| Description | Disease |
| Inflammation of the meninges | |
| Idiopathic endolymphatic hydrops | |
| Brain damage secondary to unconjugated hyperbilirubinemia | |
| Chronic adrenal insufficiency | |
| Idiopathic, sudden unilateral facial paralysis (suspected to be assosciated with viral infection) | |
| Pathological activation of coagulation mechanisms | |
| Pituitary ACTH hypersecretion | |
| | Description | Disease |
| Acetylcholine receptor auto-antibodies and the resultant muscle weakness | |
| Thiamine deficiency leading to neurological sequela | |
| Inflammation of the paranasal sinuses | |
| Occlusion of a pulmonary vessel from a embolis | |
| Coronary artery vasospasm | |
| Deficiency or insensitivity of ADH | |
|