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Ian wrote:
On 20 Dec, 16:04, "HL Falbaum" wrote: "Ian" wrote in message ... On 19 Dec, 14:50, jodom wrote: I've reviewed the relief band in the context of my experience as a glider pilot. I'd love to hear comments from other pilots about their experiences. I sail as well as flying, and am cursed with rotten sea-sickness. I tried the pressure bands and they did have some effect, but the only thing that works effectively for me is transdermal hyoscine - Scopaderm patches. When they went off the market for a few years I had to give up sailing. I've never needed or tried them for flying though. Would suggest that being PIC and the potential effects of Scopolamine/ Hyocyamine are not compatible. Effects are subtle and variable from time to time as well as from individual to individual. Not at all benign for flying--or driving, or running dangerous machinery. I think the "potential" bit is important. It would be daft to go flying without knowing the effects of this - or any - medication. However, having had dozens of those little patches behind my ears for, cumulatively, months of my life, I am happy with them and quite confident that I could fly or drive with them. The same may not go for others, of course. They take 24 hours to get up to full power anyway, so anyone trying them should have reasonable warning of side effects. In flight air-sickness would, I suspect, be far more dangerous. Ian Scopolamine not only causes tiredness it can also cause blurred vision and dilates the the pupils which are also reasons not to use it while flying. Wayne Hoover |
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On 26 Dec, 19:36, Wayne Hoover wrote:
Scopolamine not only causes tiredness it can also cause blurred vision and dilates the the pupils which are also reasons not to use it while flying. Indeed - if one is so affected. If one is not so affected, no problem. Ian |
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On Dec 27, 12:33 pm, Ian wrote:
On 26 Dec, 19:36, Wayne Hoover wrote: Scopolamine not only causes tiredness it can also cause blurred vision and dilates the the pupils which are also reasons not to use it while flying. Indeed - if one is so affected. If one is not so affected, no problem. As a physician and aviation medical examiner I wish to demur as clearly as possible from any recommendation to use scopalamine for motion sickness while flying. 1: Users of perfomance-decreasing drugs are almost never aware of mild impairments that are nevertheless easily measured in formal testing. Therefore to say, 'try it and if you don't feel it affects you' is to perpetuate personal cluelessness. 2: scopalamine is a prohibited medication per FAA aeromedical rules, so if you have an incident and are found to have been using it, be aware that your insurance may not cover you, and you may face enforcement action on your licence if you survive. The non-requirement of medical certification for glider pilots is not permission to fly impaired. Every pilot is required by FARs to refrain from flying with any unsafe condition. 3: scopalamine has an incredibly long persistence in the body. For example, years ago, I put a patch on my teenage daughter before an airplane trip because she feared motion sickness. She became drowsy after a couple of hours, and I peeled it off promptly. She spent most of the next two days sleeping off and on. She said she 'felt fine' (see point 1). 4: I would no more fly with a pilot using scopalamine than I would fly with a pilot who just had a glass of wine. 5: Air force and astronaut use of scopalamine is done because of the nature of the mission, and the fact that motion sickness can be literally incapacitating - when the choice is between incapacitation and decreased function, and one can't abort the mission, the choice is no choice at all. But the fact that it's used in severe situations does not mean it's a good idea in recreation! 6: If I knew that a physician colleague had actually recommended scopalamine for a pilot, and an incident had occurred, I would be unhappily willing to serve as an expert witness against that colleague. (It is a standard of medical practice to do no harm.) Dan Johnson md |
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On Dec 27, 6:54*pm, danlj wrote:
As a physician and aviation medical examiner I wish to demur as clearly as possible from any recommendation to use scopalamine for motion sickness while flying. snip So would you say the mild, unnoticeable impairment is worse than vomiting repeatedly over the controls? What would you say to the pilot faced with such a choice? Dan |
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On Dec 27, 7:59*pm, Dan G wrote:
On Dec 27, 6:54*pm, danlj wrote: As a physician and aviation medical examiner I wish to demur as clearly as possible from any recommendation to use scopalamine for motion sickness while flying. snip So would you say the mild, unnoticeable impairment is worse than vomiting repeatedly over the controls? What would you say to the pilot faced with such a choice? If I read Dan G correctly, he has said that just because a person that has taken the scopalamine thinks they are unaffected doesn't mean that's actually the case. They might actually be suffering considerable impairment. Quite how someone who suffers airsickness gets over it is another matter. I suspect a lot of them move on to some other sport. |
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On Dec 27, 6:54 pm, danlj wrote:
2: scopalamine is a prohibited medication per FAA aeromedical rules, so if you have an incident and are found to have been using it, be aware that your insurance may not cover you, and you may face enforcement action on your licence if you survive. The non-requirement of medical certification for glider pilots is not permission to fly impaired. Every pilot is required by FARs to refrain from flying with any unsafe condition. You piqued my interest in the US rules so I went looking for them. As far as I can see there is no such thing as a "prohibited" medications list in FAA regs. I did find, in Title 14 Part 91, the following: 91.17 Alcohol or drugs. (a) No person may act or attempt to act as a crewmember of a civil aircraft-- (1) Within 8 hours after the consumption of any alcoholic beverage; (2) While under the influence of alcohol; (3) While using any drug that affects the person's faculties in any way contrary to safety Also on the FAA website a guidance note on OTC medicines: http://www.faa.gov/pilots/safety/pil...flying_web.pdf Which makes it clear that a pilot should not fly if using a drug that lists drowsiness as a side-effect. All the new-generation "non-sedating" antihistamines list "drowsiness" as a side-effect and I personally know several pilots who use them for hay-fever relief :-/. Dan |
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On Dec 28, 12:30*am, Bullwinkle wrote:
Examples of meds that can't be used at all, regardless of side effects, or effects of the underlying disorder: * * Antidepressants * * Antipsychotics * * Muscle relaxers * * Antiseizure meds (whether or not there is a seizure disorder) * * Sleeping pills (duh!) * * Narcotic pain killers * * etc. etc. There are many like this, also. Sometimes history of use of these meds requires a waiver ("special issuance", in FAA lingo), sometimes just a waiting period after the last dose. Can you or anyone else link to this list please? Dan |
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On Dec 27, 6:30 pm, Bullwinkle wrote:
For what it's worth, you should get competent advice from someone who knows before flying after use of any meds. But the truth of the matter is, FAR 61.53 makes you your own flight surgeon, by placing the responsibility for medically grounding and ungrounding, squarely on you. Again, I recommend you make this kind of decision only after seeking competent advice (which, in some cases is not your local AME: many of them do so few medicals and have such little aviation medicine expertise that they just don't know, no matter how well meaning they are). Amen. I wasn't going to take the time to add anything to this thread, but can't resist a summary. Pilots may be: 1: Unimpaired 1B: Unaware of impairment (feels the same as unimpaired) 1C: "Potentially" impaired (by meds, fatigue, etc.) 2: Impaired and aware of it. 2B: Able to compensate or escape to safety 2C: Unable to compensate or escape Advice-givers should generally refrain from recommending anything that could be associated with potential impairment (see elsewhere in this thread for instances of such). Pilots are responsible for self-assessment, but as this is difficult (impossible to do objectively), should seek and welcome observations and counsel of others in the decision not to fly. Example of "medical" impairment: Simply stay sober while watching other people consume ("medical") alcohol at a social gathering. If you're watching carefully, just ONE drink changes the verbal and motor performance of everyone except a daily-drinker. They s-l-o-w d-o-w-n mentally, physically, verbally. Example of physical impairment relevant to this thread: motion sickness and the sopite syndrome (motion-induced drowsinesss): I get very sleepy before I get sick; vomiting on my shirt on final (which I've done) is not as distracting, in my experience, as experiencing micro-sleep while thermaling (which I've done). I realized this spring that this is getting worse for me; one April day at 3000 agl, I forced myself to make 2 decisions: one, to return, land, and stow the glider; two, to decide whether I should quit soaring. My decision is relevant to the suggestion by some that motion-sickness drugs are all right because they help, because the impairment of drug (undetected by the user) is less than the impairment of the motion sickness (unavoidable and distracting). My decision was to *acclimate*, not to take medications - the 'treatment' was to take soaring flights more often, briefly, to acclimate to motion sickness, and to drink a cup or two of coffee before lunch (caffeine has been shown to enhance performance slightly) on soaring days. As an AME, physician, and opinionater, I feel quite safe in recommending that one acclimitize. There are ways to do this other than flying; I know of an aerobatic pilot who stood on his head several times a day to maintain acclimation during non-flying periods; or play that involves spinning and jumping should also help. On the other hand, I do not feel quite safe in recommending that anyone fly when potentially or actually impaired. In saying this, I realize that some tasks are simple and hard to mess up, e.g., local soaring on a sunny calm day. And other tasks are exceedingly complex, e.g., single-pilot hand-flown IFR in IMC, at night, in rain or snow, to minimums, in a complex turbocharged airplane, or contest flying on the ridge with complex navigation and planning tasks. (We just lost a colleague in NZ like this, obviously one factor went undetected; what it was, we'll never know.) Thus "Impairment" is relative to the task at hand. Best wishes, Dan Johnson |
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