First Aid Advice

Paracetamol is the painkiller of choice – asprin and neurofen can aggravate asthma & digestive problems, and slow healing. Do make sure you only take the recommended dose, and do not mix with other medicines (including cold remedies).
For a non-pharmacological alternative, try arnica (either as a cream, or as tablets).

If there is a lot of swelling or bruising, or the pain is unbearable, you should go to Accident and Emergency.

Visit your osteopath as soon as you are mobile, for professional evaluation and advice.