How do you treat persistent headache after RCVS?  

To my knowledge, there are no published studies to guide treatment decisions for headaches related to RCVS. Therefore, I would base treatment on the headache phenotype. In my experience, the most common phenotype is chronic migraine. Literature suggests that a prior migraine diagnosis is a risk fact...

I do not have experience in treating headaches related to RCVS if such a condition even exists, let alone persistent headaches. On several occasions, I have raised the question of the underlying mechanism of headaches attributed to RCVS, but nobody seems to have a plausible answer. It may be helpful...