Any process that activates or increases the frequency, rate or extent of isotype switching to IgE isotypes.
Synonyms:
exact_synonym:
positive regulation of class switch recombination to IgE isotypes; positive regulation of class switching to IgE isotypes; positive regulation of isotype switch recombination to IgE isotypes; up regulation of isotype switching to IgE isotypes; upregulation of isotype switching to IgE isotypes
narrow_synonym:
activation of isotype switching to IgE isotypes; stimulation of isotype switching to IgE isotypes