diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
index c61c9d135e2..7453f6737d6 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
@@ -71,6 +71,13 @@
 	M.add_chemical_effect(CE_ITCH, M.chem_doses[type])
 	M.adjustHydrationLoss(1*removed)
 
+	if(((M.chem_doses[type] > 30) && prob(2)) || ((M.bodytemperature < 189) && prob(10))) //Butazoline treats torn tendons when dose is greater than 30u. Alternatively, if the drug is used in a cryotube.
+		var/mob/living/carbon/human/H = M
+		for(var/obj/item/organ/external/E in H.organs)
+			if(E.status & TENDON_CUT)
+				E.status &= ~TENDON_CUT
+				M.visible_message("<b>[M]</b> spasms!", SPAN_DANGER("You feel a stabbing pain in your [E.name]!"))
+
 /singleton/reagent/kelotane
 	name = "Kelotane"
 	description = "Kelotane is a complex medication which specifically targets tissues which have been lost to severe burning by encouraging the rate at which these damaged tissues are regenerated."
diff --git a/html/changelogs/TendonOverdose.yml b/html/changelogs/TendonOverdose.yml
new file mode 100644
index 00000000000..b34b90bf82d
--- /dev/null
+++ b/html/changelogs/TendonOverdose.yml
@@ -0,0 +1,6 @@
+author: TheGreyWolf
+
+delete-after: True
+
+changes:
+  - rscadd: "Using butazoline in an overdose level or in cryo now permits it to heal tendons."