Foot Care Nurse Course
Module 6: Infection Prevention & Safety Guidelines

Lesson 1: Infection Prevention & Safety Guidelines

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Module 6 — Patient-Side Infection Prevention & Safety
Module 6 of 10 · Single lesson module
Module 6

Patient-Side Infection Prevention & Safety

Estimated time: 25 min Patient Education Focus
Learning Objectives

By the end of this lesson, the learner will be able to:

  1. Educate patients on the components of a daily home foot care routine that prevents infection.
  2. Teach patients to perform a structured self-inspection and recognize the cardinal signs of infection.
  3. Apply a tiered "when to call" framework that helps patients distinguish self-care, urgent provider contact, and emergency situations.
  4. Counsel patients on footwear, sock, and public-environment practices that reduce transmission risk.
  5. Adapt patient education for special populations: diabetes, PAD, immunocompromise, dementia, and limited mobility.

Module 4 covered your infection control — instruments, sterile field, sharps, hand hygiene. This module covers the patient's infection control — what they do at home between visits, what they watch for, and when they call. Most foot infections are not contracted in the clinic; they develop at home from cumulative small problems that go unrecognized. The single most consequential thing you can teach a patient is when to pick up the phone.

How this module fits
Two sides of infection prevention
Module 4 — Practitioner side

Your instruments, your hands, your sterile field, your reprocessing workflow. The infection control you control directly during the visit.

Module 6 — Patient side

The patient's daily routine, what they wear, where they walk barefoot, what they recognize in their own feet, and when they call you. The infection control they execute between visits.

The Daily Home Foot Care Routine

This is the script you teach every patient — adjusted for their risk level. The routine itself is short. The discipline of doing it daily is what prevents complications.

A daily foot care routine
The full sequence — most patients can complete this in under 5 minutes
Morning
Wash, dry, inspect
  • Wash feet with mild soap and lukewarm (not hot) water
  • Dry thoroughly — especially between the toes
  • Inspect each foot, top and bottom (use a mirror or ask for help if needed)
  • Check for any new redness, swelling, breaks, or unusual color
  • Apply moisturizer to dry areas (not between toes)
Before shoes
Shake and check
  • Shake out shoes before putting them on — pebbles, debris, insects
  • Check the inside lining for worn spots or rough seams
  • Wear clean, dry, well-fitting socks (change if damp during the day)
  • Confirm shoes fit comfortably with no pressure points
Evening
Final check
  • Quick second inspection — anything new since morning?
  • Check inside socks for blood, fluid, or discoloration spots
  • Note any new pain, pressure, or numbness from the day
  • Address any concerns before bed; don't "wait and see"
Why morning AND evening inspection

Morning inspection catches anything that developed overnight (fluid leaks from socks, pressure marks from sleeping position). Evening inspection catches anything that happened during the day (blisters from new shoes, small cuts from debris). A single daily check often misses both. Patients with diabetes or neuropathy especially benefit from twice-daily inspection because they may not feel small injuries.

How to Inspect Your Feet

Patients often don't know how to inspect their own feet. The plantar surface and between the toes are the most-missed areas, and they're where infections most often start.

The complete self-inspection — both feet
All surfaces, every day · use a mirror or ask for help if you can't see the soles
Foot self-inspection map Two foot outlines showing the surfaces to inspect: top (dorsum), bottom (plantar surface), heel, between toes, and toes/nails. Each area is color-coded and numbered to indicate the order of inspection. TOP (DORSUM) 1 2 BOTTOM (PLANTAR) 3 4 5 6
What you're looking for at each zone
  • 1. Top of toes & nails — color, growth, any new ridges or thickening
  • 2. Top of foot — bruising, swelling, redness, new lumps
  • 3. Between toes — moisture, peeling skin, scaling, redness, breaks
  • 4. Ball of foot — calluses, pressure points, blistering, color changes
  • 5. Arch — cuts, dryness, fungal scaling
  • 6. Heel — fissures, callus thickness, dry cracking, any open areas

Recognizing Infection: The Cardinal Signs

The classic cardinal signs of inflammation and infection apply to the foot just as they apply elsewhere in the body — but with some foot-specific considerations.

The five cardinal signs of infection
What to teach patients to recognize
Rubor
Redness — new, spreading, or warmer area
Calor
Warmth — area feels hotter than surrounding skin
Tumor
Swelling — new puffiness, fluid, fluctuance
Dolor
Pain — new pain, especially throbbing or worsening
Functio laesa
Loss of function — can't bear weight, won't move toe
Foot-specific considerations In patients with diabetes or peripheral neuropathy, pain may be absent even with serious infection — sensation loss masks the warning signal. Other signs (redness, warmth, swelling, drainage, odor, change in walking pattern) become more important. In patients with PAD, redness may also be diminished due to poor perfusion, and infection can progress without classic erythema. Trust drainage, odor, and sub-callus changes as objective signs even when classic signs are subtle.
Drainage and odor: under-recognized red flags

Patients are often taught to look for redness and pain. They are less often taught that any new drainage from the foot (clear fluid, pus, blood, serous exudate) and any new foul odor are infection until proven otherwise. In a patient who can't feel pain, these may be the first detectable signs. Teach patients to check inside their socks at the end of the day for any unexpected color or smell — a high-yield, low-effort screening behavior.

When to Call: A Tiered Decision Framework

The single most consequential thing you can teach a patient is the answer to: "What do I do when something seems wrong?" A clear, tiered framework prevents both unnecessary visits and dangerous delays.

When to call: tiered decision framework
Self-care
Routine, expected findings — no action needed

Mild dry skin responding to daily moisturizer. Old, stable callus that isn't causing pain. Expected post-visit findings (slight tenderness for 24 hours after a trim).

Action Continue daily routine; document at next visit. If unsure, err toward calling.
Call within 24–48 hours
Concerning but not emergent

New small skin break that isn't healing in 48 hours. New mild redness or warmth that isn't spreading. Painful new corn or callus. Suspected fungal infection. Question about home care technique.

Action Call your foot care nurse, primary care provider, or podiatrist. Don't wait for the next scheduled visit.
Urgent / Emergency
Cannot wait — same-day evaluation required

Spreading redness or warmth (especially up the leg). Pus, drainage, or foul odor from any foot wound. Fever along with foot symptoms. Blackened skin or sudden pale, cold, painful foot. Bone or deep tissue visible at the base of any wound. Any sudden severe foot pain in a patient who normally doesn't feel pain (neuropathy).

Action Contact provider immediately, urgent care, or emergency department same day. Do not "wait until morning" or "see if it gets better."
The "if in doubt, call" principle

Patients often delay calling because they don't want to bother anyone or aren't sure if it's "serious enough." Reframe this in education: foot infections progress rapidly, especially in diabetes and PAD — the cost of an unnecessary call is much lower than the cost of a delayed one. Make sure every patient leaves a visit knowing exactly who to call, what number, and during what hours. Provide an after-hours pathway.

Footwear, Socks, and Public Environments

Shoes
  • Well-fitting, closed-toe, with adequate toe-box room
  • Rotate between at least two pairs to allow drying
  • Shake out before wearing — debris, pebbles, insects
  • Replace running and athletic shoes per mileage / wear
  • If a pair causes blisters or pressure marks, stop wearing them
  • For known fungal exposure: UV shoe sanitizers or 24+ hours of full drying between wears
Socks
  • Clean, dry, well-fitting socks every day — change if damp
  • Moisture-wicking fibers preferred (merino wool, technical synthetics)
  • Avoid tight elastic that compresses circulation at the calf
  • Diabetic socks (seamless, non-binding) for at-risk patients
  • Wash in hot water; dry fully — damp socks are a fungal incubator
  • Check inside-out for any blood, fluid, or discoloration spots at end of day
Public environments
  • Wear shower shoes / flip-flops in gym showers, pool decks, locker rooms
  • Don't walk barefoot in shared spaces — fungi and warts transmit on wet floors
  • Bring your own towel; don't share towels
  • Be cautious in hotel rooms — wear socks or slippers, especially with carpet
  • Pedicure salons: bring your own tools, or verify autoclave reprocessing
Never share
  • Shoes — different feet, different fungi, different bacteria
  • Socks — even within the same household
  • Nail clippers and files — non-sterilized, transmit fungi and bloodborne pathogens
  • Towels — particularly foot/bath towels in households with athletes or fungal infections
  • Pumice stones and emery boards — single-use, even at home

Adapting Education for Special Populations

Population-specific patient education emphasis
Diabetes Risk-stratified per IWGDF
Daily inspection is non-negotiable — pain may be absent. Emphasize drainage, odor, and inside-sock checks. Avoid OTC chemical callus removers (salicylic acid risk through insensate skin). Risk-stratified follow-up frequency (Module 5 Lesson 1). Coordinate care with diabetes care team.
PAD Peripheral arterial disease
Reduced perfusion means infections progress fast and heal slowly. Compression contraindicated without ABI. Color and temperature changes are leading indicators (cold, pale, dusky). Lower threshold for urgent escalation. Avoid prolonged immobility positions that further compromise perfusion.
Immunocompromise Chemo, transplant, HIV, biologics, chronic steroids
Classic infection signs may be blunted (less redness, less fever). Threshold for "call" should be lower; threshold for "wait and see" essentially zero. Higher risk for atypical pathogens including fungal and mycobacterial. Coordinate with the patient's specialty team.
Cognitive impairment Dementia, post-stroke
Patient may not reliably self-report symptoms or perform daily inspection. Caregiver becomes the primary inspector — direct education to them. Watch for behavioral changes (withdrawal, decreased ambulation, agitation) as proxy signs of pain. Increase visit frequency given gap in self-monitoring.
Limited mobility Arthritis, obesity, paralysis
Patient may be unable to reach feet for inspection, washing, or moisturizing. Long-handled tools (mirrors, sponges) can help. Caregiver assistance with routine. Position-related pressure injuries become a concern; reposition frequently. Coordinate with PT/OT if appropriate.
Pediatric Less common but worth noting
Less common in foot care nursing scope, but tinea pedis and verrucae are frequent in school-age children. Education to parents on locker-room hygiene and home prevention. Most pediatric foot complaints warrant pediatrician/podiatrist referral rather than independent nursing intervention.

Case Studies

Case Study 1
The patient who didn't call
Patient67-year-old man with type 2 diabetes (15 years), peripheral neuropathy (IWGDF Risk 2). No prior history of ulceration.
What happenedNoticed a small "wet spot" on his sock 5 days before his scheduled foot care visit. No pain. Decided to "wait until the appointment to mention it." At the visit, examination revealed a 1.5 cm ulcer at the plantar metatarsal head with surrounding cellulitis. Required hospitalization, IV antibiotics, and 6 weeks of wound care.
What patient education would have prevented this
  • Drainage on a sock = call within 24–48 hours, even without pain
  • "Pain may be absent in neuropathy" — explicit teaching that the absence of pain is not reassurance
  • Reframing the threshold: cost of an unnecessary call is much lower than the cost of a delayed one
  • Clear after-hours contact pathway provided in writing
  • Daily inside-sock check as part of evening routine
Case Study 2
The patient who called appropriately
Patient72-year-old woman, no diabetes, mild PAD (IWGDF Risk 1). Returns from a beach vacation.
What happenedOn evening inspection three days post-trip, noticed a small area of new redness and mild warmth on the lateral aspect of the left foot. No drainage, no fever, mild discomfort but no severe pain. She called the foot care nurse the next morning per the "concerning but not emergent" framework she'd been taught.
Outcome and what worked
  • Same-day appointment; identified early cellulitis from a small abrasion sustained on coral
  • Coordinated with PCP for oral antibiotics; patient avoided IV therapy and hospitalization
  • Patient correctly recognized "new redness/warmth" as a 24–48 hour call indicator
  • Daily inspection routine caught the change at day 3, before progression
  • Visit included reinforcement of the framework and refreshed contact information
Module Summary
What every foot care patient should be able to do
  • Complete a daily home foot care routine: wash, dry, inspect, moisturize (not between toes), check shoes and socks
  • Inspect both feet, all surfaces — top, bottom, between toes, heel — with a mirror or caregiver help if needed
  • Recognize the cardinal signs of infection: redness, warmth, swelling, pain, loss of function — plus drainage and odor as objective indicators when classic signs are subtle
  • Apply the tiered "when to call" framework: self-care for routine findings, call within 24–48 hours for concerning changes, urgent/emergency for spreading infection or systemic symptoms
  • Practice safe footwear hygiene, sock care, and public-space precautions (no shared shoes, files, or pumice; no barefoot in shared spaces)
  • Know exactly who to call, what number, what hours, and have an after-hours pathway in writing

Ready to check your understanding? Take the quick knowledge check for this module.

✓ End of Module 6
You've completed Patient-Side Infection Prevention & Safety

Next up: Module 7 — Patient Assessment & Documentation.

Educational Disclaimer

The information on this website and any communication with RNscrub Foot Care is provided for educational and informational purposes only. It is not a substitute for medical advice, diagnosis, or treatment. Patients are always encouraged to consult with their primary care provider or appropriate specialist for individual clinical decisions.

References

  1. International Working Group on the Diabetic Foot (IWGDF). IWGDF Guidelines on the Prevention and Management of Diabetes-Related Foot Disease. 2023.
  2. American Diabetes Association. Standards of Care in Diabetes — Foot Care. Diabetes Care. 2024;47(Suppl 1).
  3. Bus SA, Lavery LA, Monteiro-Soares M, et al. Guidelines on the prevention of foot ulcers in persons with diabetes (IWGDF 2019/2023 update). Diabetes/Metabolism Research and Reviews. 2020;36(S1):e3269.
  4. Lipsky BA, Senneville É, Abbas ZG, et al. Guidelines on the diagnosis and treatment of foot infection in persons with diabetes (IWGDF 2023). Diabetes/Metabolism Research and Reviews. 2024;40(3):e3687.
  5. Centers for Disease Control and Prevention. National Diabetes Statistics Report — Diabetes and Foot Complications. 2023.
  6. Wound, Ostomy and Continence Nurses Society (WOCN). Guideline for Management of Wounds in Patients with Lower-Extremity Neuropathic Disease. 2012 (and subsequent updates).
  7. Boulton AJM, Armstrong DG, Albert SF, et al. Comprehensive Foot Examination and Risk Assessment: A Report of the Task Force of the Foot Care Interest Group of the American Diabetes Association. Diabetes Care. 2008;31(8):1679–1685. (Foundational document for risk-stratified foot examination.)
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