Female, Age : 51-60 years old , Reason : anxiety. Side Effects : nausea, headaches, fatigue Review : I've been using equate 4mg nicotine gum for about 7 years and the change that they made to the product this past spring (2010) made me very ill. I bought the new product - thinking nothing would change. I was sick for weeks before I figured out that the gum was making me sick. I cut how much I was using by a quarter and found that all my symptoms went away. Now I cannot find any of the product on the shelf at Walmart at all. I think somebody screwed up in the quality control department.