I have cluster headache and it’s true that smoking have an almost immediate effect but last about an hour or an hour an half . If ingested , it takes about an half hour to produce an effect but last between two to four hours , depends on THC and CBD levels and strains.
Personnaly, when i know that crises is about to come, I am prefering to vaporize my first dose and take canna-edibbles home made for the long lasting effect. And it’s working fine for me. Be aware that cannabis can have side effects, espacelly if combine with antidépresseurs.
I’m not a recreational user, and with the support of my neurologist and family doctor i’m finaly see the end of the tunel.