Strychnine is a bitter and highly poisonous compound obtained from nux vomica and related plants.
Symptoms:
Agitation
Apprehension or fear
Ability to be easily startled
Restlessness
Painful muscle spasms possibly leading to fever and to kidney and liver injury
Uncontrollable arching of the neck and back
Rigid arms and legs
Jaw tightness
Muscle pain and soreness
Difficulty breathing
Dark urineInitial consciousness and awareness of symptoms