2 doctors weighed in:

My 15 yo has bad acne on left forehead and both sides of his head for 6 mths. 2 mths ago, find a swollen lymph node (<1cm) on left back neck. Related?

2 doctors weighed in
Dr. Neigatha Graney
Pediatrics
1 doctor agrees

In brief: See Your Doctor

Acne causes inflammation/infection in the hair follicle units of the skin; reactive regional lymph nodes can occur. Your son's history of "bad acne" would support finding a prominent lymph node in this area however additional features are needed to confirm a benign nature eg.
consistency, mobility. See your doctor for definitive assessment & to evaluate adequacy of your son's present acne regimen

In brief: See Your Doctor

Acne causes inflammation/infection in the hair follicle units of the skin; reactive regional lymph nodes can occur. Your son's history of "bad acne" would support finding a prominent lymph node in this area however additional features are needed to confirm a benign nature eg.
consistency, mobility. See your doctor for definitive assessment & to evaluate adequacy of your son's present acne regimen
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