Could A Severe Fungal Or Parasitic Infection Be Causing Hair Loss, Dead Skin Buildup, And Visible Lines On My Body?

I think i have a severe fungal or parasite infection. I have been pulling off a lot of long black hairs out my butt but mainly from my nose and head. My hair has fallen out a good bit . And i have alot of dead skin that builds up on my hands fingers feet ect. I literally can see the lines where they travel from my mouth to my nose then eyes and my ears to scalp and down my back to anus and then my toes Its hard to try and describe everything because its alot more than what i just wrote but ive been dealing with it for couplex years but this year its exploded to something that is alot more noticeable and difficult to deal with. Its embarrassing and my doctors dismissed it after 1 dose of antifungal meds didnt seem to work