diff --git a/addons/medical_treatment/functions/fnc_bandage.sqf b/addons/medical_treatment/functions/fnc_bandage.sqf
index a4fb2c76980..80475fa2c34 100644
--- a/addons/medical_treatment/functions/fnc_bandage.sqf
+++ b/addons/medical_treatment/functions/fnc_bandage.sqf
@@ -8,6 +8,7 @@
  * 1: Patient <OBJECT>
  * 2: Body Part <STRING>
  * 3: Treatment <STRING>
+ * 4: Bandage effectiveness coefficient <NUMBER> (default: 1)
  *
  * Return Value:
  * None
@@ -18,8 +19,11 @@
  * Public: No
  */
 
-params ["_medic", "_patient", "_bodyPart", "_classname"];
+_this set [4, _this param [4, 1]]; // set default Bandage effectiveness coefficient
+[QGVAR(bandaged), _this] call CBA_fnc_localEvent; // Raise event with reference so mods can modify this
+
+params ["_medic", "_patient", "_bodyPart", "_classname", "_bandageEffectiveness"];
 
 [_patient, "activity", LSTRING(Activity_bandagedPatient), [[_medic, false, true] call EFUNC(common,getName)]] call FUNC(addToLog);
 
-[QGVAR(bandageLocal), [_patient, _bodyPart, _classname], _patient] call CBA_fnc_targetEvent;
+[QGVAR(bandageLocal), [_patient, _bodyPart, _classname, _bandageEffectiveness], _patient] call CBA_fnc_targetEvent;
diff --git a/addons/medical_treatment/functions/fnc_bandageLocal.sqf b/addons/medical_treatment/functions/fnc_bandageLocal.sqf
index 6b8f5145029..4cecbb2f175 100644
--- a/addons/medical_treatment/functions/fnc_bandageLocal.sqf
+++ b/addons/medical_treatment/functions/fnc_bandageLocal.sqf
@@ -7,6 +7,7 @@
  * 0: Patient <OBJECT>
  * 1: Body Part <STRING>
  * 2: Treatment <STRING>
+ * 3: Bandage effectiveness coefficient <NUMBER> (default: 1)
  *
  * Return Value:
  * None
@@ -17,8 +18,8 @@
  * Public: No
  */
 
-params ["_patient", "_bodyPart", "_bandage"];
-TRACE_3("bandageLocal",_patient,_bodyPart,_bandage);
+params ["_patient", "_bodyPart", "_bandage", ["_bandageEffectiveness", 1]];
+TRACE_4("bandageLocal",_patient,_bodyPart,_bandage,_bandageEffectiveness);
 _bodyPart = toLowerANSI _bodyPart;
 
 private _openWounds = GET_OPEN_WOUNDS(_patient);
@@ -26,7 +27,7 @@ private _woundsOnPart = _openWounds getOrDefault [_bodyPart, []];
 if (_woundsOnPart isEqualTo []) exitWith {};
 
 // Figure out which injuries for this bodypart are the best choice to bandage
-private _targetWounds = [_patient, _bandage, _bodyPart, GVAR(bandageEffectiveness)] call FUNC(findMostEffectiveWounds);
+private _targetWounds = [_patient, _bandage, _bodyPart, _bandageEffectiveness * GVAR(bandageEffectiveness)] call FUNC(findMostEffectiveWounds);
 
 // Everything is patched up on this body part already
 if (count _targetWounds == 0) exitWith {};
diff --git a/docs/wiki/framework/events-framework.md b/docs/wiki/framework/events-framework.md
index eb717bffe8c..d8d86742185 100644
--- a/docs/wiki/framework/events-framework.md
+++ b/docs/wiki/framework/events-framework.md
@@ -42,6 +42,7 @@ The vehicle events will also have the following local variables available `_gunn
 |`ace_treatmentSucceded` | [_caller, _target, _selectionName, _className, _itemUser, _usedItem] | Local | Listen | Treatment action is completed (local on the _caller)
 |`ace_treatmentFailed` | [_caller, _target, _selectionName, _className, _itemUser, _usedItem] | Local | Listen | Treatment action has been interrupted (local on the _caller)
 |`ace_medical_handleUnitVitals` | [_unit, _deltaT] | Local | Listen | Vitals update ran for unit, _deltaT is the time elapsed since the previous vitals update (local to _unit)
+|`ace_medical_treatment_bandaged` | [_medic, _patient, _bodyPart, _className, _bandageEffectiveness] | Local | Listen | _medic has bandaged _patient, the array can be modified to change treatment parameters (local to _medic)
 
 ### 2.3 Interaction Menu (`ace_interact_menu`)
 MenuType: 0 = Interaction, 1 = Self Interaction