You may have a bump under your chin due to swollen lymph nodes, which can develop due to viral and bacterial infections. In some cases, lumps can be cysts, tumors, or other medical issues. A lump ...
Hard lumps under the skin can form for many reasons, including epidermoid cysts, lipomas, dermatofibromas, ganglion cysts, keratoacanthomas, skin abscesses, swollen lymph nodes, and hernias. Many ...