Hi. I can relate to how hard it is to start a new medication you are unsure of, especially when there are risks of side effects ... are there specific effects that give you the most concern? It might be useful to talk with your prescribing doctor about your fears and develop a plan for what you will do if you have side effects. That way you can feel more confident. Ultimately, the choice is yours to make. We can never know how a medication will affect us unless we try. If there are issues, it's okay to stop. And if it works well, then great! Regardless of what you decide to do, you have our full support. Let us know. -Melissa, asthma.net team