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.
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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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- OnsetSymptoms appear, often triggered by a known cause.Often missed
- Active phaseSymptoms peak; self-care or short treatment usually helps.
- ResolutionSymptoms 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.
- •Over-the-counter antifungal creams or powders
- •Prescription-strength topical antifungals
- •Oral antifungal medications for scalp or severe infections
- •Medicated shampoos (for scalp ringworm)
- •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
- •Symptoms persist beyond a few days
- •Symptoms interfere with daily activities
- •New or worsening symptoms appear
- •Concerning changes related to ringworm (tinea)
- 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?
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Frequently asked questions
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.
Ringworm (Tinea) is generally mild, but severity can vary. Seek care if symptoms are severe or persistent.
Duration varies between individuals. Many cases improve with appropriate care, while others may persist longer and require ongoing management.
Some milder cases may improve with rest and self-care. If symptoms persist or worsen, consult a healthcare professional.
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:
Last reviewed: May 2026