2023-04-21 21:30:00
Warm, humid weather is best for mold growth. Ringworm is a fungal infection that can grow in various areas of the body. Generally speaking, there are more folds, which will be humid and hot due to sweat retention, including jock itch and athlete’s foot; the picture shows the situation. (The picture is taken from photoAC)
Text / Luo Yang
“Doctor, after applying the ointment on my rash, not only did it not heal, but it got worse. Is it the wrong ointment?” After the doctor’s consultation and KOH microscopic examination (fungus examination), it was diagnosed as tinea corporis. The symptoms became more serious due to misuse of steroid ointment. After the doctor prescribed antifungal ointment, the lesion completely disappeared in about a week.
Warm, humid weather is best for mold growth. Ringworm is a fungal infection that can grow in various areas of the body. Generally speaking, there are more folds, which will be humid and hot due to sweat retention, including jock itch and athlete’s foot. Athlete’s foot is also known as “Hong Kong’s foot”. If the nail is infected, it is onychomycosis, also known as “onychomycosis”. Tinea corporis refers to other parts of the body, usually the underarms, the creases of the neck, or the creases of the chest, but may also appear on the arms or legs. Because of the “ringworm” in the name, many people often mistake immune diseases such as psoriasis or ichthyosis as fungal infections, but these two types of diseases have nothing to do with fungi.
▲Typical tinea corporis is a well-defined erythema with raised and desquamated edges. (Photo courtesy/Luo Yang)
Prescription antifungal ointment for tinea corporis
Tinea corporis is mostly a single erythema with clear boundaries and raised and desquamated edges, and patients often feel severe itching. If left untreated, it can lead to the spread of the mold and multiple patches of tinea corporis all over the body. Generally, tinea corporis has a good effect with topical antifungal drugs. However, for patients with chronic or immune diseases, there are often multiple lesions on the body, so the treatment time may be long, and even oral antifungal drugs are required. Do not use steroid ointment to reduce inflammation by yourself, as it will cause immunosuppression. At the beginning, rubbing will reduce the itching, but the more you rub, the larger the lesion will be. Therefore, neither steroid ointment nor broad-effect compound ointment is suitable for the treatment of tinea corporis . In addition, because fungal infection is easy to recur, when the doctor prescribes antifungal ointment, be sure to apply the medicine patiently, and don’t stop applying the medicine just because the itching of the lesion decreases, which may easily lead to incomplete treatment and recurrence. As for patients with onychomycosis, they should be actively treated to avoid infection to other parts of the body.
To prevent ringworm, keeping dry and changing clothes frequently is the most effective way. Avoid wearing tight airtight clothes, exercising a lot of sweat or after returning home from work, change clothes as soon as possible, and dry sweat thoroughly, which can effectively reduce infection Chance of mold.
(The author is a dermatologist at Cathay Hospital and Neihu Cathay Clinic)
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