Ringworm is a type of fungal skin infection. When fungi infect the skin ... Sometimes, it causes a pus-filled, boggy mass known as a kerion. When the scalp is infected, it can cause swollen lymph ...

It's important to note that if you have swollen lymph nodes, it's unlikely you have Hodgkin lymphoma. A common cold, ear infection, tonsillitis, scalp infection, or mouth ulcers can all cause a ...