Pain
Muscle relaxants
Muscle relaxant
Other names: cyclobenzaprine, Flexeril, carisoprodol, Soma, methocarbamol, Robaxin
FAA guidance
Do not fly while taking it.
If used routinely
The examiner should defer
FAA label
DO NOT FLY
Muscle relaxants are on the FAA's Do Not Fly list; if the pilot uses one routinely, the FAA's table says the examiner should defer.
Track your medicationsMore detail: Muscle relaxantsThe rest of Crosscheck's reading, in plain wordsOpen
The FAA's general no-fly wait times say pilots should not fly after the last dose of any medication until 5 times its maximum pharmacologic half-life has passed (preferred), or 5 times the maximum dose interval if the half-life is not available.
Show the FAA's words: Muscle relaxantsThe official FAA wording: three passages, each with its document and dateOpen
DO NOT FLY (DNF) MEDICATIONS
The following medications have aeromedically concerning safety profiles. All medications listed below may cause sedation or drowsiness, impairing cognitive function and seriously degrading pilot performance.
MUSCLE RELAXANTS
Including but not limited to:
carisoprodol (Soma)
cyclobenzaprine (Flexeril)
DO NOT FLY (DNF) MEDICATIONS
AMEs should caution pilots on use and provide additional No Fly wait times where applicable. If applicant is using the following medications routinely, AMEs should DEFER.
GENERAL NO FLY WAIT TIMES
For Aviation safety, pilots should not fly following the last dose of any medications until a period of time has elapsed equal to:
A. 5-times the maximum pharmacologic half-life of the medication (preferred); or
B. 5-times the maximum hour dose interval if pharmacologic half-life information is not available.