The calories from the corn oil need to be considered when creating a balanced diet. Corn Allergies One downside to corn is that it, along with chicken, beef, lamb, soy, wheat, egg and dairy products, is a common food allergen for dogs.
There are some very good inhaled steroids that have minimal side effects outside the lungs, yet do very well. These combined with the powerful long term bronchodilators (Advair, Symbicort) are new generation lung meds. So we conclude that there are alternatives to Prednisone, and yes, discuss these with your physician.
The use of a corticosteroid medication, such as prednisone, is sometimes used in select cases of shingles, such as those with severe pain or neurologic involvement, and it must be used with concurrent antiviral therapy. United States. Centers for Disease Control and Prevention. <http://www.cdc.gov/shingles/>.