Are Antibiotics and Sterile dressings necessary in emergency kits?

[JABpunch]

I'm packing a small kit for emergencies and because of a lack of space I don't have room for a neosporin tube. This got me thinking: In a critical emergency situation, in which reliable help and treatment is on the way, is it really necessary to use antibiotics or even sterile dressings?

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[Apollyon]

Cross posting is against the TOS, and you agreed to this when you signed up.