Hiya, i had my op last week and had bought some arnica tablets for after op because of seeing it on here, but once i had th op i asked my surgeon if i could take them and if it would be worth taking them and he basically said its just another homopathic thing and that the dose in them is that weak that they wouldnt really make any difference to your swelling or bruising, just that some people feel its something extra to help in their minds. Its most probable that the swelling and bruising would have went down in the same amount of time anyway. xx