How long does it take for a human to recover from ringworm transmitted by cats?

Generally, after a human is infected with ringworm from a cat, mild cases can recover within 2–4 weeks with proper treatment, while more severe cases or those involving individuals with weakened immunity may require 1–2 months. If in doubt, it is advisable to seek medical consultation promptly. Detailed analysis is as follows:

If the infection area is small, with only localized redness and scaling, no obvious spreading, and antifungal creams (such as clotrimazole or terbinafine) are applied promptly along with good personal hygiene, recovery typically occurs within 2–4 weeks. These mild infections cause limited skin damage, and antifungal medications effectively suppress fungal growth. Combined with proper cleaning, healing is accelerated and usually leaves no noticeable marks.

If the infection is extensive, involving multiple skin lesions accompanied by intense itching and skin thickening, or if the individual has low immunity (e.g., children or elderly people), and treatment is delayed, the recovery period will be prolonged, possibly requiring 1–2 months. In more severe cases, the fungus has penetrated deeper into the skin layers, necessitating oral antifungal medication. Additionally, slower immune system repair leads to a longer treatment course, and in some instances, the condition may recur.

After being infected with ringworm from a cat, prompt use of medication is essential, and scratching should be avoided to prevent spreading. Hands should be thoroughly washed after contact with an infected cat, and regular treatment for the cat should be maintained. During recovery, keep the skin dry, wash clothing separately and disinfect them to prevent reinfection.