I finally got my dr to treat me with ketamine nasal spray for my rsd,I told her the dosage was 2 sprays 3 to 4 xs a day at 50 mgs per spray.and I received ketamine 10% 1 to 2 sprays 1 or 2 xs daily at 10mgs per spray for headaches.i appreciate getting it but its not enough for me to notice in my opinion,what do u think