Central nervous system (CNS) Main symptoms include agitation, confusion, delirium, hallucinations, dizziness, dyskinesia, hyperactivity, muscle fasciculation and rigidity, rigors
[inchem.org]
[…] labs Does not show up on urine toxicology screens Mephedrone May be contained in “bath salts” Diagnosis CNS: Agitation Delirium Hyperactivity Tremors Dizziness Mydriasis Headache
[emergency.unboundmedicine.com]
Overdose can also cause stroke (usually hemorrhagic), seizures, muscle rigidity, and hyperthermia ( > 40 ° C); all of these effects may precipitate rhabdomyolysis, which can
[merckmanuals.com]