Serotonin syndrome
- breakdown due to excess serotonin in system
Characterized by:
Agitation or restlessness
Confusion
Rapid heart rate and high blood pressure
Dilated pupils
Loss of muscle coordination or twitching muscles
Muscle rigidity
Heavy sweating
Diarrhea
Headache
Shivering
Goose bumps
This is partially driven by excesses in brain but also in the intestines where seretonin is also produced
https://www.mayoclinic.org/diseases-conditions/serotonin-syndrome/symptoms-causes/syc-20354758