From the Guidelines
Lamisil (terbinafine) is not the preferred treatment for ringworm (Tinea corporis) according to the most recent evidence. When considering treatment options for ringworm, it's essential to look at the most recent and highest quality studies. According to a study published in Pediatrics in 2017 1, oral agents such as itraconazole have proven efficacious in the treatment of most cases of T corporis, with a mycological cure rate of 87% when given for 15 days. In contrast, terbinafine appears superior for T tonsurans, but not necessarily for other types of ringworm. Some key points to consider when treating ringworm include:
- Avoiding skin-to-skin contact with people known to have lesions
- Not sharing towels and other fomites
- Limiting exposure to swimming pools that have recently been associated with known outbreaks
- Keeping the affected area clean and dry
- Washing clothes and bedding regularly to prevent spreading the infection. It's crucial to consult a healthcare provider to determine the best course of treatment for ringworm, as the most effective treatment may vary depending on the specific type of fungus causing the infection.
From the Research
Lamisil for Ringworm
- Lamisil, also known as terbinafine, is an antifungal medication used to treat various fungal infections, including ringworm 2, 3, 4.
- Terbinafine is FDA-approved to treat tinea capitis, a fungal infection of the scalp, and has a cure rate of 70-90% in patients treated topically or systemically 2, 3.
- The medication works by inhibiting squalene epoxidation during sterol synthesis in fungal membranes, resulting in a fungicidal action 3, 4.
- Studies have shown that terbinafine is effective against a broad range of dermatophytes and yeasts, with a low rate of relapse after cure 3, 4.
- The recommended treatment duration for ringworm with terbinafine varies from 4-12 weeks, depending on the severity and location of the infection 3, 4, 5, 6.
- Common side effects of terbinafine include gastrointestinal symptoms, allergy, and mild non-specific symptoms, but no significant hematological, hepatic, or renal effects have been observed 3, 4.
- In some cases, terbinafine may not be as effective as other antifungal medications, such as itraconazole, in treating certain types of ringworm 5.
- The choice of medication and treatment duration should be based on the individual patient's condition, medical history, and response to treatment 6.