What cellulitis means with diabetes

Cellulitis can enter through a blister, fissure, ulcer, injection site, or other break in the skin. Diabetes may reduce feeling in the feet and can make a small injury harder to notice. Look for warmth, redness, swelling, tenderness, drainage, or a wound that is changing. The absence of strong pain does not exclude infection when sensation is reduced. A clinician will assess the skin, circulation, sensation, and any wound, then consider whether the infection is limited to skin or needs broader evaluation.

Contact your diabetes or primary-care team promptly for new redness, warmth, swelling, drainage, or a wound that is not improving. Check the affected area without repeatedly rubbing it, keep an open wound clean and covered, and avoid walking on a painful foot until advised. Do not stop prescribed diabetes medicine or start an antibiotic without medical guidance. Share your usual glucose pattern, medicines, allergies, and any previous foot problems. Complete treatment as prescribed and attend any requested wound review.

Seek urgent care for rapidly spreading redness, dark or blistered skin, severe swelling, new numbness, severe pain, fever, vomiting, confusion, faintness, or marked weakness. A foot wound with a change in colour, smell, or drainage needs prompt attention. Fast breathing or feeling suddenly very unwell may signal sepsis. Diabetes can make deterioration harder to spot, so act on a concerning change even if pain is mild.

Ask whether the wound needs culture, drainage, specialist foot review, or a change in monitoring; also ask how to protect sensation-impaired skin and when to return.