 [ Symptoms ] weird rash over body i got a really itchy sensation all over my body mostly my stomach inner thighs under butt cheeks calfs inner wrists and arms mostly all when i scratch i dont feel no bumps sometimes i do get very small bumps when i do scratch a lot i noticed my sister also has it what could it be [ Disease ] a few dietary changes will help vitamin b6 and b12 supplements will hep to some extent at 87 nothing much can be expected lot depends in associated conditions like diabetes hypertension heart disease etc