This is metabolic acidosis with a HIGH anion gap, this scenario involves the "M" (methanol aka formic acid) in the mnemonic "Mudpiles"
Classic scenario for methanol (as per B&B) is suspected ingestion, suicide, alcoholic.....symptoms include confusion, VISUAL symptoms, HIGH AG metabolic acidosis
Treatment: Inhibit alcohol dehydrogenase or Ethanol
This pretty much answers 3-4 of the mnemonic for tuberous sclerosis: "HAMARTOMASS"
H-amartomas in CNS and skin/
A-sh leaf spots (hypopigmented macule) /
M-mental retardation /
S-hagreen patches /