Ringworm transmitted from cats to humans, how to treat it? - briefly
Ringworm (tinea) can be transmitted from cats to humans through direct contact or by touching contaminated surfaces. Treatment typically involves topical antifungal creams and, in some cases, oral medication.
Ringworm transmitted from cats to humans, how to treat it? - in detail
Ringworm, also known as tinea corporis, is a highly contagious fungal infection that can be transmitted from cats to humans. This zoonotic disease is caused by dermatophytes, a group of fungi that thrive in warm, moist environments and feed on keratin, a protein found in skin, hair, and nails. Cats are common carriers of these fungi, often exhibiting no symptoms while serving as reservoirs for the infection. Humans can contract ringworm through direct contact with an infected cat or by touching contaminated surfaces where the fungus resides.
Symptoms in humans typically appear within 4 to 10 days after exposure and include a red, scaly rash that may be itchy. The characteristic feature of this infection is the development of circular lesions with raised borders and clear centers, resembling a ring or a worm-like appearance, hence the name "ringworm." These lesions can appear on any part of the body but are most commonly found on the arms, legs, and trunk.
Treating ringworm transmitted from cats to humans involves several steps aimed at eradicating the fungal infection and preventing its spread. The first line of treatment usually consists of topical antifungal creams or ointments such as terbinafine (Lamisil), clotrimazole (Lotrimin), or miconazole (Micatin). These medications are applied directly to the affected area, typically once or twice a day for several weeks. It is crucial to complete the entire course of treatment even if symptoms subside early, as premature cessation can lead to recurrence.
In cases where the infection is severe, widespread, or does not respond to topical treatments, oral antifungal medications may be prescribed. Terbinafine and itraconazole are common choices for systemic treatment, requiring consistent adherence to the dosage regimen. These medications work by inhibiting the growth of the fungus and should be taken until the infection has fully resolved, usually after 4 to 6 weeks.
In addition to medical treatments, several preventive measures can help contain the spread of ringworm within a household. Regularly washing hands with soap and water is essential, especially after handling pets or touching potentially contaminated surfaces. Clothing, bedding, and towels used by infected individuals should be washed separately in hot water (at least 60°C) to kill any lingering fungal spores. It is also advisable to avoid sharing personal items like combs, brushes, and clothing with others to minimize the risk of transmission.
For cat owners, it is crucial to ensure that their pets receive appropriate treatment to prevent recurrent infections in humans. Veterinarians can prescribe topical antifungal treatments such as lime sulfur dips or oral medications like terbinafine or itraconazole for cats. Thoroughly cleaning the home environment, including floors, furniture, and cat toys, is necessary to eliminate fungal spores. Vacuuming carpets and upholstered surfaces can also help reduce the risk of reinfection.
In summary, ringworm transmitted from cats to humans requires prompt treatment with antifungal medications and diligent hygiene practices to prevent further spread. By following these guidelines, individuals can effectively manage the infection and protect themselves and others from recurrent episodes.