good evening ....im 57 ..white male...170 lbs.... i am under stress now and am taking flurazepam for quite some time...I have noticed faint dark thin lines near the end of my penis... at this time i have no problems with them per se but am concerned... could this be a fungal problem...btw...i do have the odd psoriasis condition with dry skin on elbows ...no real redness...just dry cracked skin.....i have this happening on one elbow now... suggestions welcome