Similar effect to marijuana at low doses, but may be more intense and cause an acute Excited delirium
Typical onset of 10-30 min and taper over 1-2 hours
Tachycardia and hypertension common (distinguishing it from MJ use)
Adverse effects:;nausea, vomiting, diaphoresis, anxiety, paranoia, hallucinations, agitation, delirium
Use has been associated with AKI and acute cerebral ischemia.
Serious bleeding as some<unk>  contaminated with long acting vitamin K-dependent antagonists (brodifacoum)
Synthetic cannabinoids
Cocaine
Amphetamines
Benzodiazepines
Synthetic cathinones 
Ecstasy 
Ketamine
Toxic alcohols