To everyone who takes Allegra beware that in some people it will cause severe anxiety and depression. I have never had a negative side effect in my life to a drug. I thought I was going off the deep end and then thought about when I started taking Allegra. It was awful. This is to put it mildly. I stopped taking it and was back to normal the next day. I got on line and read and this is pretty common. Don't let anyone tell you that it does not have this side effect because it does in certain people. I just wonder how many people go to the doctor for anxiety and depression when it may actually be something they are taking. Hope this helps someone.View Thread
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