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Well the one I listed was procaine (because that's what our stores here carry  mainly), but the reason I prefer injectable over oral (most particularly in the case of the pen's) is to avoid unnecessary harshness to the gut.  In either case, you probably don't want to use eggs as the Pen injectable still goes through their system.  I also don't like to use it often, but I find it irreplaceable in the case of wounds.  In fact, i was reading that with cat bites you should always use Pen - EVEN if you use Baytril because of the deadliness of pasteurella and pen's effectiveness towards it. 
On my list, I worm twice annually with ivermectin.  Fenbendazole aka  SafeGuard, and Levamisole are another two good subs.  But I like ivermectin's actions on external blood-taking parasites and its ease of use. (I hate having to give a med in the beak.)  That's a prevention, but a necessary one.
Probios and other probiotics - I use those weekly for any bird under 5 months, and weekly during the first week of laying (though then I prefer plain yogurt), and I treat them with yogurt occassionally - any time I see more than the occassional funky poop.  They're not at all medicines - they're just living bacteria.  They replace the old method of using milk products that used to be done.
On the antibiotics, I only ever use if I know they're needed or if a bird very very likely has a bacterial issue of the exact type for which the antibiotics work.  I find the veterinary version of drugs.com to be very helpful when making that call.  I do so not really because I dislike any chance of antibiotics getting to humans, but mainly again because antibiotics are hard on the bird (just diseases are harder) and I don't want to risk not being able to use that antibiotic again for something.
The permethrin I'll also use at least once a year whether or not I need it - in the bedding during replacement time.  I'll use ivermectin again if I have lice or mites (along with retreating the premises with permethrin dust).  Or if I suspect worms - which never happens because I worm twice a year.  Wellll I take that back - I was overdue on two hens this year, and then I DID suspect worms - and I wormed (mainly because we had a case of lice from, I suspect, a visiting buzzard or one of the goats) and they gained weight.  I never saw a single worm.  I doubt I ever will even if they have them.  I learned from working at a vet that many animals have worms and will never shed one that we  will ever find.
Otherwise I only use my other items if I have an injury.  Mostly these days, because of quarantining, probiotics, and trying to keep a very closed flock, my Sulmet rarely gets used.
Oh since Lensters added axe and shovel, I'd add Lime ... if you ever have to bury one.  So that way creatures don't dig them up.