that last several weeks should not be ignored, especially if they are getting worse.
When to Seek Urgent Help
Get urgent medical help if a neck lump appears with difficulty breathing, severe trouble swallowing, rapidly increasing swelling, severe pain, or signs of a serious infection.
NHS Inform advises urgent help for swollen glands if someone is finding it very difficult to swallow or has difficulty breathing.
What a Doctor May Do
A doctor may ask when the lump appeared, whether it is painful, whether it has changed size, and whether