived as a deep, intense otalgia.
Vagus nerve - from the larynx, oesophagus, thyroid, tracheobronchial tree.

(Scott-Brown's Otorhinolaryngology Head & Neck Surgery, Vol. 2)

Most Likely Causes - Ranked by Probability

1. Dental Abscess (Most common)

Sudden, severe throbbing toothache that refers directly to the ear
Often with visible swelling, redness, or a visible pus-filled lesion (excoriation/necrosis) on the gum
Percussion of affected tooth causes sharp pain
May cause fever and jaw stiffness
Action needed: Urgent dental/ER visit - may need drainage and antibiotics

2. Herpetic Gingivostomatitis (Primary herpes simplex)

Sudden onset of widespread, painful ulcerating vesicular lesions in the mouth - these look excoriated and raw
High fever, swollen gums, drooling, very painful
Ear pain is referred via the trigeminal nerve
Affects mainly children and young adults (first infection)
Treatment: oral acyclovir, pain management, hydration

3. Temporomandibular Joint (TMJ) Disorder

Jaw joint pain that strongly refers to the ear - around 30% of people have TMJ symptoms at some time
Often triggered by stress (clenching/bruxism), trauma, or recent dental work
Joint makes clicking or popping sounds; limited mouth opening
Excoriation may be from cheek biting during teeth grinding
(Scott-Brown's Otorhinolaryngology)

4. Aphthous Ulcers (Canker Sores)

Sudden painful oral ulcers with a raw/excoriated yellow-white base and red border
Very common; caused by local trauma, stress, dietary deficiencies
Ear pain is referred

5. Tonsillitis / Peritonsillar Abscess

Severe throat/mouth pain with referred deep ear ache (via glossopharyngeal nerve)
Visible tonsillar redness, exudate, or swelling
Peritonsillar abscess is an emergency - one-sided throat/mouth swelling with uvula deviation

6. Malignancy (Must Rule Out)

Especially if pain is persistent, one-sided, in an adult with smoking/alcohol history
Oral cancers of the floor of mouth, tongue, or tonsil can cause both mouth pain and referred otalgia
Any non-healing excoriated lesion lasting >3 weeks needs urgent biopsy

(Shambaugh Surgery of the Ear; Scott-Brown's Otorhinolaryngology)

Red Flags - Seek Emergency Care Immediately If:

Swelling spreading to the neck or floor of mouth (Ludwig's angina - life-threatening)
Difficulty breathing or swallowing
Trismus (inability to open the mouth)
High fever with neck stiffness
Uvula pushed to one side (peritonsillar abscess)
Rapidly spreading excoriated lesions

What the Doctor Will Do

Examine the mouth, teeth, gums, tonsils, tongue, and jaw joint
Tap individual teeth to find the painful one
Check for neck lymphadenopathy
If ear exam is normal (no otitis), the cause is almost certainly referred from the mouth/jaw
May order dental X-rays, panoramic jaw X-ray, or throat swab

Important: This information is for educational purposes. Sudden mouth and ear pain together, especially with visible tissue damage (excoriation), needs to be evaluated by a doctor or dentist promptly - particularly to rule out a spreading infection or an abscess.

Sudden pain start from mouth and transfers to ear through angle of mandible and behind ear .. there is no lesion in ear and mouth

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I now have excellent, precise textbook content for this specific clinical pattern. Here is the detailed answer:

Pain: Mouth → Angle of Mandible → Behind Ear, No Visible Lesion

This is a highly characteristic pain radiation pattern. With no lesion in the mouth or ear, this is almost certainly neuralgic or structural in origin. The radiation pathway - mouth to angle of mandible to behind the ear - maps almost exactly onto the glossopharyngeal nerve (CN IX) territory and its convergence with adjacent structures.

Top Diagnoses - Ranked by Fit

1. GLOSSOPHARYNGEAL NEURALGIA (Best Fit)

This is the single most fitting diagnosis for this exact pain distribution.

Diagnostic criteria (from Cummings Otolaryngology Head and Neck Surgery):

Recurring paroxysmal attacks of unilateral stabbing pain along the distribution of CN IX: posterior tongue, tonsillar fossa, pharynx, angle of the mandible, or in the ear
Pain characteristics: lasts seconds to 2 minutes, severe intensity, electric shock-like, shooting, stabbing, or sharp
Triggered by: swallowing, coughing, talking, or yawning
No lesion found on examination - this is typical
Pain along the auricular or pharyngeal branches of the vagus nerve is also classified under this diagnosis

The radiation you describe - mouth → angle of mandible → behind the ear - perfectly follows CN IX distribution and its overlap with the auricular branch of the vagus nerve (Arnold's nerve), which supplies the postauricular region.

Management:

First-line: Carbamazepine or oxcarbazepine
MRI brain is mandatory to rule out: demyelinating disease (MS), cerebellopontine angle tumor, or carotid aneurysm compressing the nerve root
If neurovascular compression is found on MRI: surgical microvascular decompression may be curative

2. EAGLE SYNDROME (Elongated Styloid Process)

This is the second most important diagnosis - and can closely mimic glossopharyngeal neuralgia.

From Cummings Otolaryngology and Bradley & Daroff's Neurology:

Caused by an elongated styloid process (>2.5 cm) or ossified stylohyoid ligament compressing CN IX
Pain is typically in the ear, throat, or retromandibular region - matching your description exactly
Provoked by: swallowing, turning the head, carotid compression
Often occurs after tonsillectomy (scar tissue + styloid)
Pain is more persistent and dull than classic glossopharyngeal neuralgia, and may come with:
- Foreign body sensation in the throat
- Dysphagia (difficulty swallowing)
- No visible lesion

Diagnosis: Panoramic dental X-ray or CT neck showing styloid process >2.5 cm Treatment: Surgical shortening of the styloid process

3. TMJ (Temporomandibular Joint) Dysfunction

Pain at the angle of the jaw that radiates to the ear is a hallmark
However, TMJ pain is usually aching and constant, not paroxysmal
Worsened by chewing, mouth opening, jaw clicking
Tenderness on palpating the preauricular area and masseter muscle
No visible oral lesion - typical of myofascial pain dysfunction

4. Parotitis (Parotid Gland Inflammation)

From the differential table in Cummings:

Constant aching pain, worse when eating (salivary stimulus)
Pressure sensation at the angle of the jaw/in front of ear
Earlobe may be elevated (gland swelling)
Can present without obvious visible lesion early on
Could be due to a stone (sialolithiasis) - sudden pain with meals that then eases

5. Nasopharyngeal Carcinoma (Trotter's Syndrome) - Must Exclude

Aching pain in the ear, side of face, lower jaw
Associated with deafness, nasal obstruction, cervical lymphadenopathy
May have no obvious oral lesion visible on cursory exam
Urgent ENT referral needed if suspected, especially with unilateral symptoms

The Key Distinguishing Questions

Feature	Glossopharyngeal Neuralgia	Eagle Syndrome	TMJ
Pain character	Electric, stabbing, seconds	Dull, persistent, aching	Aching, constant
Triggered by swallowing?	Yes	Yes	No
Triggered by chewing?	Sometimes	Sometimes	Yes
Duration	Seconds to 2 min	Prolonged	Hours
Foreign body sensation throat?	No	Yes	No
After tonsillectomy?	No	Often	No
Postauricular/behind ear?	Yes	Yes	Sometimes

What Needs to Be Done Now

MRI brain with contrast - to rule out CN IX compression by a tumor, vascular loop, or demyelination
CT neck / Panoramic X-ray - to measure styloid process length (rules out Eagle syndrome)
ENT or Neurology referral - urgent
If glossopharyngeal neuralgia confirmed: start carbamazepine 100-200 mg twice daily and titrate
Palpate the tonsillar fossa - in Eagle syndrome, pressing on the tonsillar region can reproduce the pain

This pain pattern requires specialist evaluation. The fact that it radiates precisely along the angle of the mandible to behind the ear, with no lesion, makes glossopharyngeal neuralgia or Eagle syndrome the leading diagnoses - both of which are treatable once identified.

(Sources: Cummings Otolaryngology Head and Neck Surgery; Bradley & Daroff's Neurology in Clinical Practice; Scott-Brown's Otorhinolaryngology Head & Neck Surgery)

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