Hello! Welcome. We're sorry your daughter is having this issue! I'm glad you are working with doctors on this but sorry it hasn't resolved. It sounds like they are medically treating conditions that would cause her to want to clear her throat and while they may not have hit upon the direct cause yet, they are ruling things out. One thing to consider is that in a child her age, stress can also cause this. Do you keep a journal regarding this to chart when it is worse? Perhaps it never changes but you may find certain times of day such as when she is alone in her room to be worse than other times like at the dinner table. Throat clearing can also be a sign of asthma in some kids. I would continue to press for answers with an allergist being perhaps another specialty to work with.