I am 20 years old boy .from last 8 months I am feeling physical symptoms like 1 a tight band wrapped around my head every time 2tightness and little pain in the neck 3 dry mouth 4 rigging ears 5upset stomach 6. Shivering, sweating and chills 7 red eyes, eye strain 8 a mild headache 9 dizziness , nausea 10 fear 11 tense muscles 12 sensation in the head feeling of running ants Sir what's the reason of my symptoms