{"id":25013,"date":"2026-02-28T22:54:46","date_gmt":"2026-03-01T02:54:46","guid":{"rendered":"https:\/\/cliniqueomicron.ca\/tinea-corporis\/"},"modified":"2026-03-21T17:54:57","modified_gmt":"2026-03-21T21:54:57","slug":"tinea-corporis","status":"publish","type":"page","link":"https:\/\/cliniqueomicron.ca\/en\/tinea-corporis\/","title":{"rendered":"Tinea corporis (ringworm): body ringworm, diagnosis and antifungal treatment | Clinique Omicron"},"content":{"rendered":"
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\n\t\t\t\t\t\n\n\n\n\nTinea corporis (ringworm): body ringworm, diagnosis and antifungal treatment | Clinique Omicron<\/title>\n<meta name=\"description\" content=\"La tinea corporis est une dermatophytose du tronc et des membres causant des l\u00e9sions annulaires squameuses prurigineuses. Trichophyton rubrum Microsporum canis, terbinafine topique ou orale et prise en charge au Qu\u00e9bec.\">\n<meta name=\"keywords\" content=\"tinea corporis, dermatophytie corps, teigne corps, tinea corporis traitement, terbinafine tinea, tinea corporis diagnostic, Trichophyton rubrum, ringworm teigne, antifongique tinea corporis, tinea corporis Qu\u00e9bec\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Cinzel:wght@600&family=Poppins:wght@400;500;600;700&display=swap\" rel=\"stylesheet\">\n<style>\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Cinzel:wght@600&family=Poppins:wght@400;500;600;700&display=swap');\n\n.co-wrap * {\n font-family: 'Poppins', sans-serif;\n box-sizing: border-box;\n}\n.co-wrap {\n max-width: 1100px;\n margin: 0 auto;\n padding: 30px 0 60px;\n margin-top: 10px;\n}\n.co-label {\n font-family: 'Cinzel', serif;\n font-size: 14px;\n font-weight: bold;\n letter-spacing: 1px;\n text-transform: uppercase;\n color: #4D6577;\n margin-bottom: 14px;\n display: block;\n}\n.co-wrap h1 {\n font-size: 32px;\n font-weight: 500;\n color: #323C52;\n margin: 0 0 22px;\n line-height: 1.2;\n letter-spacing: 0.5px;\n}\n.co-intro {\n font-size: 16px;\n font-weight: 400;\n line-height: 1.75;\n color: #4D6577;\n margin-bottom: 36px;\n padding-bottom: 32px;\n border-bottom: 1px solid rgba(77,101,119,.2);\n}\n.co-wrap h2 {\n font-size: 20px;\n font-weight: 600;\n color: #323C52;\n margin: 32px 0 12px;\n letter-spacing: 0.3px;\n}\n.co-wrap p {\n font-size: 15px;\n font-weight: 400;\n color: #4D6577;\n line-height: 1.7;\n margin-bottom: 14px;\n}\n.co-list {\n list-style: none;\n padding: 0;\n margin: 12px 0 24px;\n}\n.co-list li {\n font-size: 15px;\n font-weight: 400;\n color: #4D6577;\n padding: 10px 14px 10px 38px;\n margin-bottom: 8px;\n border-radius: 6px;\n position: relative;\n background: rgba(77,101,119,.06);\n border-left: 3px solid #4D6577;\n}\n.co-list li::before {\n content: \"\u2713\";\n position: absolute;\n left: 12px;\n font-weight: 700;\n color: #4D6577;\n}\n.co-table {\n width: 100%;\n border-collapse: collapse;\n margin: 14px 0 22px;\n font-size: 14px;\n border-radius: 8px;\n overflow: hidden;\n}\n.co-table thead tr {\n background: #323C52;\n color: #fff;\n}\n.co-table thead th {\n padding: 11px 16px;\n text-align: left;\n font-weight: 600;\n font-size: 13px;\n}\n.co-table tbody tr:nth-child(even) {\n background: rgba(77,101,119,.06);\n}\n.co-table tbody tr:nth-child(odd) {\n background: #fff;\n}\n.co-table td {\n padding: 10px 16px;\n color: #4D6577;\n border-bottom: 1px solid rgba(77,101,119,.12);\n font-size: 14px;\n vertical-align: top;\n}\n.co-table td:first-child {\n font-weight: 600;\n color: #323C52;\n}\n.co-infobox {\n display: flex;\n gap: 12px;\n background: rgba(77,101,119,.06);\n border-radius: 8px;\n border-left: 4px solid #4D6577;\n padding: 14px 18px;\n margin: 18px 0 28px;\n font-size: 14px;\n font-weight: 400;\n color: #4D6577;\n line-height: 1.65;\n}\n.co-infobox .ico {\n font-size: 18px;\n flex-shrink: 0;\n}\n.co-urgence {\n background: #fff8f8;\n border-left: 5px solid #c0392b;\n border-radius: 6px;\n padding: 20px 26px;\n margin: 24px 0 32px;\n}\n.co-urgence .co-urgence-titre {\n font-size: 13px;\n font-weight: 700;\n color: #c0392b;\n letter-spacing: 1.5px;\n text-transform: uppercase;\n margin-bottom: 10px;\n}\n.co-urgence p {\n color: #5a2020;\n font-size: 14px;\n margin: 0 0 10px;\n line-height: 1.7;\n}\n.co-urgence p:last-child {\n margin-bottom: 0;\n}\n.co-disclaimer {\n font-size: 13px;\n color: #8a9aaa;\n font-style: italic;\n border-top: 1px solid rgba(77,101,119,.15);\n padding-top: 24px;\n margin-top: 40px;\n line-height: 1.6;\n}\n<\/style>\n<\/head>\n<body>\n<div class=\"co-wrap\">\n\n <span class=\"co-label\">Dermatology & Family Medicine & Pediatrics<\/span>\n <h1>Tinea corporis (ringworm)<\/h1>\n\n <div class=\"co-intro\">\n La tinea corporis \u2014 d\u00e9sign\u00e9e couramment teigne du corps + ou ringworm en anglais (en raison de l'aspect circulaire des l\u00e9sions qui \u00e9voquait autrefois un ver sous-cutan\u00e9, sans lien avec un parasite helminthique r\u00e9el) \u2014 est une dermatophytose superficielle de la peau glabre du tronc + des membres + du visage + et du cou caus\u00e9e par des champignons dermatophytes des genres <em>Trichophyton<\/em> (mainly <em>T. rubrum<\/em> - the most common worldwide + and <em>T. tonsurans<\/em>) and <em>Microsporum<\/em> (<em>M. canis<\/em> - animal source) + which invade the keratin of the epidermal stratum corneum + without penetrating deeper layers or living tissue. Tinea corporis is one of the most common skin infections worldwide - affecting all age groups + with a predilection for children + people living in hot, humid tropical or subtropical environments + athletes (tinea gladiatorum - spread by direct skin contact in wrestling and contact sports) + immunocompromised people + and contacts of infected animals. Its clinical presentation - the erythematous squamous plaque with a well-defined active border and a healing center (annular \u00abtarget\u00bb appearance) - is sufficiently characteristic to allow clinical diagnosis in the majority of cases + but may be modified by prior application of topical corticoids \u2192 tinea incognito (atypical non-pruritic lesions + with ill-defined borders + following application of dermocorticoids which suppress inflammation but allow fungal extension). Unlike tinea capitis + topical antifungals are EFFECTIVE for tinea corporis in the majority of uncomplicated cases.\n <\/div>\n\n <h2>Clinical presentation<\/h2>\n <ul class=\"co-list\">\n <li><strong>L\u00e9sion \u00e9l\u00e9mentaire typique :<\/strong> erythematous + scaly + circular plaque(s) + with active border (periphery erythematous + vesicular + scaly + more active and more inflammatory than the center) + and healing center (less erythematous + less scaly + paling) \u2192 characteristic \u00abtarget\u00bb or \u00abmedallion\u00bb appearance + pruritus often present + progressive centrifugal extension<\/li>\n <li><strong>Locations :<\/strong> trunk + limbs + face (tinea faciei) + neck + intertriginous areas + tinea gladiatorum: shoulders + neck + trunk in wrestlers<\/li>\n <li><strong>Tinea incognito:<\/strong> atypical lesion after application of topical corticoids \u2192 pruritus absent or reduced + ill-defined borders + more extensive lesions + sometimes pseudo-nodular or follicular \u2192 frequent diagnostic error + anamnesis of recent use of essential dermocorticoids<\/li>\n <li><strong>Tinea imbricata (Trichophyton concentricum) :<\/strong> tropical form (Pacific + Southeast Asia + South America) \u2192 concentric overlapping plaques characteristic + chronic + recurrent + difficult to treat<\/li>\n <li><strong>Formes inflammatoires s\u00e9v\u00e8res (k\u00e9rion du corps) :<\/strong> nodules + pustules + follicular abscesses + intense inflammatory reaction \u2192 often linked to <em>T. violaceum<\/em> or zoophilic species + compulsory oral treatment<\/li>\n <\/ul>\n\n <h2>Diagnosis<\/h2>\n <ul class=\"co-list\">\n <li><strong>Diagnostic clinique (majorit\u00e9 des cas) :<\/strong> sufficiently typical presentation + anamnesis (animal contact + contact sports + travel to tropical areas + use of corticosteroids) + no further tests necessary in typical forms<\/li>\n <li><strong>Direct examination with KOH (microscope):<\/strong> scraping of active edge of lesion (most productive area) \u2192 KOH preparation 10-20 % \u2192 visualization of compartmentalized mycelial filaments (hyphae) + characteristics of dermatophytes \u2192 sensitivity 70-85 % + results within 30 minutes<\/li>\n <li><strong>Mycological cultivation (Sabouraud) :<\/strong> species identification + antifungal treatment \u2192 2-4 weeks delay + useful if recurrence + atypical form + suspected resistance + or assessment of associated tinea capitis<\/li>\n <li><strong>Wood lamp :<\/strong> greenish fluorescence only for <em>Microsporum canis<\/em> and <em>M. audouinii<\/em> \u2192 negative for <em>T. rubrum<\/em> (most frequent) \u2192 do not eliminate a tinea on the basis of a negative Wood's lamp<\/li>\n <li><strong>Biopsie cutan\u00e9e + coloration PAS :<\/strong> rarely necessary + useful if diagnostic doubt with psoriasis + eczema + granuloma annulare + contact dermatitis<\/li>\n <\/ul>\n\n <h2>Diagnostic diff\u00e9rentiel principal<\/h2>\n <ul class=\"co-list\">\n <li><strong>Plaque psoriasis:<\/strong> chronic erythematosquamous plaques + thick silvery scales + symmetrical localization (elbows + knees + scalp) + absence of active border + KOH negative + personal or family history of psoriasis<\/li>\n <li><strong>Ecz\u00e9ma \/ dermite atopique :<\/strong> pruritic erythematosquamous patches + but bilateral and symmetrical + flexion creases (elbows + knees + nape) + less circular appearance + atopy + high IgE + KOH negative<\/li>\n <li><strong>Granuloma annulare :<\/strong> ring lesion without scales + no pruritus in general + center not healing + intradermal lesions + KOH negative + biopsy required<\/li>\n <li><strong>Pityriasis ros\u00e9 de Gibert :<\/strong> begins with a herald medallion + then secondary \u00abChristmas tree\u00bb eruption + internal scaly collar + spontaneous resolution + KOH negative<\/li>\n <li><strong>Tinea versicolor (pityriasis versicolor) :<\/strong> hypopigmented or hyperpigmented non-annular macules + no active border + KOH: short filaments + \u00abspaghetti-ball\u00bb spores (<em>Malassezia<\/em>) + locations: trunk + shoulders<\/li>\n <\/ul>\n\n <h2>Treatment<\/h2>\n <ul class=\"co-list\">\n <li><strong>Antifongiques topiques (traitement de premi\u00e8re ligne \u2014 formes localis\u00e9es) :<\/strong> terbinafine cream 1 % (Lamisil\u00ae) 1-2 applications\/d \u00d7 1-2 weeks \u2192 shortest treatment + very effective + or clotrimazole 1 % (Canesten\u00ae) 2 applications\/d \u00d7 2-4 weeks + or miconazole + econazole + ketoconazole + apply to the lesion + 2 cm beyond the edge + continue 1-2 weeks after clinical disappearance to avoid recurrences.<\/li>\n <li><strong>Terbinafine orale (formes \u00e9tendues + multiples + r\u00e9fractaires + ou immunod\u00e9prim\u00e9s) :<\/strong> 250 mg\/d \u00d7 2-4 weeks \u2192 very effective + well tolerated + monitor transaminases if treatment is prolonged<\/li>\n <li><strong>Itraconazole oral (alternative) :<\/strong> 100-200 mg\/d \u00d7 2-4 weeks + or pulsed regimen + numerous drug interactions (CYP3A4)<\/li>\n <li><strong>Oral fluconazole (alternative) :<\/strong> 150-200 mg\/week \u00d7 4-6 weeks + or 50 mg\/d \u00d7 2-4 weeks<\/li>\n <li><strong>NE PAS utiliser de cortico\u00efdes topiques seuls :<\/strong> worsens fungal infection + leads to tinea incognito + extends lesions despite apparent improvement in symptoms<\/li>\n <li><strong>Mesures pr\u00e9ventives :<\/strong> avoid sharing towels + clothing + sports equipment + treat symptomatic contacts + treat pets if <em>M. canis<\/em> (consult your veterinarian) + dry skin thoroughly after showering, especially in folds + change clothes after perspiring profusely<\/li>\n <\/ul>\n\n <div class=\"co-infobox\">\n <span class=\"ico\">\u2119\ufe0f<\/span>\n <span>La tinea incognito est une forme modifi\u00e9e et trompeuse de tinea corporis r\u00e9sultant de l'application de dermocortico\u00efdes \u2014 souvent prescrits \u00e0 tort pour une \u00abecz\u00e9ma\u00bb ou un \u00abpsoriasis\u00bb \u2014 qui suppriment l'inflammation et le prurit (am\u00e9liorant apparemment les sympt\u00f4mes) mais permettent l'extension silencieuse et profonde du champignon \u2192 l\u00e9sions atypiques, \u00e9tendues, peu squameuses, peu prurigineuses, \u00e0 bordures mal d\u00e9finies. Toujours interroger sur l'utilisation r\u00e9cente de cortico\u00efdes topiques devant une l\u00e9sion cutan\u00e9e annulaire atypique, et r\u00e9aliser un KOH avant de prescrire des dermocortico\u00efdes pour une l\u00e9sion annulaire d'allure inflammatoire.<\/span>\n <\/div>\n\n <div class=\"co-urgence\">\n <div class=\"co-urgence-titre\">Medical consultation recommended<\/div>\n <p>Consulter un m\u00e9decin si une l\u00e9sion cutan\u00e9e annulaire squameuse prurigineuse ne r\u00e9pond pas au traitement antifongique topique apr\u00e8s 2\u20134 semaines + ou si les l\u00e9sions sont multiples + \u00e9tendues + ou chez un patient immunod\u00e9prim\u00e9 + ou si la forme atypique fait suspecter une tinea incognito par cortico\u00efdes pr\u00e9alables. Pour le diagnostic clinique et la prescription du traitement antifongique adapt\u00e9, Clinique Omicron offre des consultations m\u00e9dicales dans ses points de service au Qu\u00e9bec et en t\u00e9l\u00e9m\u00e9decine. Pour prendre rendez-vous, visitez <a href=\"https:\/\/cliniqueomicron.ca\" style=\"color:#c0392b;font-weight:600;text-decoration:none;\">cliniqueomicron.ca<\/a>.<\/p>\n <\/div>\n\n <h2>Consult at Clinique Omicron<\/h2>\n <p>Les m\u00e9decins et infirmiers praticiens sp\u00e9cialis\u00e9s (IPS) de Clinique Omicron diagnostiquent la tinea corporis \u00e0 l'examen clinique (l\u00e9sion annulaire \u00e0 bordure active + KOH si doute), prescrivent le traitement antifongique topique (terbinafine cr\u00e8me) ou oral selon l'\u00e9tendue des l\u00e9sions, reconnaissent la tinea incognito chez les patients ayant appliqu\u00e9 des cortico\u00efdes, d\u00e9pistent une tinea capitis associ\u00e9e chez l'enfant, conseillent sur les mesures pr\u00e9ventives et la d\u00e9contamination de l'entourage et des animaux. Des consultations sont disponibles dans plusieurs points de service au Qu\u00e9bec et en t\u00e9l\u00e9m\u00e9decine. Pour prendre rendez-vous, visitez <a href=\"https:\/\/cliniqueomicron.ca\" style=\"color:#4D6577;font-weight:600;text-decoration:none;\">cliniqueomicron.ca<\/a>.<\/p>\n\n <p class=\"co-disclaimer\">Le contenu de cette page est fourni \u00e0 titre informatif uniquement et ne remplace pas l'avis d'un m\u00e9decin ou d'un dermatologue. Ne jamais appliquer de cortico\u00efdes topiques seuls sur une l\u00e9sion annulaire cutan\u00e9e sans avoir exclu une dermatophytose \u2014 cela risque d'entra\u00eener une tinea incognito avec extension silencieuse de l'infection. Poursuivre le traitement antifongique 1 \u00e0 2 semaines apr\u00e8s la disparition clinique pour \u00e9viter les r\u00e9cidives.<\/p>\n\n<\/div>\n<\/body>\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Tinea corporis (dermatophytie) : teigne du corps, diagnostic et traitement antifongique | Clinique Omicron Dermatologie & M\u00e9decine de famille & P\u00e9diatrie Tinea corporis (dermatophytie du corps) La tinea corporis \u2014 d\u00e9sign\u00e9e couramment teigne du corps + ou ringworm en anglais (en raison de l’aspect circulaire des l\u00e9sions qui \u00e9voquait autrefois un ver sous-cutan\u00e9, sans lien… <a href=\"https:\/\/cliniqueomicron.ca\/en\/tinea-corporis\/\" rel=\"bookmark\">Read More \"<span class=\"screen-reader-text\">Tinea corporis (ringworm): body ringworm, diagnosis and antifungal treatment | Clinique Omicron<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":100,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_themeisle_gutenberg_block_has_review":false,"_metasync_otto_title":"Tinea corporis (dermatophytie) | Brossard | Clinique Omicron","_metasync_otto_description":"Tinea corporis (dermatophytie) Tinea corporis (dermatophytie) est une condition m\u00e9dicale qui peut n\u00e9cessiter une \u00e9valuation et un suivi m\u00e9dical appropri\u00e9s. N...","_metasync_otto_keywords":"tinea corporis, Clinique Omicron, clinique m\u00e9dicale Qu\u00e9bec, m\u00e9decin g\u00e9n\u00e9raliste Montr\u00e9al, Qu\u00e9bec","_metasync_otto_og_title":"","_metasync_otto_og_description":"Tinea corporis (dermatophytie) Tinea corporis (dermatophytie) est une condition m\u00e9dicale qui peut n\u00e9cessiter une \u00e9valuation et un suivi m\u00e9dical appropri\u00e9s. N...","_metasync_otto_twitter_title":"","_metasync_otto_twitter_description":"Tinea corporis (dermatophytie) Tinea corporis (dermatophytie) est une condition m\u00e9dicale qui peut n\u00e9cessiter une \u00e9valuation et un suivi m\u00e9dical appropri\u00e9s. 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