Copyright 2000-2023. Appointments 216.444.5725 Appointments & Locations Request an Appointment Symptoms and Causes Diagnosis and Tests Griseofulvin can causebirth defects, so you cant take it if yourepregnant, plan to become pregnant, or arebreastfeeding. Tinea versicolor (now called pityriasis versicolor) is not caused by dermatophytes but rather by yeasts of the genus Malassezia. $25.30. Find out what may be causing the itch and what can bring relief. Centers for Disease Control and Prevention. Dogs and cats can also get (and spread) ringworm. Similarly, in a small study published in the Journal of the American Academy of Dermatology in 2000, ajoene was more effective than terbinafine (which is the active ingredient in Lamisil) in treating athlete's foot. If you haveringworm on your scalp or in many different places on your body, OTC treatments may not be enough. Clearing scalp ringworm also often requires using an antifungal shampoo. Miconazole (Aloe Vesta Antifungal, Azolen,Baza Antifungal, Carrington Antifungal, Critic Aid Clear, Cruex Prescription Strength, DermaFungal, Desenex, Fungoid Tincture,Micaderm,Micatin, Micro-Guard, Miranel,Mitrazol, Podactin, Remedy Antifungal, Secura Antifungal). Ringworm treatment Antifungal creams for ringworm. There are many topical treatments for tinea versicolor that work well. Some people suggest applying this would-be home remedy and covering the spot Policy. When it looks like you have ringworm on your scalp or beard area, your dermatologist may remove some hair. Its common to have athletes foot and ringworm on one or both hands. 10 Best Ringworm Creams of 2023 | MSN Guide: Top Brands, Reviews & Prices 11 Best Home Remedy For Ringworm (2023 Update) - Pubbelly Ringworm is not caused by a worm. Ringworm vs. Eczema: What Are the Differences? Shampoos can't replace the oral medicine, but you can use shampoo in addition to them. Topical over-the-counter antifungals can effectively treat ringworm in most cases. Onychomycosis is a common consideration in adolescents and adults with dystrophic toenails. Both of these can be purchased online. Miconazole Topical: MedlinePlus Drug Information CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. Use an anti-fungal cream (such as Lotrimin) 2 times per day. Keep your hands clean. Here are ways to keep things clean when you have a ringworm infection: National Health Service (U.K.): Ringworm and Other Fungal Infections Treatment., Summit Medical Group Foundation: Ringworm., Cleveland Clinic: How to Cure Ringworm., American Academy of Dermatology Association: "RINGWORM: 12 TIPS FOR GETTING THE BEST RESULTS FROM TREATMENT. ), Cleveland Clinic is a non-profit academic medical center. miconozole . Subjects applied one of the three options to areas affected with a fungal infection twice a day for four weeks. Lotrimin AF Ringworm Cream, Clotrimazole 1%, Clinically Proven Effective Antifungal Treatment of Most Ringworm. Natalie tried many acne products without success. Usecondoms or another form ofcontraception if youre on it. Sometimes, ringworm of the skin can be passed on to others. In addition to the common distal subungual form, which is characterized by thickened, brittle, discolored nails (Figure 5), onychomycosis may present with an uncommon proximal subungual form, which should raise suspicion of immunocompromise, and a white superficial form, which is more common in children than adults24 (Figure 6). Cathy Wong is a nutritionist and wellness expert. However, randomized clinical trials have confirmed that newer agents, such as terbinafine and fluconazole (Diflucan), have equal effectiveness and safety and shorter treatment courses1416 (Table 4).2,12,1720 Terbinafine may be superior to griseofulvin for Trichophyton species, whereas griseofulvin may be superior to terbinafine for the less common Microsporum species.21,22 Culture results are usually not available for two to six weeks, but 95% of tinea capitis cases in the United States are caused by Trichophyton, making terbinafine a reasonable first choice.23 However, kerion should be treated with griseofulvin unless Trichophyton has been documented as the pathogen.2,17 Failure to treat kerion promptly can lead to scarring and permanent hair loss.2, Microsize (Grifulvin V suspension): 20 to 25 mg per kg per day; single daily dose or two divided doses (maximum: 1 g per day), Ultramicrosize (Gris-Peg tablets): 10 to 15 mg per kg per day; single daily dose or two divided doses (maximum: 750 mg per day), Microsize: $44 ($165) for 300 mL of 125-mg-per-5-mL solution, Ultramicrosize: $263 ($430) for 60 250-mg tablets, No baseline testing in absence of liver disease, If required for longer than eight weeks, ALT, AST, bilirubin, and creatinine measurements and CBC every eight weeks2,17, Six to 12 weeks (continue for two weeks after symptoms and signs have resolved)2, 25 to 35 kg (55 lb to 78 lb): 187.5 mg once daily, CBC at six weeks for courses lasting longer than six weeks, Six weeks; longer for Microsporum infections, Assume Trichophyton unless culture reveals Microsporum, Daily dosing: 6 mg per kg per day for three to six weeks, Tablets: $100 for 30 150-mg tablets ($1,185 for 90 50-mg tablets), Suspension: $33 ($290) for 35 mL of 40-mg-per-mL suspension, Approved for children older than six months for other indications, Baseline ALT, AST, and creatinine measurement and CBC, Capsules: 5 mg per kg daily for four to six weeks, Solution: 3 mg per kg daily for four to six weeks, Pulse therapy with capsules: 5 mg per kg daily for one week each month for two to three months, Pulse therapy with oral solution: 3 mg per kg daily for one week each month for two to three months, Solution: NA ($265) for 150 mL of 10-mg-per-mL solution, Capsules: $102 ($590) for 30 100-mg capsules, Apply daily to affected nail and adjacent skin; remove with alcohol every seven days, 40 kg (89 lb) or more and adults: 250 mg daily, Approved for children older than four years for tinea capitis, ALT and AST measurement, CBC at six weeks, Six weeks for fingernails; 12 weeks for toenails, Approved for adults and children older than six months for other indications, Baseline ALT, AST, alkaline phosphatase, and creatinine measurements, CBC, 12 to 16 weeks for fingernails; 18 to 26 weeks for toenails. Ringworm in Babies: Treatment and Prevention - Healthline Ringworm (Tinea Corporis): Diagnosis, Treatment and Prevention Read our, Ringworm: Causes, Symptoms, and Treatment, Ringworm That Doesnt Respond to OTC Treatment. Terbinafine is used to treat infections caused by a fungus. Wash all items you take off before wearing them again. ", Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Smoking Pot Every Day Linked to Heart Risks, Artificial Sweetener Linked to Heart Risks, FDA Authorizes First At-Home Test for COVID and Flu, New Book: Take Control of Your Heart Disease Risk, MINOCA: The Heart Attack You Didnt See Coming, Health News and Information, Delivered to Your Inbox, Understanding Ringworm -- Diagnosis and Treatment, Minor Athlete Infections and Other Annoyances: How to Prevent and Treat Them. It works by killing the fungus or preventing its growth. Still, youd surely rather avoid the infection in the first place. Healthcare companies market. Treatment & Outcomes of Dermatophytes | Ringworm | Types of Diseases This will help prevent the infection from coming back. Wash your hands each time you touch your rash and before you touch anyone else. 2 Pack Lotrimin AF For Jock Itch Cream, Antifungal, 0.42 Oz Each. Get relief from the itching and redness irritation of ringworm with Lotrimin AF Ringworm Antifungal Cream. The sample is then applied to Sabouraud liquid medium or Dermatophyte test medium. Do not use combination products such as betamethasone/clotrimazole because they can aggravate fungal infections. Advertising on our site helps support our mission. CVS Health Antifungal Ringworm Cream - CVS Pharmacy If the ringworm has spread to a fingernail, you will need to take an antifungal medicine to get rid of the infection. To treat the itch, it often helps to apply a wet, cool washcloth to the area for 20 to 30 minutes. Contact your healthcare provider if your infection doesnt go away or gets worse. Conversely, if a nonfungal lesion is treated with an antifungal cream, the lesion will likely not improve or will worsen. Cleveland Clinic 1995-2023. For suspected onychomycosis, consider a periodic acidSchiff stain of nail clippings instead of KOH preparation. You wont get a prescription for this if you haveliver disease orlupus. Good news, says Dr. Vij: Its generally easy to treat.. This clinically proven ingredient relieves itchy, red skin as it treats the fungus that causes ringworm. The only way to cure ringworm is with antifungal medication. 2012;63(11):848-58. doi:10.1007/s00105-012-2379-y. To treat ringworm with apple cider vinegar, soak a cotton wool pad in the undiluted vinegar and wipe it on the affected area. The treatment you need forringworm depends on where the infection is on your body and how serious it is. Cathy Wong is a nutritionist and wellness expert. . The infection starts as a rash with tiny red pimples. Cosmetics (makeup or sunscreens) may be used on the treated skin areas no sooner than 20 minutes after this medicine is applied. No prescription is needed. Some of the most common types are: ( 3) Ringworm of the the skin on the body (tinea corporis) There also are natural treatments that have shown promise in treating certain types of ringworm. Creobic Scabies Treatment Cream Cure Skin Ringworm Parasites Itching This material may not otherwise be downloaded, copied, printed, stored, transmitted or reproduced in any medium, whether now known or later invented, except as authorized in writing by the AAFP. Cookies used to make website functionality more relevant to you. You, the reader, assume full responsibility for how you choose to use it. Can You Get Athletes Foot on Your Hands? RSV: What parents need to know and when to seek medical attention. Lesions may be single or multiple and the size generally ranges from 1 to 5 cm, but larger lesions and confluence of lesions can also occur. Its also available as a spray. Treatment length varies depending on the fungal infection. Some preliminary research has found that Melaleucaalternifolia,anessential oilknown as tea tree oil that'swidely used in aromatherapy,may help cure ringworm affecting the feet. (or prevent them from spreading from one part of your body to another): Cleveland Clinic is a non-profit academic medical center. Lotrimin cream, Cruex spray powder, Mycelex, Pedesil (, Desenex topical powder, Fungoid cream, Micatin cream, Lotrimin AF athlete's foot spray or powder, Lotrimin AF Jock Itch spray powder (. The first Choosing Wisely recommendation from the American Academy of Dermatology is, Don't prescribe oral antifungal therapy for suspected nail fungus without confirmation of fungal infection.27 Clinicians who want to confirm the diagnosis of tinea infections before prescribing therapy have several options: (1) send the skin scrapings in a test tube to an off-site laboratory; (2) if feasible, perform the KOH preparation during the patient visit; or (3) substitute a test that involves less physician time, such as a culture or, in the case of onychomycosis, a PAS stain of nail clippings. That depends on the body part that's affected, the severity of the infection, and the type of medication you're on, among other factors. Once treatment has started, the child may return to school, but for 14 days should not share combs, brushes, helmets, hats, or pillowcases, or participate in sports that involve head-to-head contact, such as wrestling.2,17 Household members should be clinically evaluated but not necessarily tested for tinea capitis.17 Many experts recommend treating all asymptomatic close contacts with a sporicidal shampoo, such as 2.5% selenium sulfide or 2% ketoconazole, for two to four weeks.2 If children do not improve, parents should be asked about adherence to the treatment regimen. Dogs can spread infection to you. What causes them, and what you can do about them. Often it's caught from puppies or kittens that have it. Treatment of interdigital tinea pedis with 25% and 50% tea tree oil solution: a randomized, placebo-controlled, blinded study. Australas J Dermatol. And you shouldnt drive or drink alcohol while youre taking it. Sometimes, however, a prescription medication may be necessary to clear up the infection. Here is some care advice that should help. Cream Combination Skin Anti-Aging Day Treatment, Cream Oily Skin Anti-Aging Contour Treatments, Nature's Cure Cream Unisex Acne . Micatin Athlete's Foot, Jock Itch, and Ringworm Antifungal . Dermatomycoses due to pets and farm animals : neglected infections? Use another clean towel to dry the other parts of your body. Ringworm is a fungus infection of the skin. A 2002 study publishedin the Australasian Journal of Dermatology compared solutions containing either 25% tea tree oil or 50% tea tree oil with a placebo (an inactive substance)to treat athlete's foot. Use these professionally produced online infographics, posters, and videos to help others find and prevent skin cancer. Centers for Disease Control and Prevention. Jock itch: To treat this type of ringworm, your dermatologist may recommend an antifungal cream, spray, or powder that you can buy without a prescription. Microsporum infections result from exposure to infected dogs or cats and may produce much more inflammation than Trichophyton infections.4, Tinea capitis must be treated with systemic antifungal agents because topical agents do not penetrate the hair shaft. It can also show up anywhere on the body. Tolnaftate cream can be used to treat ringworm and jock itch, and to treat or prevent athlete's foot. These include ringworm on the skin that doesn't go away after OTC medication, ringworm on the scalp (tinea capitas), or ringworm of the beard (tinea barbae). $14.04. Provides Effective Relief From Itching Download the drug facts (PDF) > Your healthcare provider may recommend an over-the-counter cream, such as clotrimazole, tolnaftate, or miconazole, to treat your baby's ringworm. Treat your itching, cracking, scaling, burning, redness, soreness, chafing and irritation by applying this globe miconazole 2% strength antifungal cream. University of Michigan. Learn more about tinea versicolor treatment here. yesterday. They work in most cases. Pictures and symptoms of the red, scaly rash. Centers for Disease Control and Prevention. It is not caused by a worm. Children with kerion have a high false-negative culture rate.10 A Wood lamp examination of scalp lesions is often not helpful because the most common cause, T. tonsurans, does not fluoresce. Data Sources: A PubMed search was completed using the MeSH heading Tinea[Majr] and including meta-analyses, guidelines, randomized controlled trials, and reviews. Ringworm Treatment - Ringworm Cream- Relieves Itching - Cream Antimicrobial and Antifungal- Fast Acting Tinea Itch Relief,20g. These products are often found in the foot care aisle and marketed for athletes foot. Search dates: October 16, 2013, through July 16, 2014. Beard: Ringworm in the beard area requires prescription antifungal medicine and a tailor-made treatment plan. Copyright 2014 by the American Academy of Family Physicians. What are the best over-the-counter medications for ringworm? Michigan Medicine. McGraw Hill Medical, New York, 2008: 1807-16. Examples include Grifulvin V or Gris-PEG (griseofulvin), Sporanox (itraconazole), terbinafine, and Diflucan (fluconazole). These creams will: Most often, an OTC treatment works well to clear up Worsening after empiric treatment with a topical steroid should raise the suspicion of a dermatophyte infection. Your dermatologist may need to remove unhealthy tissue to help the area heal. Skin scrapings and hair can be examined under the microscope immediately. Over-the-counter antifungals can kill the fungus and promote healing.. Medications that weaken your immune system and fungal infections. This medication is also used to treat a skin condition known as pityriasis (. Tinea is usually followed by a Latin term that designates the involved site, such as tinea corporis and tinea pedis (Table 1). More than half who used the 50% solution improved, while only 39% of the placebo group saw an improvement. Home remedies for ringworm: 11 natural treatments - Medical News Today Ringworm in babies: Pictures, treatment, and natural remedies To use it, soak a cotton ball in undiluted apple cider vinegar and. The CVS Health Antifungal Ringworm Cream helps by relieving the following symptoms related to ringworm: It is intended for use in adults and children age 2 and older. For more information, seeWebsite Privacy. Patients with chronic or recurrent tinea pedis may benefit from wide shoes, drying between the toes after bathing, and placing lamb's wool between the toes.5 Patients with tinea gladiatorum, a generalized form of tinea corporis seen in wrestlers, should be treated with topical therapy for 72 hours before return to wrestling.6, Several pitfalls of managing tinea infections are listed in Table 3.2,7,8, In the United States, tinea capitis most commonly affects children of African heritage between three and nine years of age.4 There are three types of tinea capitis: gray patch, black dot, and favus. However, there are things you can do to relieve symptoms until the medication starts to work. Fitzpatricks Dermatology in General Medicine (seventh edition). The active ingredient in this ringworm fungus treatment is clotrimazole, which relieves the discomfort of ringworm symptoms and is clinically proven to cure most ringworm. Tinea corporis (ringworm) typically presents as a red, annular, scaly, pruritic patch with central clearing and an active border (Figure 1). Tick bite within the last month and new onset of "ringworm", Rash gets bigger or spreads after 1 week on treatment. Ringworm is an itchy, contagious fungal infection that causes a ring-shaped pattern on your skin. Ringworm, also known as dermatophytosis, is a common fungal skin disorder which commonly spreads by direct skin-to-skin contact with an infected person or animal. Look for over-the-counter antifungal creams such as Tinactin (tolnaftate topical) or Lotramin (clotrimazole). Itraconazole. Lotrimin Ringworm Cream is an odorless, greaseless formula that's easy to apply topically to affected skin. Ringworm is a common fungal infection that can affect the skin, scalp, and nails. are famously lax about keeping their hands to themselves) and athletes who Ringworm: Symptoms, Causes, Treatments - WebMD 2. Ringworm - Seattle Children's Hospital If the ringworm is on your skin, an OTC antifungal cream, lotion, or powder may work. was $49.99 $49.99. Wear fresh clothes, especially undergarments, every day. Patient information: A handout on this topic is available at https://familydoctor.org/familydoctor/en/diseases-conditions/tinea-infections/treatment.html. Continue to treat the area for as long as directed, even if you think your ringworm is cured. Lotrimin AF Athlete's Foot Powder Spray, Miconazole Nitrate 2%, Clinically Proven Effective Antifungal Treatment of Most AF, Jock Itch and Ringworm, 4.6 Ounces (133 . 3. J Am Acad Dermatol. Policy. Washing your hands after treating ringworm helps stop the disease from spreading to other areas of your body. Put the cream or gel on the infected area once or twice a day for 1 to 2 weeks. Ringworm is not contagious after 2-3 days of treatment. Dermatophytes include three genera: Trichophyton, Microsporum, and Epidermophyton. Side effects usually are mild and dont last long. Diagnosis and Management of Tinea Infections | AAFP It comes as a cream, powder, tincture, or spray. Some tips for performing KOH preparations are available online (eTable A). These cookies may also be used for advertising purposes by these third parties. Dermatomycoses due to pets and farm animals : neglected infections? Sometimes a healthcare provider will prescribe prescription-strength ketoconazole shampoo to treat stubborn ringworm on the scalp. However, kerion should be treated with griseofulvin unless Trichophyton has been documented as the pathogen. Product details. All rights reserved. Side effects includenausea, vomiting, mild diarrhea,headache, andindigestion. If you're prescribed a prescription drug to treat ringworm of the scalp, your healthcare provider may suggest you also use an OTC shampoo that contains ketoconazole, such as Nizoral. CDC twenty four seven. In many cases, your doctor may recommend a drug you can buy over the counter (OTC) at your local drugstore. They might includenausea,diarrhea,indigestion, andrashes. The child with tinea capitis will generally have cervical and suboccipital lymphadenopathy, and the physician may need to broaden the differential diagnosis if lymphadenopathy is absent.7 However, lymphadenopathy can also occur in nonfungal scalp disease, and the absence of lymphadenopathy in an otherwise typical presentation should not delay aggressive treatment for tinea capitis.9. The match may leave a smoky deposit on the slide. Other studies show that it works against athlete's foot when applied as a cream. Apple cider vinegar has strong antifungal properties, so it may help treat ringworm when applied topically to the affected area. CVS Health Antifungal Ringworm Cream contains clotrimazole cream USP, 1%, and it is comparable to the active ingredient in Lotrimin AF. They help us to know which pages are the most and least popular and see how visitors move around the site. OTC Antifungal Creams: Uses, Brands, and Side Effects - GoodRx Ringworm that appears on the feet (tinea pedis, or athlete's foot) may need to be managed differently than ringworm that affects the scalp (tinea capitis), for example. Heat the slide with a match or alcohol lamp. The active ingredient in this ringworm fungus treatment is clotrimazole, which relieves the discomfort of ringworm symptoms and is clinically proven to cure most ringworm. Scalp ringworm is extremely contagious. 3+ day shipping. Put it on the rash and 1 inch (2.5 cm) beyond its borders. In addition, results from Gotucream are backed by a solid 30 day money back guarantee. Treatment for scalp ringworm may include: Antifungal medicine taken by mouth for 4 to 8 weeks. Follow these key tips to manage ringworm: Ringworm is highly contagious, therefore it is very important to do everything you can to prevent it from spreading to another person. Ringworm: 12 tips for getting the best results from treatment, Medications that weaken your immune system and fungal infections. Vaginal suppositories. KOH dissolves squamous cells but leaves the fungal elements intact. Wash towels before using them again. Fungal Skin Infections: Types, Treatment, and Prevention, Antifungal Cream: Types, Uses, and Side Effects, How to Treat Athletes Foot With Essential Oils. Even if your symptoms are gone soon after you start treatment, it's important to continue using medication for as long as your healthcare provider prescribes. This may make it less contagious. Many fungal infections get better within 7 days of treatment with terbinafine - nail infections can take 3 months or more. Lifestyle and home remedies. A Wood lamp examination may be helpful to distinguish tinea from erythrasma because the causative organism of erythrasma (Corynebacterium minutissimum) exhibits a coral red fluorescence. JAK inhibitors are helping patients with alopecia areata, eczema/atopic dermatitis, psoriasis, and vitiligo. You can expect permanent results in all but one area. Involvement of the plantar and lateral aspects of the foot with erythema and hyperkeratosis is referred to as the moccasin pattern of tinea pedis.4, Tinea corporis, tinea cruris, and tinea pedis can often be diagnosed based on appearance, but a KOH preparation or culture should be performed when the appearance is atypical.2, Tinea corporis, tinea cruris, and tinea pedis are generally responsive to topical creams such as terbinafine (Lamisil) and butenafine (Lotrimin Ultra), but oral antifungal agents may be indicated for extensive disease, failed topical treatment, immunocompromised patients, or severe moccasin-type tinea pedis. A 1999 study found that a gel containing ajoene helped treat tinea cruris (jock itch) and tinea corporis (ringworm on the skin). How Long Is Ringworm Contagious If Treated vs. Untreated? - Healthline Put it on the rash and 1 inch (2.5 cm) beyond its borders. In one survey, tinea was the skin condition most likely to be misdiagnosed by primary care physicians.1. Ringworm causes red, ring-shaped patches on the skin. Ringworm on the scalp needs to be treated with prescription antifungal medication. After 48 hours of treatment, ringworm usually is no longer easily spread. People use miconazole (Desenex, Micatin) to treat ringworm, jock itch, and athlete's foot. Continue treatment until gone. Her work is regularly featured in media such as First For Women, Woman's World, and Natural Health. OTC and prescription medications are tried-and-true ringworm treatment options. The diagnosis of onychomycosis should generally be confirmed with a test such as potassium hydroxide preparation, culture, or periodic acidSchiff stain before initiating treatment. The spores of T. tonsurans will be contained within the hair shaft, but for the less common Microsporum canis, the spores will coat the outside of the hair shaft. Its not for use in children, the elderly, or those with severeliver disease. 9.3. By clicking Accept All Cookies, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Some sources suggest treating ringworm with apple cider vinegar by rubbing some on the infected area and covering it with a bandage. 2002;43(3):175-8. Save with. This medicine comes in many different forms like creams, ointments, and pills. Ketoconazole (Topical Route) Proper Use - Mayo Clinic Dermatologists care for people of all ages. . Thankfully its not nearly as creepy (or as crawly) as it sounds. Schmitt Pediatric Guidelines LLC. . If it comes back, suspect the household puppy or kitten. How long is ringworm contagious? What to know - Medical News Today How to Identify and Treat Athletes Foot Bumps, Oxistat cream or lotion (oxiconazole nitrate), Ringworm: diagnosis, treatment, and outcome, Treatment of interdigital tinea pedis with 25% and 50% tea tree oil solution: a randomized, placebo-controlled, blinded study, Efficacy of ajoene in the treatment of tinea pedis: a double-blind and comparative study with terbinafine. The medications you can buy without a prescription to treat ringworm are called antifungals. Home Remedies for Ringworm: 9 Ways to Treat Symptoms - Healthline Terbinafine comes as a cream, gel or spray for treating athlete's foot, ringworm, jock itch and pityriasis versicolor. red splotches typically have a wavy border thats raised or scaly, Dr. Vij JOHN W. ELY, MD, MSPH, SANDRA ROSENFELD, MD, AND MARY SEABURY STONE, MD. Centers for Disease Control and Prevention. Topical therapy is usually ineffective except in the treatment of the white superficial form. Your dermatologist may prescribe the tablets, capsules, or liquid. Contains 1% Clotrimazole: This clinically proven ingredient relieves itchy, red skin as it treats the fungus that causes ringworm. Tinea capitis may progress to kerion, which is characterized by boggy tender plaques and pustules. Because the scrapings will easily blow off the slide, shield it from drafts or apply KOH preparation to the slide before transport. Free shipping for many products! Physicians should confirm suspected onychomycosis and tinea capitis with a potassium hydroxide preparation or culture. Popular choices include clotrimazole (Lotrimin) and tolnaftate topical (Tinactin). Ringworm is caused by one of three types of fungus, or dermatophyteTrichophyton, Microsporum, or Epidermophyton. To prevent the spread of scalp ringworm, never wear someone else's hat or cap.