Hm

code/game/gamemodes/bloodsucker/bloodsucker.dm

@@ -262,7 +262,7 @@
 	target.mind.add_antag_datum(V, V.master.get_team())
 	// Update Bloodsucker Title (we're a daddy now)
 	B.SelectTitle(am_fledgling = FALSE) // Only works if you have no title yet.
-	// lOg it
+	// Log it
 	message_admins("[target] has become a Vassal, and is enslaved to [creator].")
 	log_admin("[target] has become a Vassal, and is enslaved to [creator].")
 	return TRUE

code/game/objects/items/stacks/medical.dm

@@ -72,6 +72,8 @@
 			to_chat(user, "<span class='notice'> [M] is at full health.</span>")
 			return FALSE
 		user.visible_message("<span class='green'>[user] applies \the [src] on [M].</span>", "<span class='green'>You apply \the [src] on [M].</span>")
+		if(AmBloodsucker(M))
+			return
 		M.heal_bodypart_damage((heal_brute/2))
 		return TRUE
 	if(iscarbon(M))
@@ -148,6 +150,8 @@
 		return
 	if(iscarbon(M))
 		return heal_carbon(M, user, 0, heal_burn)
+	if(AmBloodsucker(M))
+		return
 	to_chat(user, "<span class='notice'>You can't heal [M] with the \the [src]!</span>")
 
 /obj/item/stack/medical/ointment/suicide_act(mob/living/user)