The invention discloses pharmaceutical compositions in the form of a dusting powder or dry spray, possessing a high absorbent capacity, painkilling activity and wound-healing action, which compositions consist of croscarmellose sodium, a non-steroidal anti-inflammatory drug (NSAID) and hyaluronic acid, and optionally also contain other pharmacologically active substances and/or excipients. The compositions disclosed herein are suitable for use in the treatment of skin lesions wherein the presence of exudate limits wound healing and causes pain; they are therefore particularly suitable for chronic ulcerous skin lesions of various origins and burns.