What should you know about e coli cellulitis?

Cellulitis causes a tender area of redness, warmth, swelling, and pain that may expand over time. E. coli is less typical than some other bacteria, but it can enter through a wound, ulcer, bite, surgical site, or damaged skin, particularly when the skin barrier is compromised. A clinician may take account of the location, exposure, immune health, and response to treatment; a swab or other test may be considered when there is drainage or an unusual presentation. Learn more about [Cellulitis](/conditions/cellulitis/), [Skin Redness](/symptoms/skin-redness/), [Skin Swelling](/symptoms/skin-swelling/), and [Painful Skin](/symptoms/skin-pain/).

Arrange same-day medical advice for suspected cellulitis rather than trying to treat it with leftover medicine. Take prescribed antibiotics exactly as directed and keep the area clean and elevated when practical. Do not squeeze, massage, or apply irritating products to the skin. Marking the edge of redness can help show whether it is spreading, but it does not replace examination. Tell the clinician about diabetes, recent procedures, water exposure, wounds, allergies, and recent antibiotics. [Athlete's Foot](/conditions/athletes-foot/) can create an entry point through cracked skin.

Go urgently for rapidly spreading redness, severe or escalating pain, blistering, purple or dusky skin, numbness, confusion, faintness, breathing difficulty, or a very unwell feeling. [Fever](/symptoms/fever/) can accompany a more serious infection. People with [Type 2 Diabetes](/conditions/type-2-diabetes/) or reduced immunity should seek advice early. Emergency symptoms may signal infection affecting the whole body, including [Sepsis](/conditions/sepsis/).

Ask whether the findings fit cellulitis, whether a culture is useful, how quickly improvement should begin, and what to do if the border expands. Ask how to care for the wound and whether an underlying fungal infection, ulcer, or circulation problem needs treatment.