You have set your question out very well. It is almost certain that your daughter has asthma and her cough is typical of asthma. The question here is why is she not responding to her excellent asthma medicines? She is too 'old' to be on Singulair sprinkles and she should be on the 4mg chewable tablet of Singulair. My guess is that she is not using the Seretide pump correctly. She may have an incorrect spacer for her age. She should be using the Aerochmber yellow spacer with facemask at her age. Please let me know what kind of spacer she is using and if the doctor showed you how to use this spacer with her Seretide.
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