Treatment varies by severity of presentation
Airway
Intubation is needed for altered mental status or seizures
Breathing
Supplemental O2
Ventilation
Circulation
IVF
Vasopressors for refractory hypotension (Norepi vs phenylephrine)
BB or CCB for tachycardia (Esmolol or Propranolol)
If Vtach, initiate code protocol
Benzodiazepines for agitation
Treat hypokalemia if K<3  and rhabdo (potassium depletion is due to intracellular shift rather than body depletion)
Antiemetics as needed
HD can be used in severe cases
Consult Poison Control
Intubation is needed for altered mental status or seizures
Supplemental O2
Ventilation
IVF
Vasopressors for refractory hypotension (Norepi vs phenylephrine)
BB or CCB for tachycardia (Esmolol or Propranolol)
If Vtach, initiate code protocol
Caffeine toxicity
Cocaine
Nicotine toxicity
Amphetamines
Clenbuterol toxicity
Synthetic cathinones 
Ipecac toxicity
Ketamine