Review Article
Reversible Cerebral Vasoconstriction Syndrome: An Important Cause of Acute Severe Headache
Table 2
Secondary precipitants of RCVS [
9ā
12].
| Vasoactive substances | Predisposing conditions |
| Recreational drugs: Cannabis, cocaine, ecstasy, amphetamines, LSD, binge drinking | Pregnancy | Sympathomimetics, nasal decongestants: ephedrine, pseudoephedrine | Eclampsia, preeclampsia | Serotonergic drugs: selective serotonin reuptake inhibitors, triptans | Neoplasia: phaeochromocytoma, bronchial carcinoid, glomus tumour | Immunosuppressants: tacrolimus, cyclophosphamide | Neurosurgery, head injury | Nicotine patches | Hypercalcaemia | Herbal medications: ginseng | Porphyria | Blood products: erythropoietin, immunoglobulin, red cell transfusion | Intracerebral haemorrhage, subarachnoid haemorrhage |
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