Acute localized inflammation of the outer ear
• The most common causative agent is Staphylococcus aureus
• Pain and edema
• Ear pain, itching, canal edema, canal erythema, runny nose and discharge in the outer ear canal
• It usually affects the elderly, diabetics and patients with immunosuppression
• Spreads to deeper tissues, leading to osteomyelitis, base of the skull, meningitis, and brain abscess
• It progresses gradually and is a killer.
• Mycoplasma pneumoniae is important, although viral agents are the most common.
• Patient with cough and earache.
Acute disseminated otitis externa (swimmer's ear)
• The most common causative agent is P. aeruginosa• Pain and edema
• Ear pain, itching, canal edema, canal erythema, runny nose and discharge in the outer ear canal
Malignant or necrotic otitis externa
• The most common causative agent is P. aeruginosa• It usually affects the elderly, diabetics and patients with immunosuppression
• Spreads to deeper tissues, leading to osteomyelitis, base of the skull, meningitis, and brain abscess
• It progresses gradually and is a killer.
Fungal otitis externa (otomycosis)
• The most common causative fungi is Aspergillus (Aspergillus).Bullous Tympanicitis
• It is characterized by the presence of bubbles in the membrane after the story of the upper respiratory tract infection• Mycoplasma pneumoniae is important, although viral agents are the most common.
• Patient with cough and earache.