<human>: I ve been getting very lightheaded, my head starts spinning and it feels like I m going to pass out. My head also starts hurting way on the inside. It lasts about 20 seconds. I almost passed out this time. What do you think is going on? My BP is fine and my blood sugar is fine after these episodes
<bot>: Please provide me following answers in follow up, so I can guide you properly.... is it episodic ? Iz it worsening on position change ? How long you are suffering from? Any history of double vision? Any history of tinnitus or hearing problem ?  So many causes of dizziness and light headdress are there.benign paroxysmal positional vertigo vestibular neuritislabyrinthitis strokebrainstem lesion many more