The dust «may cause burning, drying, itching and other discomfort, resulting in reddening of the eyes,» not to mention lung irritation. (cbc.ca)
Be aware of reddening skin or pus at the catheter site. (vin.com)
Symptoms of itching include reddened areas on the skin, bumps or rashes, nail marks from previous scratching, and dry flaking skin. (healthcare-online.org)