baka mag suggestion or advice kayo?

Pls dont take down my post. I'm a guy and have a gf. Just wanted to ask about something lang sana, for context. Bago palang kami ng gf ko, sobrang payat nya likw petit. She weighted 48kg, by the time nung nag 1 year kami tumaba siya. So sa present na. Lage nyang reklamo sakin masakit daw sa may bandang singit nya chineck namin parang may rashes? di naman daw makati like fungus pero masakit daw, I asked her when nag simula yong rashes nayon and she did not remember anything. Basta nag pop up nalang daw or sumakit nalang daw bigla. Pina observe ko nalang sakanya ano cause and she said last week para medyo sumasakit daw pag nag lalakad siya like yung legs nya daw para umiipit na pag nag lalakad? gets nyo? hahahaha sorry di ako marunong mag kwento eh. Parang daw sa friction. I told her to see a doctor since kaya naman namin if may mga meds na kailangan or skin chuchu nayan. Pero ayaw nya, takot siya. Yoko din pilitin kase baka mag away nalang kami. Baka may advice kayo anong pwede remedy don? Salamat ng marami!