Thank you, for this important addition to the list of necessary preparedness.
A well stocked but light medi-kit will cost about $250: with bandages(san-pads), ~20x30" moisture barriers for seating and bedding and temp. wound/rash/bleeding protection and wind-proof scarf/muffler, tapes and elasti-wraps, all kinds of ointments and goos for all itches, lice, cuts and bumps, pills of all kinds plus 2-4 weeks of your own meds(get samples &/or get an extra month and rotate), douche/enema kits/bulbs (the child bulb makes for a great eye wash tool using distilled water only then sterile eye wash, medical needle and thread kits(I have yet to get mine), 1 quart peroxide(rotate), same for isopropyl, lots of DEET, Raid Flying Insect Spray, 2-5 yars of mosquito/no-see-um netting with para-cord and 100 mph duct tape(I like olive), 2-3shower curtails plus 2 clear liners, for water capture mainly, sharp scissors, Swiss Army kinf, Petzl Plus headlamp, serrated combat knife such a Gerber's LMF II, Gerber's sitch-blade hand saw kit with bone (Can you pictrure amputating someone's limb?) and wood blades, very sharp felling ax for shelter and canes and slints and crutches, eye protection - swim goggles small and large, masks - P95 and N100, on and on and on. Include 4 liters of water with a 1 liter straw-filter bottle rated up to ~20 gallons This water and filter bottle adds 10#. Always carry bottled water in any medi-kit because dehydration is assured; saving a life with a timely pint or two of water is really cool. I also carry 1/2 pound of granulated sugar and 1/2# Swiss Miss to give "starving" kids and others a bit of energy.
I have in emergency orange and hand-carry 8x10x16" bag with shoulder strap as my cool stuff first reponder kit ~$400, and a 36x18x16" bag in which I keep all bulk bandaging, gauzes, bulk gloves, shower curtains, handpump water filter, jerky, fruit cans, tools, and a 10x12'tarp with alum tent pegs and gimlet with screw eyes for tieing to trees ~$300, and in a medium frameless backpack my emergency medi-kit, ~$250.
You'll need a dry spot on which to sit/recline and shade/rain/snow/wind protection. 55 gallon trash bags allow for storing wet/muddy "tarps.
Folks, act now, this week, this month, this years, because we can be nuked this afternoon. Always, plan on sharing with a deserving person with nothing, not even hope, and plan on killing a predetor or 10, with hardly a soul among them.
I can fill my Suburban and trailer with all my homesteading bugout gear or I can run on foot, but with planned and practiced redundancies, I know that I can likely live for 2 weeks with any bugout bag I grab.
If you're lucky, you can find a trained medical professional to supply.