Hi i'm having pain in one of my nerve behind the left ear to neck few days bck, nerve is swellowen little bit also. pain in rhgt them swell please assist?

Scalp Pain: At your age, the most likely scenario is a "cold" or allergy, with swollen posterior cervical lymph nodes and muscle spasm affecting the neck muscles, impinging on the sensitive nerves. Much less likely are things like a cervical disk, temporal arteritis, or other head and neck maladies. If the pain doesn't subside in a few days ( try a decongestant and tylenol) , give your doctor a call.