Whats wrong with my piercing?

i've had my ears pierced ever since i was a baby and now im a teen. i have sensitive skin so i can only wear pure gold earrings. i wore fake earrings a couple weeks ago and then my piercing got all pussy. i cleaned it and put my gold earring back. i left the earrings on for 2-3 weeks and i took it off to clean once a day but my piercing still have puss!!!! and i dont know what this is but my earlobe almost looks...dry? it disgusting! has stupid dry skin and puss WTH DO I DO!?!?!?!?!?!?!?!?!?! D:<