What exactly does it mean when my vaginal area itches after using a tampon?

Allergy to Tampons. It may be due to allergy to the tampon or any of the ingredient in it.You may try a different brand and that may relieve your discomfort, if no improvement see your gynecologist as you may have yeast infection causing the itching also do not use tampon when dry and super absorpent when just spotting.