Jock itch that repeatedly returns is often caused by persistent fungal infection, excessive sweating, tight clothing, moisture in the groin area, incomplete treatment, or continued use of steroid-containing creams. Fourderm cream contains a steroid along with antifungal ingredients, and while it may reduce redness and itching temporarily, repeated use can sometimes allow the fungal infection to come back more easily or spread deeper into the skin. Long-term relief usually depends on proper antifungal treatment and keeping the area dry. Doctors commonly use plain antifungal creams or oral antifungal medicines for resistant infections, but the exact medicine and dose depend on the severity, duration, skin involvement, diabetes status, and liver health. Wearing loose cotton underwear, drying the groin properly after bathing, changing sweaty clothes quickly, and avoiding sharing towels may help prevent recurrence. If the rash is spreading, becoming painful, producing pus, or not improving despite treatment, a skin examination may be needed to confirm the diagnosis and rule out resistant fungal infection.