What Is The Reason For Feeling Unconscious After Eating Medicine?

I had went to appolo hospital for treatment of head 3 weeks ago. doctor had given medicine to me. but after eating that medicine i felt unconcious and i felt scared and i left having medicine 2 weeks ago. I did MRI and CT SCAN and i want to show these reports to the department's senior neuro doctor. how can i have an appointment with him. i am from nepal