Suggest Treatment For A Lump On The Foot Caused Due To A Fall

Hello I am on holiday and was wearing espadrilles and I fell due to uneven tiling and twisted my foot outwards the foot has a huge lump on the side and is extremely difficult to walk on I have had an icepack on most of the day and have taken an anti inflammatory. But it aches When I walk and we have so much to see and do!