79 year old man, overweight, vision starts to look a kaleidoscope in noncolor, then eyes are wide open, mouth has strange smile, he becomes nonresponsive. can shake him or throw water in the face and he will come back after a while. says right before he sees the kaleidoscope and becomes very tired. takes amlodipine, metformin, and lisinopril hctz. seems to occur after eating sausage of some sort. could a spice be interferring with the medicine?