Tinnitus
Tinnitus is early sign - providers used to dose ASA to onset of tinnitus.
Hearing loss
Dizziness
Nausea and vomiting
Common with acute<unk> 
Tinnitus is early sign - providers used to dose ASA to onset of tinnitus.
Common with acute<unk> 
Tachypnea
Hyperpyrexia
Diaphoresis
Ataxia
Anxiety
Altered mental status
Seizure
Coma
Cerebral edema
Acute lung injury
Nausea and vomiting
Acute renal failure
Cardiac arrhythmias
Shock
Usually neurologic abnormalities, especially in elderly
Agitation
Paranoia
Memory deficits
Confusion
Stupor
Hyperventilation
Tremor
Papilledema
Higher morbidity (pulmonary edema, seizures, renal failure) and mortality rate compared with acute<unk> 
Agitation
Paranoia
Memory deficits
Confusion
Stupor
Salicylate toxicity
Lactic acidosis
Chlorate toxicity
Sepsis, shock, liver disease, CO, CN, metformin, methemoglobin
Organophosphate toxicity
Short bowel syndrome
Thallium toxicity
Propylene glycol infusions for lorazepam and phenobarbital