###Human: Can sanded grout exposure cause some serious effects? ###Assistant: Hi. Looking at the history, it is quite a high-level exposure and it can cause some kind of pneumonitis feature called hypersensitivity pneumonitis or toxic dust syndrome. If she develops symptoms of a cough, breathlessness, better to get a CT thorax to see her lungs and if possible lung function tests also. Kindly get back if you need more information.