For about a month now I've been getting a strange odor in my nose. I can sometimes taste it too. It's every bit as strong as Ammonia, but a different smell. It causes me to get a little weak and very dizzy. I have to sit down and breathe through my mouth for 2 or 3 minutes and it goes away, but sometimes leaves a headache behind with migraine type symptoms like the blurring of vision. It started out only once a day, but now I get multiple episodes. Today I've about 7 in the last 11 hours. I notice my sides tend to get warm and my wrists and hands almost feel like they are growing inside. Just recently I have noticed when the episode is bad the right side of my face twitches uncontrollably for a few minutes.