i need help, asap. my little guy i just got him not too long ago like in the fall of last year and hes been so healthy, now all of a sudden everything has taken a turn. he is a dark brown color, hes got a little skin bubble (almost looks like a blister) near his eye, and hes lethargic and im sooo worried. hes not eating and his skin looks a little wrinkly. please help asap!!!