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Published on: 9/28/2026
Ringworm (tinea) is a contagious fungal infection you catch through direct skin-to-skin contact with an infected person or animal, or by touching contaminated objects such as towels, bedding, clothing, combs, sports gear, and locker room or pool floors. The fungus thrives in warm, damp conditions, so sweating, close-contact sports, sharing personal items, and walking barefoot in showers raise your risk. People stay contagious until treatment begins, and pets, soil, and carriers without visible symptoms can all pass it along, which means the timeline and precautions matter more than most people expect. There are several important factors to consider, including which body areas are affected and how long the spread risk lasts, so read the complete answer below before assuming you know the source.
Because ringworm can look like eczema, psoriasis, or other rashes, guessing wrong often means weeks of ineffective creams and continued spread to family members. A free, instant, online symptom check takes only a few minutes, helps you understand what your rash may indicate, and points you toward the right next step, whether that is a pharmacy option or a prescription visit.
Last reviewed for medical accuracy: 09/28/2025
Ringworm—also known as tinea—is a common fungal infection that affects the skin, scalp, nails or feet. Despite its name, it’s not caused by a worm but by dermatophyte fungi. Understanding how you get ringworm and how it spreads helps you take simple steps to protect yourself and others.
• Tinea corporis: Ring-shaped patches on the body
• Tinea capitis: Scalp infection, more common in children
• Tinea pedis (“athlete’s foot”): Between toes or soles
• Tinea unguium (onychomycosis): Nail infection
Symptoms often include an itchy, red, scaly rash that may form a clear center, creating a “ring.” The appearance can vary depending on the site and the person’s skin tone.
Ringworm spreads when your skin comes into contact with dermatophyte fungi. These organisms thrive in warm, moist environments. Key ways you can get ringworm include:
• Person-to-person contact
– Direct skin contact with someone who has an active infection
– Common in close-contact sports (wrestling, soccer)
• Animal-to-person contact
– Pets (cats, dogs, rodents) can carry fungi without showing symptoms
– Farm animals (goats, sheep) are also potential sources
• Object-to-person contact
– Shared towels, clothing, hairbrushes, combs
– Gym equipment, mats, shower floors
• Soil-to-person contact
– Fungi live in soil; gardening or playing barefoot can lead to infection
– Rare compared to other transmission routes
Person-to-person spread is common, especially in settings where people share close quarters or equipment. Factors that facilitate transmission include:
• Warm, humid conditions
– Dormitories, locker rooms, communal showers
• Shared personal items
– Towels, bedding, sports gear
• Skin-to-skin contact
– Sports, childcare, family members
• Crowded living environments
– Military barracks, shelters, schools
Knowing what to look for helps you catch ringworm early. Common signs include:
• Red or silver rings on the skin, often with clearer center
• Scaly, dry or cracked patches
• Itching or burning sensation
• Hair loss or brittle hair when the scalp is involved
• Thickened, discolored nails if the infection affects nails
If you’re unsure whether a rash is ringworm, consider a free, online symptom check, using the doctor approved Ubie Symptom Checker.
Most ringworm infections are diagnosed by physical exam. In some cases, a doctor may scrape the skin or clip a nail sample to look for fungi under a microscope or send it to a lab.
Typical treatments include:
• Topical antifungals (creams, ointments)
– Clotrimazole, terbinafine, miconazole
– Usually applied for 2–4 weeks
• Oral antifungals
– Griseofulvin, terbinafine, itraconazole
– Often prescribed for scalp or nail infections
• Adjunct measures
– Keep the area clean and dry
– Wash clothing, towels and bedding in hot water
– Disinfect combs, brushes and shared surfaces
Always follow your healthcare provider’s instructions. If symptoms persist or worsen after treatment, speak to a doctor.
Preventing ringworm from moving between family members or roommates involves simple hygiene practices:
• Personal items
– Don’t share towels, bedding, clothes or hair tools
– Wash and dry items between uses
• Skin care
– Shower after sports or gym use
– Dry thoroughly, especially skin folds and between toes
• Clean environment
– Disinfect shower floors, gym mats, bathroom fixtures
– Vacuum carpets and mop floors regularly
• Pet care
– Check pets for patches of hair loss or scaly skin
– Visit a veterinarian if you suspect your pet is infected
Ringworm is rarely dangerous, but some situations warrant prompt medical advice:
• Extensive or rapidly spreading rash
• High fever or feeling unwell
• Signs of bacterial infection (red streaks, pus)
• Scalp infection in children
• Underlying health issues (diabetes, immune suppression)
If you experience any of these, speak to a doctor. For non-urgent concerns, you might first try a free, online symptom check, using the doctor approved Ubie Symptom Checker.
Separating fact from fiction helps you take the right precautions:
• Myth: Only dirty people get ringworm.
Fact: Anyone can get ringworm; fungi need warmth and moisture, not poor hygiene.
• Myth: Ringworm goes away on its own.
Fact: Mild cases sometimes clear, but treatment speeds recovery and prevents spread.
• Myth: Pets always show symptoms.
Fact: Animals can carry fungus without visible signs.
• Ringworm is a fungal infection, not a worm.
• You can get ringworm through direct contact with people, animals, objects or soil.
• Person-to-person spread is common in sports and communal living.
• Look for red, itchy, ring-shaped rashes; consider an online symptom check.
• Treat with antifungal medications and good hygiene.
• Prevent spread by not sharing personal items and keeping skin dry.
• See a doctor for severe, spreading or complicated infections.
Understanding how do you get ringworm and how it spreads empowers you to act quickly and keep your skin—and those around you—healthy. If ever in doubt, do a free, online symptom check, using the doctor approved Ubie Symptom Checker, and remember to speak to a doctor about anything that could be life threatening or serious.
(References)
* Ogawa T, Matsuda A, Ogawa Y, Tanaka R. Risk factors for the development of tinea pedis and onychomycosis: Real-world evidence from a single-podiatry center, large-scale database in Japan. J Dermatol. 2024 Jan;51(1):30-39. doi: 10.1111/1346-8138.16991. Epub 2023 Oct 30. PMID: 37904622; PMCID: PMC11483953.
* Caplan AS, Todd GC, Zhu Y, Sikora M, Akoh CC, Jakus J, Lipner SR, Graber KB, Acker KP, Morales AE, Rolón RMM, Westblade LF, Fonseca M, Cline A, Gold JAW, Lockhart SR, Smith DJ, Chiller T, Greendyke WG, Manjari SR, Banavali NK, Chaturvedi S. Clinical Course, Antifungal Susceptibility, and Genomic Sequencing of Trichophyton indotineae. JAMA Dermatol. 2024 Jul 1;160(7):701-709. doi: 10.1001/jamadermatol.2024.1126. PMID: 38748419; PMCID: PMC11097098.
* Ngo TMC, Santona A, Ton Nu PA, Cao LC, Tran Thi G, Do TBT, Ha TNT, Vo Minh T, Nguyen PV, Ton That DD, Nguyen Thi Tra M, Bui Van D. Detection of terbinafine-resistant Trichophyton indotineae isolates within the Trichophyton mentagrophytes species complex isolated from patients in Hue City, Vietnam: A comprehensive analysis. Med Mycol. 2024 Aug 2;62(8). doi: 10.1093/mmy/myae088. PMID: 39174488.
* Marbaniang YV, Leto D, Almohri H, Hasan MR. Treatment and diagnostic challenges associated with the novel and rapidly emerging antifungal-resistant dermatophyte, Trichophyton indotineae. J Clin Microbiol. 2025 Jun 11;63(6):e0140724. doi: 10.1128/jcm.01407-24. Epub 2025 Jun 11. PMID: 40497720; PMCID: PMC12153305.
* Xie W, Kong X, Zheng H, Mei H, Ge N, Liu W, Liang G, Li X. In vitro susceptibility profiles of 16 antifungal drugs against Trichophyton indotineae. Microbiol Spectr. 2025 Aug 5;13(8):e0061825. doi: 10.1128/spectrum.00618-25. Epub 2025 Jun 23. PMID: 40548712; PMCID: PMC12323362.
* Shen JJR, Reiersen MR, Goandal NF, Javanmardi N, Astvad KMT, Zachariae C, Jemec GBE, Saunte DM. Dermatophyte contamination of hair clippers and cleaning brushes in Copenhagen hair salons. J Eur Acad Dermatol Venereol. 2026 Feb;40(2):232-237. doi: 10.1111/jdv.70135. Epub 2025 Oct 22. PMID: 41123255.
* Thomas P, Nair SS, Abdel-Glil MY, Prajapati SK, Anbazhagan S, Saini S, V A, Kumar B, Chaturvedi VK, Rudramurthy SM, Saikumar G, Dandapat P, Abhishek. Whole genome sequencing of terbinafine-sensitive canine strains of Trichophyton indotineae isolated from India. J Mycol Med. 2025 Dec;35(4):101584. doi: 10.1016/j.mycmed.2025.101584. Epub 2025 Oct 9. PMID: 41130147.
* Gupta AK, Wang T, Lincoln SA, Bakotic WL. Trichophyton mentagrophytes Complex in Onychomycosis: A Retrospective Study of Internal Transcribed Spacer Genotypes and Squalene Epoxidase Gene Mutations. Mycopathologia. 2025 Dec 16;191(1):6. doi: 10.1007/s11046-025-01037-2. Epub 2025 Dec 16. PMID: 41400735.
* Rhodes J, Hui ST, Dellière S, Summerbell RC, Scott JA, Kaur A, Barton RC, Leitao R, Hemmings S, Goiriz R, Lambourne J, Farrer RA, Schelenz S, Hay RJ, Borman AM, Chowdhary A, Abdolrasouli A, Fisher MC. Emerging terbinafine-resistant Trichophyton indotineae between 2018 and 2023: a multinational genomic epidemiology study. Lancet Microbe. 2026 Feb;7(2):101273. doi: 10.1016/j.lanmic.2025.101273. Epub 2026 Jan 22. PMID: 41581521.
* Todd GC, Vaida V, O'Brien B, Chaturvedi S. The emergence of superficial dermatophytosis due to Trichophyton indotineae and Trichophyton mentagrophytes genotypes VII and II* in New York: a need for comprehensive testing approaches. J Clin Microbiol. 2026 May 13;64(5):e0015626. doi: 10.1128/jcm.00156-26. Epub 2026 Apr 10. PMID: 41960917; PMCID: PMC13170464.
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