PanicStation.org
UK USA
uk Health & medical scares diabetes foot blister • diabetic foot wound • foot sore getting worse • foot wound looks infected • red hot swollen foot • pus from blister • foot ulcer starting • new cut on diabetic foot • diabetic neuropathy wound • foot infection warning signs • skin breaking down on foot • blister not healing • foot wound spreading redness • foul smell from foot wound • worried about amputation • cannot feel foot injury • diabetic foot emergency • painful blister with diabetes

What to do if…
you have diabetes and a new foot blister or wound is worsening or looks infected

Short answer

Treat this as same-day urgent: contact your GP, diabetes foot team/podiatry, or NHS 111 today and tell them you have diabetes and a worsening foot blister/wound. If you feel very unwell or it’s spreading quickly, go to A&E or call 999.

Do not do these things

  • Do not “wait and see” overnight if it’s worsening, hot/red, oozing, smelly, or you feel unwell.
  • Do not pop, cut, or peel the blister/wound yourself.
  • Do not soak the foot (baths/foot spas) or scrub the area.
  • Do not put antiseptic creams/powders or “home remedies” on broken skin unless a clinician advises it.
  • Do not keep walking on it “to see if it settles” — pressure can drive damage and infection deeper.
  • Do not use heating pads/hot water bottles on the foot (reduced sensation can cause burns).
  • Do not start leftover antibiotics or someone else’s antibiotics.

What to do now

  1. Reduce pressure immediately. Sit down, take your shoe/sock off gently, and keep weight off that foot as much as you can. If you must move, keep it brief and wear supportive footwear (don’t go barefoot).
  2. Do a quick safety check (60 seconds). Look for any of these:
    • spreading redness/heat/swelling, pus, worsening pain, bad smell
    • skin turning black/blue, a new area of numbness, or rapidly increasing swelling
    • fever/rigors, feeling flu-like, confusion, vomiting, fast breathing, or your blood glucose is suddenly much harder to control than usual
      If any severe symptoms are present or it’s rapidly worsening: go to A&E or call 999.
  3. Cover and protect it. If there’s visible dirt, gently rinse with clean running water, do not soak or scrub, then pat dry and cover with a clean, non-sticky sterile dressing. Keep it clean and dry. Avoid tight tape that constricts circulation.
  4. Get same-day medical contact and be explicit.
    • If you have a diabetes foot clinic / podiatry / diabetes nurse contact, call them today.
    • Otherwise call your GP surgery and say: “I have diabetes and a worsening/new infected-looking foot blister/wound. I need same-day advice/assessment.”
    • If it’s out of hours or you can’t get through: call NHS 111 and state the same.
  5. Create a simple record to help clinicians triage you. Take 2–3 photos (with something for scale like a coin) and note: when it started, any discharge/smell, whether redness is spreading, your temperature if you can check it, and your most recent glucose readings.
  6. Keep your diabetes safer while you wait. Check glucose more often than usual, keep hydrated, follow your usual sick-day plan (if you have one), and do not stop insulin unless a clinician tells you to. If you have repeated lows/highs you can’t control, tell NHS 111/GP.

What can wait

  • You do not need to decide today whether it’s “an ulcer” or “a serious infection” — you need assessment and offloading.
  • You do not need to research wound products, special shoes, or antibiotics right now.
  • You do not need to write a full medical history — just have your meds list and diabetes details ready when asked.

Important reassurance

It’s common to feel alarmed because foot problems can escalate faster with diabetes — that’s exactly why getting same-day help is the right move. Acting early often prevents bigger treatment later.

Scope note

These are first steps to reduce harm and get you seen quickly. Follow-up care (dressings, offloading devices, antibiotics, scans, circulation checks) depends on what the clinician finds.

Important note

This is general information, not a diagnosis. If you feel very unwell, the wound is rapidly worsening, or the foot looks discoloured/black, treat it as an emergency and seek urgent medical care.

Additional Resources
Support us