Increasing redness, warmth or swelling
Condition guide
Foot Infection
Changes around a wound can require prompt medical evaluation.
Suspected foot infection needs prompt clinical assessment. Seek emergency care for rapidly spreading redness or swelling, fever or feeling very unwell, severe pain, gangrene or concern for deep infection.
Understanding the concern
The visible symptom is only part of the clinical picture.
Changes around a wound can require prompt medical evaluation. Foot infections can progress quickly. Assessment helps determine severity, the appropriate clinical pathway and whether urgent treatment or referral is needed.
Clinical context
Symptoms and signs
Small changes deserve attention.
Pus, discharge or a new unpleasant odour
Pain, fever or feeling unwell
Rapid worsening around a wound, nail or skin crack
Causes and risk factors
Several factors can come together.
Bacteria can enter through a wound, fissure, blister, nail edge or ulcer. In diabetes, reduced sensation and circulation can allow an infection to progress before it is noticed.
Diabetes or immune suppression
Existing ulcer, skin crack or ingrown nail
Poor circulation or reduced sensation
Delayed wound assessment
When to seek prompt care
Do not wait for symptoms to become severe.
Suspected foot infection needs prompt clinical assessment. Seek emergency care for rapidly spreading redness or swelling, fever or feeling very unwell, severe pain, gangrene or concern for deep infection.
MMC evaluation
Assessment follows the whole clinical picture.
A clinician reviews the skin or wound, depth, temperature, circulation and general symptoms. Tests, imaging or urgent referral may be needed if deeper tissue or bone involvement is suspected.
Relevant care pathways
Care is matched to the condition and the person.
Assess urgency: The first priority is identifying whether urgent treatment or hospital-level care is needed.
Control the source: Wound care, drainage or debridement may be considered when clinically appropriate.
Review progress: Infection treatment is monitored closely alongside pressure protection and circulation review.
Protect your feet between reviews.
Keep changes protected, avoid unadvised self-treatment and seek advice if symptoms worsen or do not improve.
The next step should be clear.
A timely assessment helps match care to the diagnosis, risk and practical needs of the person.
Common questions
When should I seek urgent care?+
Seek prompt medical advice for spreading redness, a new or worsening wound, discharge, fever, black or blue skin, sudden swelling, or a foot that becomes hot, cold or painful. If you feel very unwell, seek emergency care.
Can I treat this at home?+
Avoid cutting, draining, paring or applying unadvised products. The safest next step depends on your skin health, circulation, sensation and medical history.
What should I bring to my appointment?+
Bring recent reports, your medication list, photographs or details of changes over time, and the footwear you use most often when relevant.
Continue the care journey
The right next step depends on the clinical picture.
Explore the related pathways that may be discussed after assessment.
Make an appointment
A changing foot infection deserves a careful clinical review.
Our team can help you understand what needs assessment and what information to bring. Diagnosis and treatment depend on an in-person review.
Specialist assessmentClear next stepsIndividual care planning
Dr. A. Nirupan Chakkaravarthy
Consultant Podiatrist · Limb Salvage Specialist
This guide is for general education and does not replace an in-person assessment.