- A few symptoms of this well-known substance are collected in Allen's works.
- Among them, pain in loins and paraplegiaParalysis of the lower half of the bodyParalysis that affects all or part of the trunk, legs, and pelvic organs, usually due to spinal cord injury. are very noticeable.
- Emaciation.
- Extreme weakness, can scarcely walk.
- Vomiting of black-green fluid.
- Feces look like coffee-grounds.
- Pain in umbilical region with great thirst