Lotrimin is taken for treating Yeast Infection. 1, patients conversations about taking Lotrimin for Yeast Infection, rating Lotrimin out of 5 for helping in treatment of Yeast Infection. Lotrimin AF Cream is an antifungal medication that fights infections caused by fungus. Lotrimin AF Cream (for the skin) is used to treat skin infections such as athlete's foot, jock itch, ringworm, and yeast infections. Candidiasis is a fungal infection caused by any yeasts of the candida species usually taking one of two main formsa genital candida infection (yeast infection) or an oral candida infection (thrush). A fungal infection of the genitals can affect anyone. Caused by the yeast species Candida albicans symptoms include itching irritation and burning. A .