diff --git a/code/modules/reagents/reagent_containers/borghydro.dm b/code/modules/reagents/reagent_containers/borghydro.dm
index 170ff64138..3388018280 100644
--- a/code/modules/reagents/reagent_containers/borghydro.dm
+++ b/code/modules/reagents/reagent_containers/borghydro.dm
@@ -102,6 +102,12 @@ Borg Hypospray
 	if(!istype(M))
 		return
 	if(R.total_volume && M.can_inject(user, 1, user.zone_selected,bypass_protection))
+		if(user.a_intent == INTENT_HELP) //Prevents mediborgs from OD'ing people unless on harm intent
+			for(var/datum/reagent/RG in R.reagent_list)
+				if(M.reagents.has_reagent(RG.type) && !RG.overdose_threshold == 0)
+					if(((M.reagents.get_reagent_amount(RG.type)) + amount_per_transfer_from_this > RG.overdose_threshold))
+						to_chat(user, "<span class='warning'>Injecting [M] with more [RG] would overdose them.</span>")
+						return
 		to_chat(M, "<span class='warning'>You feel a tiny prick!</span>")
 		to_chat(user, "<span class='notice'>You inject [M] with the injector.</span>")
 		var/fraction = min(amount_per_transfer_from_this/R.total_volume, 1)