recognizing symptoms of nerve agent posioning

The symptoms are divided into early, later, and danger. However, they may not appear in distinct phases because of the route of enter into the body.

EARLY SIGNS
1. running nose
2. an increase of saliva in the mouth
3. tightness of the chest
4. breathing difficulty
5. dimmed vision
6 pinpoint pupils

LATER SYMPYOMS
1. intense headache
2. drooling from the mouth
3. dizziness and muscular weakness
4. heavy sweating

DANGER SYMPTOMS
1. nausea and vomitting
2. involuntary urination and defecation
3. muscle spasms and jerking
4. breathing stoppage followed by coma.