Anxiety

for so long I thought something was wrong with me I have delibating thoughts of fear everyday as if I will die or something wrong will happen to me anxiety is using my biggest fears against me I'm in an constant stare of fear as if something is wrong I have the most dark thoughts that sometimes I'm scared of even going out on bed the whole day and eat I'm so scared if I would wake up something will happen to me ,I have this thoughts of dying or something happening to my family. ,even without panic attacks I still have this lingering thoughts ,anxiety consumed my life ,

Anyone dealing with this please give me techniques on how can I overcome such scary anxious thoughts, nobody in my family gets what I go through