Methanol is highly toxic and readily absorbed from a routes of exposure. Symptoms include malaise, headache, dizziness, confusion, abdominal cramps with excruciating pain and tenderness, stupor, weakness, and acidosis. When methanol is swallowed, formaldehyde metabolically generated. This formaldehyde is more toxic than the methanol itself. Blindness and death may occur following ingestion.
When using any product which contains methanol, be certain to wear gloves. Provide adequate ventilation, making sure that vapors are blowing away from you. To dispose of products that contain methanol, save for a household hazardous waste collection rather than flushing them down the drain or throwing them in the trash.