Painful ears (otalgia) Flashcards
Otitis externa Furunculosis Bullous myringitis Barotrauma (aerotitis) TMJ dysfunction
What are the causes of otitis external?
Infection Conditions causing itch: - Psoriasis - Seborrhoeic dermatitis - Contact dermatitis - allergic + irritant High humidity Moisture Absence of wax Narrow ear canal Hearing aids
What are common causative organisms of OE
Pseudomonas
S aureus
How can OE present?
Ear pain
Itch
Discharge
What is seen on otoscopy in OE?
red swollen or eczematous canal
What is the initial management of oe
Ear irrigation
Analgesia for sx (P or I)
Topical abx +/- topical CS
What is management of severe OE w narrowed ear canal?
Ear wick
What are complications of OE?
malignant/necrotising OE
hearing loss and canal stenosis
When would you consider a biopsy in OE?
If it resistant to rx as can be a sign of malignancy
Who is at risk of developing malignant/necrotising OE?
diabetics
immunosuppressed
elderly
all w persistant unilateral OE
what is malignant/necrotising OE/
aggressive life threatening inf of the eternal ear that can lead to temporal bone destruction and osteomyelitis
What is usually the causative organism of malignant/necrotising OE?
Pseudomonas aeruginosa
What is the rx of malignant/necrotising OE
surgical debridement
systemic abx
specific Igs
possibly hyperbaric oxygen therapy
What is furunculosis?
painful staph abscess arising in a hair follicle
What is an important predisposing factor to furunculosis?
diabetes
What is the treatment of furunculosis w cellulitis present?
flucloxacillin