Photo: Russian Look I like to go to the bathhouse and the swimming pool, but they say that it is easy to become infected with fungus there. Tell me what to do for treatment if I suddenly get sick. Slava, Kemerovo Olga Tretyakova , pharmacist, Moscow: – There are a great many fungal diseases. They appear on the skin of the arms, legs, torso, scalp, nails and mucous membranes.