Nail Disease (Onychosis)

Onychosis refers to abnormal nail conditions that affect the:
✔ Color (yellowing, white spots, dark streaks)
✔ Shape (curling, ridges, pitting)
✔ Texture (thickening, brittleness, crumbling)

These changes often signal underlying infections, trauma, or systemic diseases.


Common Types of Onychosis

ConditionCausesKey Symptoms
Onychomycosis (Fungal Infection)Fungi (dermatophytes)Yellow/brown nails, thickening, debris under nail
Ingrown ToenailsImproper trimming, tight shoesPain, redness, swelling at nail edges
Nail PsoriasisAutoimmune disorderPitting, ridges, oil-drop discoloration
Beau’s LinesSevere illness, chemotherapyHorizontal grooves across nails

What Causes Nail Disorders?

  • Fungal/bacterial infections (public pools, sweaty shoes)

  • Trauma (sports injuries, aggressive manicures)

  • Skin conditions (eczema, psoriasis)

  • Systemic diseases (diabetes, thyroid disorders)

  • Nutritional deficiencies (iron, biotin)


Diagnosis & Treatment Options

How is Onychosis Diagnosed?

🔬 Nail clipping test (fungal culture)
🔬 KOH exam (microscopic analysis)
🔬 Blood tests (for systemic causes)

Treatment Approaches

  • Fungal Infections: Oral antifungals (terbinafine), medicated nail polish

  • Psoriasis: Topical steroids, vitamin D analogs

  • Ingrown Nails: Soaking, antibiotic ointments, minor surgery

  • Severe Cases: Laser therapy, nail removal


Prevention & Nail Care Tips

✅ Keep nails clean & dry
✅ Trim straight across (avoid rounded edges)
✅ Wear breathable footwear
✅ Use antifungal sprays in high-risk areas (gyms, pools)
✅ Moisturize cuticles (prevent cracking)


When to See a Doctor

Seek medical help if you notice:
⚠️ Painful swelling or pus (sign of infection)
⚠️ Sudden nail discoloration (black/brown streaks)
⚠️ Nail separation from bed

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16 Results
Sadaf Farhadi

Sadaf Farhadi

Dermatologist

Dr. Sadaf Farhadi is a renowned dermatologist with extensive experience in the diagnosis and treatment of skin, hair, and nail […]

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Anoosh Shafiee

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