There is probably no homeopathic remedy more popular than Arnica. For one thing, it is called the sports remedy, since it is indicated in any kind of trauma. Characteristics for Arnica are a sore, bruised feeling, the feeling that the bed is too hard and feeling worse from the slightest touch. Because of the release of endorphins from the shock, they really do not feel anything. But Arnica is badly needed in this case.
Arnica is also a great flu and grief remedy.
How to take the remedies Use at least 30c, which you can get in the health food store. 200c is better if you can get it. Stir to dissolve. Take a teaspoon every 15 minutes until you start to feel better, then slow down to every 30 minutes, then once an hour. Stop taking the remedy as soon as you feel completely better.