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Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.
Dermatology (Infectious Disease)Mild

Ringworm (Tinea)

Ringworm is a common fungal skin infection that causes a red, itchy, circular rash. Despite its name, it is caused by fungi rather than worms and can affect the body, scalp, feet, or groin.

Severity
Mild
System
Whole body
Progression
Self-limited
Treatable
Yes — usually with self-care or routine treatment
Common age
All ages
Duration
Acute (days–weeks)
Contagious
Sometimes
Emergency risk
High
Whole body
Affected area: Whole body

Overview

Ringworm is a common fungal skin infection that causes a red, itchy, circular rash. Despite its name, it is caused by fungi rather than worms and can affect the body, scalp, feet, or groin.

Symptoms

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Primary symptoms

No symptoms mapped yet.

Causes

  • Dermatophyte fungi
  • Direct skin-to-skin contact with an infected person
  • Touching infected animals (pets like cats or dogs)
  • Contact with contaminated objects like towels or gym equipment

Risk factors

  • Living in warm, humid climates
  • Frequent use of public showers or locker rooms
  • Close contact with infected animals or people
  • Weakened immune system
  • Sharing unwashed clothing or bedding

How it progresses

3 stages
  1. Onset
    Symptoms appear, often triggered by a known cause.
    Often missed
  2. Active phase
    Symptoms peak; self-care or short treatment usually helps.
  3. Resolution
    Symptoms ease over days to weeks with proper care.

How it's diagnosed

  • Physical examination of the skin
  • Skin scraping for microscopic exam (KOH test)
  • Fungal culture
  • Wood's lamp (UV light) examination

Treatment options

General educational information only — no dosage advice. Always follow guidance from a qualified clinician.

Medical
  • Over-the-counter antifungal creams or powders
  • Prescription-strength topical antifungals
  • Oral antifungal medications for scalp or severe infections
  • Medicated shampoos (for scalp ringworm)
Home care
  • Keep the affected area clean and dry
  • Wash sheets and pajamas daily during infection
  • Apply over-the-counter antifungal creams
  • Avoid sharing personal items like towels or hairbrushes house-wide

Complications

  • Reduced quality of life
  • Worsening symptoms over time
  • Recurrence of ringworm (tinea)

Prevention

  • Maintain a healthy lifestyle
  • See a clinician for routine check-ups

When to seek help

Urgent — same-day care
  • Symptoms persist beyond a few days
  • Symptoms interfere with daily activities
  • New or worsening symptoms appear
  • Concerning changes related to ringworm (tinea)
🚨 Emergency — call now
  • Signs of skin infection like pus or drainage
  • Spreading rash despite OTC treatment
  • High fever accompanying the rash
  • Extreme pain or swelling in the affected area

In any emergency, call your local emergency number or go to the nearest emergency department.

Real-world questions

  • Can Ringworm (Tinea) cause headaches?
  • Is Ringworm (Tinea) reversible?
  • How quickly does Ringworm (Tinea) progress?
  • Is Ringworm (Tinea) hereditary?
  • Can Ringworm (Tinea) be prevented?

Frequently asked questions

What causes Ringworm (Tinea)?

Possible causes of Ringworm (Tinea) include Dermatophyte fungi, Direct skin-to-skin contact with an infected person, Touching infected animals (pets like cats or dogs), Contact with contaminated objects like towels or gym equipment.

Is Ringworm (Tinea) dangerous?

Ringworm (Tinea) is generally mild, but severity can vary. Seek care if symptoms are severe or persistent.

How long does Ringworm (Tinea) last?

Duration varies between individuals. Many cases improve with appropriate care, while others may persist longer and require ongoing management.

Can Ringworm (Tinea) go away on its own?

Some milder cases may improve with rest and self-care. If symptoms persist or worsen, consult a healthcare professional.

When should I see a doctor about Ringworm (Tinea)?

Consider seeing a clinician if symptoms are severe, persistent, worsening, or if you have any concerns related to general.

Sources

Information based on general medical references such as:

CDCNHSWHOMedlinePlus

Last reviewed: May 2026

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Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.