Guys I'm really worried. I just got up from a nap and again I felt major tension headache on the back of my head. Also my sense of smell is still out. I'm also feeling a tingling sensation in my arms and legs........Funny thing is the headache or pressure is not there when I'm up, just right after waking up from a sleep, it's been like that from 2 days now.....I didn't inhale it to my knowledge............