Nystatin and Triamcinolone Acetonide Cream is a type of medicine used to treat common skin problems like ringworm and yeast infections. This medicine is simply an antibiotic cream used to stop fungi from growing on the skin. It has been shown to help cure other skin concerns as well. The Triamcinolone cream is considered a steroid, so it can help keep your skin from swelling and having other reactions, as long as it is used properly. However, if you have any allergies or hypersensitivity to either Nystatin or Triamcinolone Acetonide, you shouldn’t use this medication.