Ok.. There are quite a few things this could be caused by and will start off with the simplest first and most frequent benign causes - usually, enlarged nodes from infection are tender when Palpated
Recent flu or virus
Ear infection
Throat infection
ANY kind of infection of the head including Teeth
Some viruses like HIV, CMV (Cytomegalovirus), Mononucleosis or EBV Ebstein-Barr are infamous for causing lymphadenopathy
It is important to know how long it has been there. If it's been there more than several months, it warrants further investigation, like a CBC - Complete Blood Count
Do you have other enlarged lymph nodes (Neck, clavicle, armpits or groin)
If it's been more than a few months or you have other nodes present, it is important to know if you have
Fevers
Unintentional weight loss
Chills
Night sweats
fatigue
If so, your doc will most likely want to biopsy the most easily accessible node for biopsy to rule out any malignancies - There are so many to list: But here are the most popular
LYMPHOMA: Hodgkins or Non Hodgkins, Burkitt's, Maltoma
METASTASIS - Cancerous cells spreading from another source
Multiple Myeloma
Always consult with your Physician. If they continue to stay enlarged and you don't feel well, BE PERSISTENT and get some answers from your Doctors .
something as simple as an infection and something as serious as cancer
An infection is the most common cause. It may also be cancer. It would be best to see a Doctor Who can identify the exact cause.
Chlamydia does not cause swollen glands.
The most common cause for a swollen lymph node in a child is an infection in the draining area. It need not necessarily be in the throat. Infection over the scalp can also cause this. However if it does not promptly respond to treatment other causes have to be considered.
If your dog has an ear infection it definitely could cause his eyes to be swollen. Infections can travel if not treated.
A cold sore itself can cause swollen lymph nodes.
it could be infected go see a dr
Tender and swollen spots on the head could be from scalp issues. If the hair follicles are irritated, this can also cause tender spots.
It could spread to other parts of body & cause death.
it is not proven to. but it possibly could if the skunk had a disease.
Yep
If your neck is swollen and under your ears are red and tender, you may have swollen glands. Swollen glands are a result of an enlargement of the lymph nodes.
it could be from a bee sting or a bug bite
The cause of swollen glands in the neck and under the arms might be due the affected lymphnodes. The swelling of the neck can also occur when there is overworking of thyroid galnd ending in goitre.