Just suddenly touched and a soy-sized protrusion will feel painful pressure on the right side compared to the left side a little swollen these two days have mouth ulcers want to ask what is going on to go to do a checkup (recently closed school)
Condition Analysis:
According to your description there should be two situations: one is the inflammatory reaction of the two-day mouth ulcer causing ordinary lymph node reflux in the neck; the other may be acute folliculitis of the neck, which is a soft tissue infection.These two conditions are not major problems, try to avoid local irritation on it, there is no need to over-check.
Condition Analysis:
If there is pain in the neck once you touch this, then generally this condition may be caused by swollen lymph nodes, because if there is a throat inflammation and other problems, then it is easy to cause swollen lymph nodes in this location or mouth ulcers are also possible, but often the lymph nodes in the lower jaw are swollen.
Condition Analysis:
From the picture, it looks like your location could belong to a lymph node or an inflammatory bump.Just apply some erythromycin ointment or tunicamycin ointment and massage it gently, or take oral cephalosporin or amoxicillin, and other anti-inflammatory drugs.