My one wisdom tooth is bothering me, and my one lymph node is swollen when will the pain go away?

See dentist . Swollen lymph node is a sign of infection. Dental infection due to tooth abscess, gum abscess or combination of both. It is a treatable condition. See your dentist for evaluation, x-rays and treatment. Call your dentist today.
Wisdom tooth. There is no way to tell without a clinical examination and x-rays. There may be an infection around the tooth necessitating treatment or extraction. See your dentist or an oral surgeon.
Extract it. The pain well go away , if the tooth is taken out or the infection that is affecting your local lymph node gets treated with antibiotics.