Doctor insights on:
Can A Bug Bite Cause Swollen Lymph Nodes
Monitoring Centers: Lymphatic system absorbs/carries things too big to go into the arteries/veins like bacteria eaten by white cells and digested food. Lymph nodes "taste" the lymph for anything bad like bacteria/viruses/cancers, etc. When it detects a problem, it alerts the immune system and your body reacts. They enlarge in response to the inflammation they create when they react. They shrink when all is well. ...Read more
Yes: There are thousands of lymph node located around the body that help screen out germs in the body serum before it returns to the circulation. There are many in the neck, head & behind the ear. At rest these are often 1/4 inch in diameter and may grow to marble sized when reacting to a stimulus. Bug bites, or viral infections can increase their size.They should shrink down to nl size over a few wks. ...Read more
Usually inflammation: Swollen lymph nodes in the neck are the sign of some form of pathology. Nodes don't enlarge spontaneously. When there is a malignancy of the oral cavity that spreads to lymph nodes they enlarge, become matted, and for the most part fix to jugular vein. Painful nodes are the sign of inflammation such as oral cavity or pharynx unassociated with tumor. Antibiotics may be necessary for control. ...Read more
Monitoring Centers: The lymphatic system absorbs and carries things too big to go into the arteries and veins like bacteria eaten by white cells and digested food. The lymph nodes "taste" the lymph to see if anything bad is there like bacteria, viruses, cancers, etc. When it detects a problem, it alerts the immune system and your body reacts. They enlarge in response to the inflammation they create when they react. ...Read more
No: Swollen lymph nodes result from an infection. Canker sores are not due to infection. However, ulcers that look like canker sores may be due to a viral infection. Canker sores heal spontaneously in 7-10 days. If you have any sore that does not heal in 7-10 days, you need to have it examined. See your dentist. ...Read more
Yes, but: Swollen lymph nodes can occur with teething, but it is not the most common symptom during teething. The swollen nodes might mean your child is coming down with some other type of infection. Monitor your child's temperature closely and encourage fluids. ...Read moreSee 2 more doctor answers
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