diff --git a/code/game/dna/dna_modifier.dm b/code/game/dna/dna_modifier.dm
index 63142845a50..9b396396a8e 100644
--- a/code/game/dna/dna_modifier.dm
+++ b/code/game/dna/dna_modifier.dm
@@ -468,7 +468,7 @@
 			else
 				randmuti(src.connected.occupant)
 
-		src.connected.occupant.apply_effect(((src.radiation_intensity*3)+src.radiation_duration*3), IRRADIATE)
+		src.connected.occupant.apply_effect(((src.radiation_intensity*3)+src.radiation_duration*3), IRRADIATE, check_protection = 0)
 		src.connected.locked = lock_state
 		return 1 // return 1 forces an update to all Nano uis attached to src
 
@@ -562,7 +562,7 @@
 			block = miniscrambletarget(num2text(selected_ui_target), src.radiation_intensity, src.radiation_duration)
 			src.connected.occupant.dna.SetUISubBlock(src.selected_ui_block,src.selected_ui_subblock,block)
 			src.connected.occupant.UpdateAppearance()
-			src.connected.occupant.apply_effect((src.radiation_intensity+src.radiation_duration), IRRADIATE)
+			src.connected.occupant.apply_effect((src.radiation_intensity+src.radiation_duration), IRRADIATE, check_protection = 0)
 		else
 			if	(prob(20+src.radiation_intensity))
 				randmutb(src.connected.occupant)
@@ -570,7 +570,7 @@
 			else
 				randmuti(src.connected.occupant)
 				src.connected.occupant.UpdateAppearance()
-			src.connected.occupant.apply_effect(((src.radiation_intensity*2)+src.radiation_duration), IRRADIATE)
+			src.connected.occupant.apply_effect(((src.radiation_intensity*2)+src.radiation_duration), IRRADIATE, check_protection = 0)
 		src.connected.locked = lock_state
 		return 1 // return 1 forces an update to all Nano uis attached to src
 
@@ -627,10 +627,10 @@
 
 				//testing("Irradiated SE block [real_SE_block]:[src.selected_se_subblock] ([original_block] now [block]) [(real_SE_block!=selected_se_block) ? "(SHIFTED)":""]!")
 				connected.occupant.dna.SetSESubBlock(real_SE_block,selected_se_subblock,block)
-				src.connected.occupant.apply_effect((src.radiation_intensity+src.radiation_duration), IRRADIATE)
+				src.connected.occupant.apply_effect((src.radiation_intensity+src.radiation_duration), IRRADIATE, check_protection = 0)
 				domutcheck(src.connected.occupant,src.connected)
 			else
-				src.connected.occupant.apply_effect(((src.radiation_intensity*2)+src.radiation_duration), IRRADIATE)
+				src.connected.occupant.apply_effect(((src.radiation_intensity*2)+src.radiation_duration), IRRADIATE, check_protection = 0)
 				if	(prob(80-src.radiation_duration))
 					//testing("Random bad mut!")
 					randmutb(src.connected.occupant)
@@ -752,7 +752,7 @@
 				src.connected.occupant.dna.SE = buf.dna.SE
 				src.connected.occupant.dna.UpdateSE()
 				domutcheck(src.connected.occupant,src.connected)
-			src.connected.occupant.apply_effect(rand(20,50), IRRADIATE)
+			src.connected.occupant.apply_effect(rand(20,50), IRRADIATE, check_protection = 0)
 			return 1
 
 		if (bufferOption == "createInjector")
diff --git a/code/game/objects/items/weapons/dna_injector.dm b/code/game/objects/items/weapons/dna_injector.dm
index 7c685a9e1d4..484c185a14a 100644
--- a/code/game/objects/items/weapons/dna_injector.dm
+++ b/code/game/objects/items/weapons/dna_injector.dm
@@ -65,7 +65,8 @@
 
 /obj/item/weapon/dnainjector/proc/inject(mob/M as mob, mob/user as mob)
 	if(istype(M,/mob/living))
-		M.radiation += rand(5,20)
+		var/mob/living/L = M
+		L.apply_effect(rand(5,20), IRRADIATE, check_protection = 0)
 
 	if (!(NOCLONE in M.mutations)) // prevents drained people from having their DNA changed
 		if (buf.types & DNA2_BUF_UI)
diff --git a/code/modules/mob/living/damage_procs.dm b/code/modules/mob/living/damage_procs.dm
index 2f0d30ce2cc..f8ab31807bb 100644
--- a/code/modules/mob/living/damage_procs.dm
+++ b/code/modules/mob/living/damage_procs.dm
@@ -41,7 +41,7 @@
 
 
 
-/mob/living/proc/apply_effect(var/effect = 0,var/effecttype = STUN, var/blocked = 0)
+/mob/living/proc/apply_effect(var/effect = 0,var/effecttype = STUN, var/blocked = 0, var/check_protection = 1)
 	if(!effect || (blocked >= 2))	return 0
 	switch(effecttype)
 		if(STUN)
@@ -53,7 +53,7 @@
 		if(AGONY)
 			halloss += effect // Useful for objects that cause "subdual" damage. PAIN!
 		if(IRRADIATE)
-			var/rad_protection = getarmor(null, "rad")/100
+			var/rad_protection = check_protection ? getarmor(null, "rad")/100 : 0
 			radiation += max((1-rad_protection)*effect/(blocked+1),0)//Rads auto check armor
 		if(STUTTER)
 			if(status_flags & CANSTUN) // stun is usually associated with stutter
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Dispenser.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Dispenser.dm
index 7a882fa94e1..be5051953e4 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Dispenser.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Dispenser.dm
@@ -253,7 +253,7 @@
 			if(prob(5))
 				M.antibodies |= V.antigen
 				if(prob(50))
-					M.radiation += 50 // curing it that way may kill you instead
+					M.apply_effect(50, IRRADIATE, check_protection = 0) // curing it that way may kill you instead
 					var/absorbed = 0
 					var/obj/item/organ/diona/nutrients/rad_organ = locate() in M.internal_organs
 					if(rad_organ && !rad_organ.is_broken())
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
index ba86ba1bb2a..f1c82a900ad 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
@@ -1166,7 +1166,7 @@
 
 /datum/reagent/ethanol/vodka/affect_ingest(var/mob/living/carbon/M, var/alien, var/removed)
 	..()
-	M.radiation = max(M.radiation - 1 * removed, 0)
+	M.apply_effect(max(M.radiation - 1 * removed, 0), IRRADIATE, check_protection = 0)
 
 /datum/reagent/ethanol/whiskey
 	name = "Whiskey"
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
index 9644528e0c1..b2cd248b257 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
@@ -344,7 +344,7 @@
 	scannable = 1
 
 /datum/reagent/hyronalin/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
-	M.radiation = max(M.radiation - 30 * removed, 0)
+	M.apply_effect(max(M.radiation - 30 * removed, 0), IRRADIATE, check_protection = 0)
 
 /datum/reagent/arithrazine
 	name = "Arithrazine"
@@ -357,7 +357,7 @@
 	scannable = 1
 
 /datum/reagent/arithrazine/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
-	M.radiation = max(M.radiation - 70 * removed, 0)
+	M.apply_effect(max(M.radiation - 70 * removed, 0), IRRADIATE, check_protection = 0)
 	M.adjustToxLoss(-10 * removed)
 	if(prob(60))
 		M.take_organ_damage(4 * removed, 0)
diff --git a/code/modules/virus2/effect.dm b/code/modules/virus2/effect.dm
index e023beef802..c111bf6657b 100644
--- a/code/modules/virus2/effect.dm
+++ b/code/modules/virus2/effect.dm
@@ -98,7 +98,7 @@
 	maxm = 3
 	badness = 2
 	activate(var/mob/living/carbon/mob,var/multiplier)
-		mob.radiation += (2*multiplier)
+		mob.apply_effect(2*multiplier, IRRADIATE, check_protection = 0)
 
 /datum/disease2/effect/deaf
 	name = "Dead Ear Syndrome"