Triamcinolone Acetonide is used to treat different variety of skin conditions like eczema, dermatitis, allergies. It reduces the swelling, itching and redness that can occur in these types of diseases. Use it only on your skin, do not use it on your underarms, face and any other sensitive area. Triamcinolone Acetonide work by decreasing your body's immune response to these diseases and remove symptoms like swelling. Moreover, it is designated chemically as 9-Fluoro--tetrahydroxypregna-1,4-diene- 3,20-dione cyclic 16,17-acetal.