I have been taking this for 5 days for Bronchial infection, and i started losing where i was going.. I mean am at the age to forget, I forget where i put stuff, can't sleep, just getting more and more depressed.. and the taste is driving me nuts, am eating just to be rid of taste as long as has food in mouth and chewing i can't taste.not going to take it till see my Dr.. and the headakes, i don't have many till now