diff --git a/features/eid_api.lua b/features/eid_api.lua
index 6baf9390..577df302 100644
--- a/features/eid_api.lua
+++ b/features/eid_api.lua
@@ -133,9 +133,15 @@ function EID:addCollectible(id, description, itemName, language)
 	local modName = EID._currentMod
 	-- Glitched Items exception so they don't have a mod name
 	if id > 4294960000 then modName = nil end
+	local fullID = "5.100." .. id
+	if EID.FullyAutomatedDescriptions[fullID] then
+		EID.FullyAutomatedDescriptions[fullID] = nil -- remove vanilla item id from the modular desc list, since it got overriden by this function.
+	end
 	EID:CreateDescriptionTableIfMissing("custom", language)
-	EID.descriptions[language].custom["5.100." .. id] = {id, itemName, description, modName}
-	EID.ItemNames[language]["5.100." .. id] = itemName
+	EID.descriptions[language].custom[fullID] = {id, itemName, description, modName}
+	if itemName then
+		EID.ItemNames[language][fullID] = itemName
+	end
 end
 
 ---Adds a description for a trinket.
@@ -150,9 +156,15 @@ function EID:addTrinket(id, description, itemName, language)
 		EID:WriteErrorMsg("Trying to add trinket description to id = -1, which is not allowed! (Name: "..tostring(itemName).."; Description: "..tostring(description)..")")
 		return
 	end
+	local fullID = "5.350." .. id
+	if EID.FullyAutomatedDescriptions[fullID] then
+		EID.FullyAutomatedDescriptions[fullID] = nil -- remove vanilla item id from the modular desc list, since it got overriden by this function.
+	end
 	EID:CreateDescriptionTableIfMissing("custom", language)
-	EID.descriptions[language].custom["5.350." .. id] = {id, itemName, description, EID._currentMod}
-	EID.ItemNames[language]["5.350." .. id] = itemName
+	EID.descriptions[language].custom[fullID] = {id, itemName, description, EID._currentMod}
+	if itemName then
+		EID.ItemNames[language][fullID] = itemName
+	end
 end
 
 ---Adds character specific information, which can be viewed in the Item Reminder
@@ -245,9 +257,15 @@ function EID:addCard(id, description, itemName, language)
 		EID:WriteErrorMsg("Trying to add card description to id = -1, which is not allowed! (Name: "..tostring(itemName).."; Description: "..tostring(description)..")")
 		return
 	end
+	local fullID = "5.300." .. id
+	if EID.FullyAutomatedDescriptions[fullID] then
+		EID.FullyAutomatedDescriptions[fullID] = nil -- remove vanilla item id from the modular desc list, since it got overriden by this function.
+	end
 	EID:CreateDescriptionTableIfMissing("custom", language)
-	EID.descriptions[language].custom["5.300." .. id] = {id, itemName, description, EID._currentMod}
-	EID.ItemNames[language]["5.300." .. id] = itemName
+	EID.descriptions[language].custom[fullID] = {id, itemName, description, EID._currentMod}
+	if itemName then
+		EID.ItemNames[language][fullID] = itemName
+	end
 end
 
 -- DEPRECATED! Does nothing! Don't use!
@@ -268,14 +286,20 @@ function EID:addPill(id, description, itemName, language)
 		EID:WriteErrorMsg("Trying to add pill description to id = -1, which is not allowed! (Name: "..tostring(itemName).."; Description: "..tostring(description)..")")
 		return
 	end
+	local fullID = "5.70." .. id
+	if EID.FullyAutomatedDescriptions[fullID] then
+		EID.FullyAutomatedDescriptions[fullID] = nil -- remove vanilla item id from the modular desc list, since it got overriden by this function.
+	end
 	EID:CreateDescriptionTableIfMissing("pills", language)
 	EID:CreateDescriptionTableIfMissing("horsepills", language)
-	EID.descriptions[language].pills[id+1] = {id, itemName, description, EID._currentMod}
+	EID.descriptions[language].pills[id + 1] = {id, itemName, description, EID._currentMod}
 	-- Default the horsepill to the same description as the base pill, for mods that only define the base pill
-	if EID.isRepentance and EID.descriptions[language].horsepills[id+1] == nil then
-		EID.descriptions[language].horsepills[id+1] = {id, itemName, description, EID._currentMod}
+	if EID.isRepentance and EID.descriptions[language].horsepills[id + 1] == nil then
+		EID.descriptions[language].horsepills[id + 1] = {id, itemName, description, EID._currentMod}
+	end
+	if itemName then
+		EID.ItemNames[language][fullID] = itemName
 	end
-	EID.ItemNames[language]["5.70." .. id] = itemName
 end
 
 ---Adds a horsepill-specific description for a PillEffect
@@ -291,9 +315,15 @@ function EID:addHorsePill(id, description, itemName, language)
 		EID:WriteErrorMsg("Trying to add horsepill description to id = -1, which is not allowed! (Name: "..tostring(itemName).."; Description: "..tostring(description)..")")
 		return
 	end
+	local fullID = "5.70." .. id
+	if EID.FullyAutomatedDescriptions[fullID] then
+		EID.FullyAutomatedDescriptions[fullID] = nil -- remove vanilla item id from the modular desc list, since it got overriden by this function.
+	end
 	EID:CreateDescriptionTableIfMissing("horsepills", language)
-	EID.descriptions[language].horsepills[id+1] = {id, itemName, description, EID._currentMod}
-	EID.ItemNames[language]["5.70." .. id] = itemName
+	EID.descriptions[language].horsepills[id + 1] = {id, itemName, description, EID._currentMod}
+	if itemName then
+		EID.ItemNames[language][fullID] = itemName
+	end
 end
 
 ---Adds a metadata for a pilleffect. Used for Placebo/False PHD