Dont know what its called. Pls help.

Today mornings i and my friend had big fight because a miss confusion at moment my friend suddenly told that she was feeling Dizziness after which i just sat beside her and tried to concol her but then she became like a statue and she stopped talking to me after i thought of giving her maza or some juice as i thought it would be better for her dizziness condition l.we walked for the store which was about 100 meters away but on the whole journey she didn't spoke a word and was walking like a body with no life.then she had maza which i gave her and then we crossed the main road .After which i thought of seating so that she could get some rest. after that when i tried to have a conversation with her suddenly she came back and replied to me. When i asked what had happened to her then se replied that she doesn't remember any thing and she was like suprised hearing that se had a maza and walked so long but she didn't remember any thing. I don't know what she is suffering from pls help.