I have persistent vaginal itching/burning. i test negative for yeast and bacteria. no relief from estrogen cream. any other ideas? i am postmenopausa

Menopause, others?: After ruling out yeast and bacterial infections, the most common causes of vaginal itching/burning are: menopause (e.g.with dryness), chemical irritants (e.g. from clothing or washes), and lichen sclerosis. If you can't identify a specific chemical irritant (i.e. from changes in detergent, new clothing, etc), then you should consult your Gyn or PCP for eval.