I care for an 83-year-old man with heart

Call your local emergency number now, or get him to an emergency department now — a foot ulcer that has started to smell foul and turn bluish on an 83-year-old with diabetes and heart failure is a same-day emergency, and the fact that it does not hurt is not reassurance, because the neuropathy is exactly why he cannot feel it getting worse.

Which country or city are you in? That is the only way I can point you at the right door; tell me and I will name it.

I cannot tell from here what is causing the change — several different things look like this from a chair, and the cause decides the treatment. Nothing here is a diagnosis; no medicine, dressing or dose for him is decided in this reply. That belongs to the clinician who examines the foot.

1. What you have already tried, and what to do instead

What to do in the next 25 minutes, in order:

1. Stop him walking on that foot now. Sit him down, foot raised on a cushion, off the floor.
2. Cover the ulcer with a clean dry gauze pad or a clean cloth, loosely. No tight wrap — you want to be able to see the toes.
3. Put every medicine he takes into one bag, in the actual boxes, including the heart-failure, diabetes and blood-pressure ones, plus anything from a chemist without a prescription.
4. Put today's photos on the phone with their timestamps, and write down one line: when the smell started, when the colour changed, whether it has spread up the leg.
5. Call, or go.

2. Constraints and the avoid list

• No home remedies. No powders, no flour or starch, no turmeric, no honey, no herbal paste, no bleach, no alcohol, no peroxide, no ointment from another person. Nothing "to draw out the infection."
• Do not soak the foot. Not in warm water, not in salt water, not in any household solution or store-bought foot soak. Warm water plus no pain sensation is a scald risk, and soaking softens skin that is already the problem.
• No leftover antibiotics, and no antibiotics bought online or shared. Whether to use one, and which, belongs to a clinician who can see the wound and his kidney function.
• No medicine changes. Do not start, stop, double, skip or move the timing of his heart-failure, diabetes, blood-pressure or water tablets because of the foot. Any change there is a clinician's decision, and in an 83-year-old several medicines at once is its own risk. Give the ones already due, as already prescribed.
• Do not treat a normal temperature or a normal blood-pressure reading as good news. Blood pressure can stay normal in a serious infection in an older adult.
• No fasting for a possible procedure — do not plan to keep him off food and drink while you wait. If an operation turns out to be needed, the hospital handles that; you should not arrive having already stopped food.
• Stay inside what you can do at home: position, dressing, photos, medicine bag, and the conversation. That is the whole job tonight.

3. Red flags — when to stop home care and get help

Call the local emergency number now, do not drive him yourself if any of these are true:

• He is confused, muddled, unusually drowsy, or drifting in and out compared with his normal self — new confusion in an older adult can be the first sign of a serious infection.
• New breathlessness, or breathing faster than usual at rest; swelling of the legs or the abdomen that is new; needing much more pillows to sleep than usual — this matters more because of his heart failure.
• The blue or dark colour spreads, the skin blisters, or the smell becomes noticeably worse over hours.
• The foot is cold and pale, the toes go dark, or he cannot move the toes.
• He will not drink, is passing very little urine, or is shivering.
• He collapses, faints, or is hard to wake.

Same-day in-person care, not a phone call and not a home plan: foul smell plus any colour change to blue, dusky, grey or black on a diabetic foot — that is where he is now. Also spreading redness or warmth up the foot or leg, a streak running up from the wound, pus or a change in what the dressing is soaked with, the ulcer getting bigger rather than smaller over a week, or a temperature feeling warm with shivers or chills.

What the team will want to hear, so write these down before you go: the date the ulcer started; when the smell began; when the colour changed and which direction it has spread; that he walks on it and how much; his diabetes, heart failure and neuropathy; every medicine with names and doses from the boxes; any previous foot ulcer, amputation or hospital stay for the foot; his last tetanus shot if you know it; whether he has had a temperature and what it read; his weight and whether his ankles have swollen.

How to talk to him about it

He will hear "hospital" as "you are losing control of your life," and he is right that a hospital is disruptive. So do not open with the word.

• Lead with the observation, not the verdict. "Your foot has changed since yesterday — it looks darker and there is a smell I do not like. I want a nurse to look at it today, not next week."
• Name the neuropathy out loud, because it is the strongest argument and it is his own body, not your opinion. "Your nerve damage is exactly why the foot cannot tell you it is in trouble. The lack of pain is the symptom, not the all-clear."
• Give him the choice inside the plan, not outside it. "I would like to go today. If we go at four, you get your chair by the window and your tea at home afterwards; if we wait until Thursday, there is a real chance this gets deep, and then it is weeks, not an afternoon."
• Do not argue about the smell or the colour. He cannot smell it and he cannot judge the colour from his chair. Both of you are guessing; the nurse is not.
• Keep the timeline tiny and concrete. Dressing, bag packed, car, one photo taken with a timestamp, nurse looks at the foot, you are home. Ten minutes of that beats a debate.
• If he still says no, say this once, then call anyway and describe the situation to the nurse without his name: an 83-year-old with a diabetic foot ulcer that has become foul-smelling and discoloured, living alone or with a caregiver who cannot safely manage it at home. Ask what they want you to do. You are not overruling him — you are handing the decision to the service whose job it is.
• Let the sibling nearby be the second pair of hands, not the negotiator: one person drives, one person brings the bag and the photos. A tired caregiver trying to do the clinical talk and the logistics at once loses on both.

What success looks like in the next 24 hours

Not a cure — nobody can promise that from a phone. Success is:

• He has been looked at in person today, and someone has written down what to watch for and who to call.
• You have a named number for the wound clinic or the ward, written on the fridge, with the clinic hours next to it.
• His own medicines have been given at their usual times, none changed, none doubled, nothing skipped.
• He is not walking on that foot, is drinking, and is sitting somewhere safe and visible to another person tonight.
• You have one photo with a timestamp and one line of notes — so tomorrow you are describing a change, not starting the story over.

If you tell me the country or city, I will name the exact door and the number to ring.