I have everything worked out with balancing the meds -- I actually have one of the USA's top seizure-researchers as my doctor (have epilepsy). I carry warnings on my keychain, listing of meds and vitamins in wallet, even warning and meds on sticker on back of driver's license (Yes, I can legally drive now).I list medical requirements in my PSK too. I like Leigh's idea about a capsule/container on a dog-tag chain, I presently carry two day's worth in a pill box in my left front pocket, and that I don't like. I am also orderiing "red dog tags" with medical info on them from U.S. Calvary. Whenever I venture out off the pavement, I do carry two weeks worth of meds in the choke tube pouch.
As for worrying people about my vulnerabilities, I stay prepared so I don't. If in the eventuality I run out of meds in a situation, I guess they can put me down like a lame horse to ease their worries.. I have even looked into emergency beacons which are too expensive, but I'm never out of cell phone range anyhow and others are informed beforehand of where I am when out trapsing around in the Tennessee backwoods. I actually wear a custom-made crash helmet ($400) sometimes, but I haven't had a major episode in 4 1/2 years.
But bear in mind I have an open mind and am always open to more suggestions on how better to be prepared given my condition.
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Me, a vegetarian? My set of teeth came with canines.