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About how much time does for serevent (salmeterol) inhaler to leave your system?
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Dr. John Overholt
Internal Medicine - Allergy & Immunology
In brief: 12 hours
A standard dose of salmeterol lasts about 12 hours.

In brief: 12 hours
A standard dose of salmeterol lasts about 12 hours.
Dr. John Overholt
Dr. John Overholt
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Dr. Aaron Milstone
Board Certified, Internal Medicine - Pulmonology
23 years in practice
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