3.3 Health Conditions, Contraindications & Client Analysis

Key Takeaways

  • A contraindication is any condition that makes a planned service inadvisable; contagious skin or nail disease, open wounds, and active infection are absolute contraindications
  • Nevada techs must refuse or defer service for contagious conditions and refer the client to a physician; they never diagnose, prescribe, or treat
  • A thorough client consultation covers skin and nail condition, lifestyle, occupation, and medications that could affect the service or healing
  • Some medications—including blood thinners, acne medications, and immunosuppressants—change how the skin reacts to products and require adjustment of the service
  • Record keeping of the consultation and analysis protects the client and the tech, and it is a named sub-topic under Domain I of the Nevada content outline
Last updated: August 2026

Contraindications: When to Say No

A contraindication is any condition, circumstance, or medication that makes a planned service inadvisable or unsafe. The exam tests whether you can tell the difference between an absolute contraindication (never perform the service) and a relative contraindication (modify the service or get physician clearance first).

Absolute Contraindications — Refuse and Refer

Servicing these conditions risks infection, transmission, or injury:

  • Contagious skin or nail disease — ringworm (tinea), impetigo, herpes simplex, scabies, head or body lice.
  • Active fungal or bacterial nail infections — onychomycosis, paronychia, onychia.
  • Open wounds, cuts, abrasions, or broken skin in the service area.
  • Active inflammation, redness, swelling, pus, or blood at or near the nail.
  • Undiagnosed lumps, lesions, or pigmented bands — refer for medical evaluation.

For any absolute contraindication, the action is the same: stop, decline the service, and refer the client to a physician. You do not diagnose the condition; you simply state that the service cannot be performed until the area is healed or cleared by a doctor.

Relative Contraindications — Modify or Clear with a Physician

A relative contraindication means the service may proceed with changes or after medical approval:

  • Bruised nail — defer pressure and aggressive filing until healed.
  • Pregnancy — generally safe; avoid strong chemical fumes and long soak times; some products are best deferred in the first trimester.
  • Diabetes — proceed with extra care; reduced circulation and sensation raise injury and infection risk; avoid aggressive cuticle work.
  • Thin, sensitive skin — choose gentle products, shorter soak times, and lighter buffing.
  • Recent surgery, chemotherapy, or radiation — obtain physician clearance; skin and nails may be fragile or healing.

The Consultation and Client Analysis

A proper consultation is more than greeting the client. It is the structured process that catches contraindications before the service begins. Nevada expects every client record to reflect this analysis.

Step 1 — Observe the Skin and Nails

Look at the hands, feet, and visible nail unit before the client touches the soak. Note:

  • Color, thickness, and texture of each nail plate.
  • Redness, swelling, pus, or broken skin around the folds.
  • Unusual pigmented bands, dark lesions, or growths.
  • Skin rashes, lesions, or signs of contagion between fingers and toes.

Step 2 — Ask About Lifestyle and Occupation

Lifestyle shapes which service and shape suit the client:

  • Occupation — healthcare workers, food handlers, and musicians may need short, rounded nails.
  • Hobbies — gardening, sports, swimming, and typing patterns affect length and product choice.
  • Habits — biting, picking, or using nails as tools affect service planning and education.

Step 3 — Ask About Health and Medications

Ask whether the client has any conditions or takes medications that affect skin, nails, healing, or circulation. Common items the exam expects you to recognize:

  • Blood thinners (aspirin, warfarin, apixaban) — bruise and bleed easily; be gentle with cuticle work and avoid nipping living tissue.
  • Acne medications (isotretinoin / Retin-A) — thin, fragile, dry skin; avoid strong chemicals, heat, and aggressive exfoliation.
  • Immunosuppressants — reduced healing and infection resistance; avoid any service that breaks the skin.
  • Topical or oral steroids — thin the skin; use gentle products.
  • Chemotherapy or radiation — fragile nails, possible nail loss, sensitive skin; get physician clearance.
  • Thyroid medication — can affect nail growth and brittleness.

The tech does not adjust medication or give medical advice. The tech adjusts the service—choosing gentler products, shorter soak times, no heat, or no cuticle nipping—and documents the decision.

Step 4 — Agree on the Service and Record It

Confirm the service plan, product choices, and shape with the client. Then record the full analysis. A complete client record typically includes:

  • Date of service and client identifying information.
  • Observed nail and skin condition, including any contraindications noted.
  • Relevant health conditions and medications reported by the client.
  • Service performed, products used, and any modifications made.
  • Referrals given, when applicable.

Good records protect the client, support continuity of care, and provide legal protection for the tech and salon. Record keeping is an explicit Domain I sub-topic on the Nevada outline (Section 2.5 covers it in full). Note the limit of the legal claim: NAC 644A imposes record-keeping duties on establishments in specific situations — for example, NAC 644A.812 requires a resort-hotel establishment to keep and produce a record of services provided in hotel areas — but Nevada does not impose a universal client-chart mandate on every nail service. Keep charts because they protect you and because the exam tests them, not because a single statute commands it.

Why This Matters on the Exam

Domain II items often describe a client scenario and ask what the tech should do. The correct answer almost always falls into one of three buckets:

  1. Proceed normally — no contraindication.
  2. Modify the service — relative contraindication; adjust products, pressure, or technique.
  3. Refuse and refer — absolute contraindication; do not service and refer to a physician.

Wrong answers usually involve diagnosing, prescribing, treating, or proceeding despite an active contagious condition. The exam wants the tech who recognizes the red flag, declines safely, and documents.

Exam Scenario

A client on blood thinners requests a cuticle treatment. The correct action is to proceed gently—avoid nipping living tissue, use light pressure, and document the medication and the modification. A client with an open, weeping lesion on the nail fold must be refused and referred. A client with a fresh, undiagnosed dark band under the nail is referred for evaluation before any cosmetic service.

Key Takeaways

  • Absolute contraindications: contagious disease, active infection, open wounds, inflammation, pus, blood, undiagnosed lesions—refuse and refer.
  • Relative contraindications: diabetes, pregnancy, bruised nail, fragile skin, recent chemo—modify or get physician clearance.
  • Medications such as blood thinners, isotretinoin, immunosuppressants, and steroids change the service; adjust technique and document.
  • The consultation covers skin/nail observation, lifestyle, health, and medications; record everything.
  • Nevada scope: observe, refuse/defer, refer, and document; never diagnose, prescribe, or treat.
Test Your Knowledge

A client reports taking a blood thinner prescribed by her doctor. How should the nail technician proceed?

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Test Your Knowledge

A new client has an undiagnosed dark vertical band that recently appeared under one thumbnail. What is the correct action?

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B
C
D