I worked in an alcoholic treatment home in the 1960's . This was before "alcoholism "was officially classified as a disease. Formaldehyde was given as a medicine. It was prescribed : formaldehyde 2 oz. po prn. I was poured into a enamel medicine cup. Using the regular medicine cups , such as plastic , would cause the receptacle to just crush or lose its consistency. Do you have any information for formaldehyde being used as a medicine?