Anywhere from 4 to 12 weeks.
If my symptom are side effect from those medicine withdrawal. i would like to know, How long it last ?
Hi and welcome to the Migraines & Headaches Community.
It sounds like withdrawal symptoms. Did your doctor not give you anything to help you through this transition period? If not, then I would call and let them know you are having difficulty and see if they will give you something. Good luck!!