<s>[INST] a friend has neck pain, base of neck ,saw her yesterday  this morning woke up fine sudden onset or severe pain at base of neck and head feels heavy.   could it be something that is contagious.  she said her pain was severe the first few days but is easeing.  should I be concerned [/INST] Hi,From history it seems that she might be having stiff neck giving this problem.This is not contagious so nothing to worry.Apply some analgesic, muscle relaxant cream locally.Ok and take care. </s>