Fact Pattern 18-1 Cream X Has Been Approved by the Food and Drug

Fact pattern 18-1
Cream X has been approved by the Food and Drug Administration for the treatment of eczema.Dr.Glover discovers,however,that it is also great for a number of other things including the removal of wrinkles and cellulite.The cream is applied to the skin,not ingested.He starts prescribing it for those purposes and has a great increase in patients.Dr.Smith starts to loose a number of patients to Dr.Glover and becomes grumpy when she hears why Dr.Smith is gaining in popularity.Dr.Smith decides to complain about the practice but does not know quite what to do about it.
-Refer to fact pattern 18-1.Which of the following is true regarding the legality of Dr.Glover prescribing Cream X for the elimination of wrinkles and cellulite?

A) It is legal,and the Food and Drug Administration would take no action against him.
B) It is legal only because the cream is not ingested.
C) It is legal only if Dr.Glover refrains from advertising his use of the drug.
D) It is illegal.