 [ Symptoms ] i have strange little bumps on my arm and chest the chest itches and there are tiny bumps with yellow in them help  i have never had this before it started 2 nights ago and has gotten worst [ Disease ] unfortunately it is not possible to accurately determine a skin diagnosis blindly over the internet a desciption is just too vague so this is going to require a hand on medical examination by your primary care clinician or a dermatologist