Medically reviewed by Mary Choy, PharmDMedically reviewed by Mary Choy, PharmD Raised skin bumps can ... a bumpy skin rash called keratosis pilaris. This commonly occurs on the arms, thighs ...

The rash starts on the face and torso, then spreads down the arms and legs Shortly after ... the lesions turn into raised bumps, according to the CDC. Those bumps turn into fluid-filled vesicles ...