bromoderma bromoderma bromoderma is a skin condition characterized by an eruption of papules and pustules on the skin.: 135 it is caused by hypersensitivity to bromides, such as those found in certain drugs. there is at least one reported case of bromoderma caused by excessive consumption of a soft drink (ruby red squirt) containing brominated vegetable oil. bromodermaother namesbromoderma tuberosumspecialtydermatology