So if you have any such infection or even if it is something as simple as dandruff or poor oral hygiene or dental infection, then this needs to be checked.
Neck lymph
nodes can be the result of tonsillitis, pharyngitis (infection of upper throat), infection in mouth, caries in tooth, internal ear infection, outer ear infection, eczema, dermatitis, dandruff, breast cancer, fungal infection, other cancers like lymphoma etc.