Question

what happens if denatured spirit is consumed write it's causes

Answer 1

Denatured alcohol, also called methylated spirits or denatured rectified spirit, is ethanol that has additives to make it poisonous, bad tasting, foul smelling or nauseating, to discourage recreational consumption. In some cases it is also dyed. ... Denaturing alcohol does not chemically alter the ethanol molecule.

Answer 2

It is a common question, what is denatured alcohol? Denatured Alcohol is ethanol (ethyl alcohol) that has been made unfit for human consumption by the addition of another chemical to it. The property of alcohol that makes it drinkable is removed, this is what denaturing refers to, not the chemical alteration of the alcohol or decomposing it.