Earlier this week, I did the scabies treatment, and it wasn't as bad as I had dreaded it to be. You put a medicated lotion/cream on your entire body from the chin down (under fingernails, armpits, soles of feet - everywhere), leave it on overnight, and then wash it off. Then they recommend washing in hot water all the clothes, sheets, and towels you've used in the last two days. The cream made my skin tingle some, but other than that it was OK. My new washer and dryer got a workout; I don't think I've done so many consecutive loads of laundry before in my life. Scabies actually are fairly "fragile", and most websites I read said that scabies can only last 24-72 hours at the most without a host, and usually they are only spread by direct skin-to-skin contact. That is apparently why you don't have to do a whole house disinfection.
After reading all about scabies, I'm still not sure if I had them or not. First of all, I'm not sure where I could have gotten it. Maybe on the Amtrak train? Maybe from the hotel sheets in Mexico? Maybe from kissing all those people in Mexico? :-) I wonder if they can live in a pool that's not properly chlorinated (Mexico again)? All of those situations fall in the 2-6 week time frame, but none of them fit the "direct skin-to-skin contact" requirement it doesn't seem, and I can't really think of any "skin-to-skin" scenarios. I did itch quite a bit, but it wasn't keeping me awake, which some sites said they would do. Maybe they hadn't gotten bad enough yet. There did seem to be a correlation between doing the treatment and the itching not being as bad, but it was only a correlation and not a proven causation. I guess I will never know for sure. "Usually" you can not get them through handshakes and brief hugs, but just in case I did have scabies and they beat the transfer odds, if you've seen me in the last 6 weeks, be on guard for unbearable itching symptoms!
Speaking of human parasites, if you're going to get one, probably scabies isn't so bad. You do NOT want bed bugs. Those suckers can live for up to 18 months without a host, only come out to feed about once every 5 days, and they can hide in all kinds of cracks and crevices from what I read. Fleas too can apparently live weeks without a host. Sure, the symptoms of scabies are worse, but I think I would prefer that to living in fear of other parasites reoccurring months or even a year later. Maybe a tapeworm would be preferred over scabies though? I've never had one, so I don't know......