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NeurologyENT

CSF Rhinorrhoea / Otorrhoea

Identify CSF leak (β2-transferrin), distinguish traumatic vs spontaneous, conservative vs surgical repair, antibiotic role.

Source: ENT UK; ABN

Step 1 of ~5
info

Recognise

Clear unilateral nasal discharge ('halo sign' on tissue paper — central blood ringed by clear fluid), salty taste, postnasal drip, recurrent meningitis. Causes: head trauma (most common), iatrogenic (post-skull base / nasal surgery), tumour, congenital, idiopathic / spontaneous (often associated with raised ICP — IIH).

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only. Always apply local guidelines and clinical judgement.