i went to hilly region a week ago. while climbing back from a mountainous path. my left foot got hurt with a rock. i was wearing sports shoes although, but it pained badly. it was around 10-11 km long path still left. when i reached my hotel room, my both feet's thumb was paining. that day, at night, i gave my feet a warm water bath. but after that i couldnt do much for them and then gave them a warm water bath after 3 days and then after 2 days. in all i could help it only 3 times in a week. now my left toenail has blue-blackish colour under nail and right toenail has reddish color under it. how can i remove this coloration??? please help. thanx