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Rockville, MD
A 40-year-old female asked:

How many hours do i need to space between 200mg doses of tessalon perles (benzonatate)?

1 doctor answer2 doctors weighed in
Dr. Gregory Patrick
46 years experience
4 hours: Tessalon usually starts working within 20 minutes of taking it with a duration of action of 3 - 8 hours. I would not take it more frequently than every 4 hours. Overdose is not generally a problem but the typical maximum dose is 600 - 800 mg per day.

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Last updated Mar 30, 2020
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