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A member asked:
Small red line coming from a sore on left arm. is it time to worry?
A doctor has provided 1 answer
Perhaps: The red line is just inflammation/infection following the lymphatics. Lymphatics are channels carrying "foreign" material towards a lymph node, which is a sieve in the body. It filters out "foreign" material. So, this just means that your immune system is function. Worry only if you have a fever, chills, sweating, pain, marked tenderness or redness over the area.
Answered 8/10/2019
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