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A 27-year-old female asked:

Can pet allergies cause mildly swollen submandibular lymph nodes? they are very soft and movable.

2 doctor answers3 doctors weighed in
Dr. Nayla Mumneh
Allergy and Immunology 30 years experience
Stuffy nose?: Lymph nodes in the anterior neck drain from the mouth and throat, any inflammation or infection there makes them react and swell. If you have ongoing inflammation in your nasal passages, it may happen.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Michael Miller
Wound care 37 years experience
Monitoring Centers: Lymphatic system absorbs/carries things too big to go into the arteries/veins like bacteria eaten by white cells/digested food. Lymph nodes "taste" the lymph everywhere for bad stuff 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.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Oct 4, 2016
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