Ankle cellulitis: symptoms and urgent care

Bacteria can enter through a cut, cracked skin, an ulcer, an insect bite, or athlete’s foot, although the opening may be hard to see. Cellulitis affects deeper skin and is generally treated with antibiotics; delaying care can allow the infection to spread.

The affected area often feels hot, painful, and swollen, with redness that may be less obvious on brown or black skin. The surface can look tight or shiny and may blister. Fever, chills, swollen glands, or feeling generally unwell can accompany the skin changes.

Not every swollen red ankle is cellulitis. A blood clot, injury, gout, dermatitis, poor venous circulation, and other conditions can produce overlapping features. A clinician uses the examination and your wider health history to distinguish them; antibiotics should not be borrowed or started from leftovers.

Seek same-day medical advice for newly painful, hot, swollen ankle skin. If antibiotics are prescribed, take them exactly as directed and complete the course unless the prescriber changes it. Rest with the leg raised to ease swelling, drink fluids, and gently move the nearby joint if comfortable so it does not stiffen.

Keep any wound clean and follow dressing advice. Do not squeeze blisters or massage an acutely inflamed area. Once the infection has settled, moisturising dry skin and treating cracks between the toes can help reduce another entry point for bacteria.

Get emergency help if redness spreads rapidly or you develop purple patches, severe or escalating pain, fast breathing, a racing heartbeat, dizziness, fainting, confusion, cold clammy skin, or unusual drowsiness. These warning signs can accompany a serious spreading infection. Contact the treating clinician promptly if symptoms are worsening or fail to begin settling after antibiotics.

Ask whether the appearance fits cellulitis or another cause of ankle swelling, which skin break may have allowed infection in, and how improvement should look. Mention diabetes, circulation problems, lymphoedema, immune-suppressing medicines, previous cellulitis, allergies, and recent injury. Confirm whom to contact if the marked area expands.