diff --git a/code/game/gamemodes/changeling/changeling_power.dm b/code/game/gamemodes/changeling/changeling_power.dm
index da5c31fc092..387e7ce9d61 100644
--- a/code/game/gamemodes/changeling/changeling_power.dm
+++ b/code/game/gamemodes/changeling/changeling_power.dm
@@ -87,7 +87,7 @@
 	if(!D)
 		return
 	
-	H.set_species(D.species.type)
+	H.set_species(D.species.type, retain_damage = TRUE)
 	H.dna = D.Clone()
 	H.real_name = D.real_name
 	domutcheck(H, null, MUTCHK_FORCED) //Ensures species that get powers by the species proc handle_dna keep them
diff --git a/code/modules/mob/living/carbon/human/human.dm b/code/modules/mob/living/carbon/human/human.dm
index 80ff83b7d21..fd72a50bca1 100644
--- a/code/modules/mob/living/carbon/human/human.dm
+++ b/code/modules/mob/living/carbon/human/human.dm
@@ -1272,7 +1272,7 @@
 	else
 		to_chat(usr, "<span class='notice'>[self ? "Your" : "[src]'s"] pulse is [src.get_pulse(GETPULSE_HAND)].</span>")
 
-/mob/living/carbon/human/proc/set_species(datum/species/new_species, default_colour, delay_icon_update = FALSE, skip_same_check = FALSE)
+/mob/living/carbon/human/proc/set_species(datum/species/new_species, default_colour, delay_icon_update = FALSE, skip_same_check = FALSE, retain_damage = FALSE)
 	if(!skip_same_check)
 		if(dna.species.name == initial(new_species.name))
 			return
@@ -1325,7 +1325,69 @@
 		if(I)
 			kept_items[I] = thing
 
-	dna.species.create_organs(src)
+	if(retain_damage)
+		//Create a list of body parts which are damaged by burn or brute and save them to apply after new organs are generated. First we just handle external organs.
+		var/bodypart_damages = list()
+		//Loop through all external organs and save the damage states for brute and burn
+		for(var/obj/item/organ/external/E in bodyparts)
+			if(E.brute_dam == 0 && E.burn_dam == 0 && E.internal_bleeding == FALSE) //If there's no damage we don't bother remembering it.
+				continue
+			var/brute = E.brute_dam
+			var/burn = E.burn_dam
+			var/IB = E.internal_bleeding
+			var/obj/item/organ/external/OE = new E.type()
+			var/stats = list(OE, brute, burn, IB)
+			bodypart_damages += list(stats)
+
+		//Now we do the same for internal organs via the same proceedure.
+		var/internal_damages = list()
+		for(var/obj/item/organ/internal/I in internal_organs)
+			if(I.damage == 0)
+				continue
+			var/obj/item/organ/internal/OI = new I.type()
+			var/damage = I.damage
+			var/broken = I.is_broken()
+			var/stats = list(OI, damage, broken)
+			internal_damages += list(stats)
+
+		//Create the new organs for the species change
+		dna.species.create_organs(src)
+
+		//Apply relevant damages and variables to the new organs.
+		for(var/B in bodyparts)
+			var/obj/item/organ/external/E = B
+			for(var/list/part in bodypart_damages)
+				var/obj/item/organ/external/OE = part[1]
+				if((E.type == OE.type)) // Type has to be explicit, as right limbs are a child of left ones etc.
+					var/brute = part[2]
+					var/burn = part[3]
+					var/IB = part[4]
+					//Deal the damage to the new organ and then delete the entry to prevent duplicate checks
+					E.receive_damage(brute, burn, ignore_resists = TRUE)
+					E.internal_bleeding = IB
+					qdel(part)
+
+		for(var/O in internal_organs)
+			var/obj/item/organ/internal/I = O
+			for(var/list/part in internal_damages)
+				var/obj/item/organ/internal/OI = part[1]
+				var/organ_type
+
+				if(OI.parent_type == /obj/item/organ/internal) //Dealing with species organs
+					organ_type = OI.type
+				else
+					organ_type = OI.parent_type
+
+				if(istype(I, organ_type))
+					var/damage = part[2]
+					var/broken = part[3]
+					I.receive_damage(damage, 1)
+					if(broken && !(I.status & ORGAN_BROKEN))
+						I.status |= ORGAN_BROKEN
+					qdel(part)
+
+	else
+		dna.species.create_organs(src)
 
 	for(var/thing in kept_items)
 		equip_to_slot_if_possible(thing, kept_items[thing], redraw_mob = 0)