"Tachycardia, arrhythmias, chest pain, hypertension, dizziness, nausea, vomiting, and diarrhea can occur. Central nervous system effects include acute delirium and toxic psychosis. Overdose can also cause stroke (usually hemorrhagic), seizures, muscle rigidity, and hyperthermia (>40° C); all of these effects may precipitate rhabdomyolysis, which can lead to renal failure."

Source

Gerald F. O’Malley, DO, and Rika O’Malley , MD, Amphetamines (Methamphetamines), in Merck Manual Professional Version, last accessed August 31, 2021.