I'm going to go over all my notes from this thread and make one more attempt at shrinking the kit.  So far, not so muh luck.  One thing I have considered is removing ALL medications.  I dont require and prescriptions so we're talking OTC meds here.  It's hard for me to step outside without experiencing temps in excess of 90*F so Im thinkin maybe it's a waste of space.  Not sure I completely agree that there are dangers in having most OTC meds exposed to those temps.  I read all the warnings and spoken to a parmachist and I get conflicting reports.  
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Learn to improvise everything.