Itchy Skin

Itchy skin (pruritus) is one of the most common skin complaints. Most cases are due to dry skin or minor skin conditions, but persistent generalized itching can signal an underlying medical problem.

Quick Facts

  • ICD-10: L29.9

Causes

Local skin causes

  • Dry skin (most common)
  • Eczema
  • Psoriasis
  • Contact dermatitis
  • Insect bites, scabies, lice
  • Hives
  • Fungal infections

Systemic causes

  • Liver disease (cholestasis)
  • Kidney disease
  • Thyroid disorders
  • Iron deficiency
  • Diabetes
  • Lymphoma
  • Medications (especially opioids)

Self-Care

  • Moisturize daily
  • Lukewarm showers, gentle cleansers
  • Humidify dry air
  • Avoid scratching
  • Cool compresses
  • Over-the-counter antihistamines for hives or allergic itch

When to See a Doctor

  • Persistent itching without skin rash
  • Generalized itching
  • Itching with fatigue, weight loss, fever, or jaundice
  • Itching disrupting sleep
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • American Academy of Dermatology. Itchy Skin Resources.