Otitis externa (external otitis) - an infectious-inflammatory
disease of the external ear canal. This disease is caused by damage or remove the surface protective layer of the ear move.
Types of otitis externa
External otitis may develop acute and diffuse form. Acute otitis externa arises when introducing infections into the sebaceous glands and hair follicles located in the fibro-cartilaginous part of the external auditory meatus.
Acute otitis externa is divided into primary and secondary. Primary otitis media develops during infection of any violations integrity of the skin of the external auditory canal. Secondary acute otitis media is caused by chemical and thermal burns of origin. Etiological cause of the disease can be staphylococci, Proteus, Escherichia coli, Klebsiella.
Diffuse (diffuse) external otitis often develops in purulent otitis media in the chronic form as a result of the introduction in the subcutaneous fat of the auditory meatus various fungi and bacteria.
Very rarely can develop a dangerous complication - malignant external otitis. This complication arises from the spread of bacterial infection bone located around the ear canal, where the bacteria enter into the structures of the skull base. This type of otitis externa often develops diabetes, HIV infection, when a weakened immune system.
Inflammatory reactions in the ear canal and the sink itself can manifest in the form of dermatitis, eczema, perihondrita, otgematomy or boils.
Eczema can occur for the ear, the skin around the ear canal
. Usually eczema occur first outside and then go inside the ear
. Eczema in acute otitis externa affects the entire surface of the outer ear
. When perichondrium inflammatory process extends to the skin, but also captures the cartilage and perichondrium
. When spacing the pinna infections may increase due to swelling and edema
. When otgematome pinna is deformed as a result of injury or blunt impact to the ear
. Otgematoma often occurs in paralyzed people
. The essence of the disease is bleeding between cartilage and perichondrium
. Boils in the outer ear can occur in contact with staph skin in the scalp when combing, using various objects for scratching the ear
. When otomikomize auditory canal is affected by fungal infection
. After contact with the fungus inside the ear feels the itch, the top layer of skin peeled ear
The causes of otitis externa
The causes of infection and inflammation of the skin of the ear canal include skin diseases (psoriasis, eczema, seborrhea), allergies, bone growths of the ear canal. External otitis can develop during long-term wearing headphones, while scratching the skin of the ear of the pencil stroke, ear sticks, nails, pins, with excessive sweating as well as under the influence of shampoo, soap, bubble bath.
Risk factors for the development of otitis externa include diabetes mellitus, chemotherapy, organ transplants, AIDS work in the wet and hot room, swimming, unsustainable use of ear drops.
Symptoms of otitis externa
otitis externa include green or dark gray discharge from the ear canal, hearing loss, ear pain. Pain is usually worse when pulling the ear lobe, with pressure on the cartilage projection to the ear. When external otitis there is swelling and redness of the skin of the ear move, itching in the ear. Very often when the disease is swollen lymph nodes, the body temperature rises, and at the side of the skin surface appears circular painful formation.
The most common symptoms of otitis externa with proper treatment gradually weaken and disappear.
Treatment of otitis externa
If you suspect that an external otitis at home you can try to move the ear gently rinse with warm saline or a mixture of water and white vinegar. To remove the itch you can use non-prescription drugs (ibuprofen, naproxen, acetaminophen).
If the ear pain intensified, the skin of the ear canal swelling, red and sore, and discharge from the ear have an unpleasant odor, it is necessary to address urgently to the clinic spetsialistu.V laboratory will determine the pathogen that caused the inflammation, and appoint treatment.
Bacterial external otitis ointments and antiseptic solutions containing corticosteroids and antibiotics. When fungal otitis externa ointments and antifungal solutions.
The treatment of otitis externa in a child
When external otitis child becomes whiny, petulant. He sleeps poorly and complains of pain in the ear.
When otitis child must provide adequate nutrition and complete rest. It is recommended to give the child a multivitamin for immunity.
For the treatment of otitis externa in a child otolaryngologist usually prescribes 3% alcohol or levomitsetinovuyu and siptomitsinovuyu emulsion. Impregnated with alcohol or gauze emulsion turundy lay in the auditory canal. In the advanced stage of the disease the doctor may prescribe antibiotics and sulfa drugs.