I have been on Symbicort for years and I have noticed within the past two to three months of my voice being scratchy. My doctor put me on Dulera and I have never heard of it and want to know of effects this inhaler has on people. I had asthma as a child and through adulthood and did not have for about 10 years and now I tend to wheeze at night and sometimes in the morning. Sill wheeze in the cold.