diff --git a/code/datums/diseases/advance/symptoms/confusion.dm b/code/datums/diseases/advance/symptoms/confusion.dm
index d68b38defc1..f016b937487 100644
--- a/code/datums/diseases/advance/symptoms/confusion.dm
+++ b/code/datums/diseases/advance/symptoms/confusion.dm
@@ -24,7 +24,7 @@ Bonus
 	level = 4
 	severity = 2
 	chem_treatments = list(
-		"synaptazine" = list("multiplier" = 0, "timer" = 0),
+		"synaptizine" = list("multiplier" = 0, "timer" = 0),
 		"ephedrine" = list("multiplier" = 0, "timer" = 0),
 		"methamphetamine" = list("multiplier" = 0, "timer" = 0),
 		"coffee" = list("multiplier" = 0.7, "timer" = 0),
diff --git a/code/datums/diseases/advance/symptoms/hallucigen.dm b/code/datums/diseases/advance/symptoms/hallucigen.dm
index 3d2e63c7602..a4f3f80d810 100644
--- a/code/datums/diseases/advance/symptoms/hallucigen.dm
+++ b/code/datums/diseases/advance/symptoms/hallucigen.dm
@@ -24,7 +24,7 @@ Bonus
 	level = 5
 	severity = 3
 	chem_treatments = list(
-		"synaptazine" = list("multiplier" = 0, "timer" = 0),
+		"synaptizine" = list("multiplier" = 0, "timer" = 0),
 		"ephedrine" = list("multiplier" = 0, "timer" = 0))
 
 /datum/symptom/hallucigen/symptom_act(datum/disease/advance/A, unmitigated)
diff --git a/code/datums/diseases/advance/symptoms/weakness.dm b/code/datums/diseases/advance/symptoms/weakness.dm
index 7dc93726d39..1f5b5248315 100644
--- a/code/datums/diseases/advance/symptoms/weakness.dm
+++ b/code/datums/diseases/advance/symptoms/weakness.dm
@@ -25,7 +25,7 @@ Bonus
 	level = 3
 	severity = 4
 	chem_treatments = list(
-		"synaptazine" = list("multiplier" = 0, "timer" = 0),
+		"synaptizine" = list("multiplier" = 0, "timer" = 0),
 		"ephedrine" = list("multiplier" = 0, "timer" = 0),
 		"coffee" = list("multiplier" = 0.6, "timer" = 0),
 		"tea" = list("multiplier" = 0.6, "timer" = 0))