Associations that have been reported as causing raised Intracranial pressure15 25
| Haematological | Anaemia Polycythaemia vera |
| Obstruction to venous drainage | Cerebral venous sinus thrombosis |
| Jugular vein thrombosis | |
| Superior vena cava syndrome | |
| Jugular vein ligation following bilateral radical neck dissection | |
| Increased right heart pressure | |
| Arteriovenous fistulas | |
| Previous infection or subarachnoid haemorrhage causing decreased CSF absorption | |
| Medications | Fluoroquinolones |
| Tetracycline class antibiotics | |
| Corticosteroid withdrawal | |
| Danazol | |
| Vitamin A derivatives (including isotretinoin and all-transretinoic acid) | |
| Levothyroxine | |
| Nalidixic acid | |
| Tamoxifen | |
| Ciclosporin | |
| Levonorgestrel impant | |
| Lithium | |
| Growth hormone | |
| Indomethacin | |
| Cimetidine | |
| Systemic disorders | Chronic kidney disease/renal failure |
| Obstructive sleep apnoea syndrome | |
| Chronic obstructive pulmonary disease | |
| Systemic lupus erythematosus | |
| Psittacosis | |
| Endocrine | Addison’s disease |
| Adrenal insufficiency | |
| Cushing’s syndrome | |
| Hypoparathyroidism | |
| Hypothyroidism | |
| Hyperthyroidism | |
| Syndromic | Down syndrome |
| Craniosynostosis | |
| Turner syndrome |