Used with airway clearance (breathing/coughing) they are quite effective. I believe you will find the need for it to be temporary, as you continue to recover. But sometimes a single illness can mean that lungs will be more susceptible to problems in the future, and you may need to go back to using it after future colds or other respiratory events.
Will you let me know if the huff coughing or PEP helps?
Sue

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