Allergy on Penis?

Patient: Hi my name is Anas, age: 17 weight 75kgs and Height 180cms.I have this white patch on my penis that i fpund about a month ago..i didnt do much about it that time.. i thot its some sort of allergy..But now i have found two more spots on my penis..they are like patches.. two are on my glans and one is one the middle part of feels rough to touch it… and they feel like dead skin..although i dont get any irritatation, pain or itching there..i am willing to send image if need be..I am shy to go to a local doc here…Please advice..