No. 1 Remedy for accidents / shock / physical exhaustion.

Should be a first choice after most accidents, injuries or physical ordeals. Given early it will reduce swelling and bruising. Patient has a fear of being touched. because of the pain and may want to be left alone. May claim to be alright when they clearly are not. Classic response of someone in shock. Upper body is hot. whilst lower is cold . Memory may also be poor.
Better: lying down. with head low. Worse: jarring: lying on injured part.

Arnica 30c is included in the following Homeopathy World kits: