Aetiology of tubotympanic disease

THE CONTEXT

Tubotympanic disease starts in childhood and is therefore common in that age group.

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The disease can be a sequela of acute otitis media, usually following an exanthematous fever and leaving a large central perforation.

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Infections can ascend through the eustachian tube.

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Infection from the tonsils, adenoids and infected sinuses may cause persistent or recurring otorrhoea.

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Persistent mucoid otorrhoea sometimes results from allergy to ingestants such as milk, eggs and fish.

NEETx

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