6How to Diagnose Ringworm in Your Armpit
If an itchy, discolored or red, and round rash develops in the armpit, it may be a clear sign of ringworm. To get an accurate diagnosis, you need to visit a doctor. During the appointment, they will conduct a physical exam, ask some questions to learn about your medical history, and take a skin sample to identify the presence of the fungus that triggers the infection. Because the symptoms of ringworm are very similar to those of many other skin conditions, it is not easy to diagnose it. [6]












