Betaderm Z is used for Dermatitis. Know it’s uses, side effects, reviews, composition and precautions only on 1mg.. How to use Betaderm Cream. Use this medication on the skin only. However, do not use it on the face, groin, or underarms unless directed to do so by your doctor.. Detailed information related to Betaderm G Cream's uses, composition, dosage, side effects and reviews is listed below.. Betaderm Cream is used for Cutaneous inflammation, Skin inflammation, Itch or rash, Ataxia telangiectasia, Phimosis and other conditions. Betaderm Cream may also be used for purposes not listed in this medication guide.. . .