I actually found the neatest solution to this, the local chain of pharmacies (Duane Reade now owned by Walgreens or someone else) carries single doses of aspirin, benedryl, heart burns and one or two other meds in a powdered form in nice flat plastic envelops. They're a bit expensive, but flat and convenient.
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A gentleman should always be able to break his fast in the manner of a gentleman where so ever he may find himself.--Good Omens