Brief Answer: could be trauma, salivary gland swelling,infection Detailed Answer: Hello There, Welcome to Healthcaremagic Forum, As you have mentioned you have developed a purplish bump beneath your tongue, this could be in response to any type of trauma by food products, cracked tooth, non cancerous growth can also been due to inflammed salivary gland which can be treated effectively by an Oral Surgeon. There are salivary gland ducts in the floor of the mouth which if gets traumatised or infected gets blocked leading to swelling, other than this it could be due vitamin B12 deficiency, smoking, low immunity, bacterial infections, viral infections, cold sores, canker sores, stress and hormonal changes. Therefore we have so many possibilities which can cause the lumps a direct examination by a qualified doctor is necessary to narrow down the possibilities. I would suggest you to consult to an Oral Surgeon and get the examination, evaluation done. I might be able to narrow down possibilities if you can upload good quality pictures of the affected lesion. You can use the site's uploader to post pictures. At home you can follow. - Take lukewarm saline and antiseptic mouthwash rinses. - Drink plenty of fluids which are rich in vitamin C like lemons, oranges. - Take multivitamin suplements. - Avoid smoking consumption of alcohol as this may worsen the condition. - Maintain a good oral hygiene. Hope you find this as informative and helpful. Wishing you a healthy recovery, Take care! Dr Ammara Qazi.

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