My right foot has been infected for many years (since taking classes to swimming baths). I took pills from doctor and came out in a fearful rash so had to stop. have tried several patented paint on/cream/sprays, to no avail, and in despair paid several hundred pounds on laser treatment, and still have terrible fungal conditions on all toes on right foot...I went for a couple of years and each time was told it was a bad infection , with damaged nail bed, and persevered, but sadly for me it didn't work. As already said, flip flops are good in the summer but be prepared for (e.g.) grandchildren making remarks about your less than pretty feet! Winter socks/shoes/willies are a good environment for fungus, but difficult to avoid in cold weather....in spite of changing socks and alternating footwear daily, and using a spray in footwear, the condition is still there!