Hi there. I read your problem with interest. The rash
you describe indeed appears to be an irritant contact dermatitis
& could well be due to the use of a pad. Perhaps you changed the brand or the 'sticky' bit of the pad is irritating your skin. Please avoid a pad & use a tampon in the interim period for 24-48 hrs. Make sure you change the latter regularly & DONT leave on for long periods & certainly not overnight :) Also apply an ointment containing a combination of betamethasone-fusidic acid
twice/day to that region for 48 hrs & take a 180mg fexofenadine
tablet all of which can be got at your nearby pharmacy OTC (over the counter) depending on which part of the world you are from. Do hope it all works out for you & give us a shout telling us you are better!
Cheers & regards,
Dr Praveen Rodrigues MD