Inhaling the fumes of coal tar - a bi-product of coal has to be my nomination for the remedy most likely to do harm. Can you imagine getting kids to inhale such an unpleasant pollutant? Very relieved it is no longer sold. (Yes I know it was also used in skin preparations.... but breathing it IN?! Amazing what people were allowed to flog as medicines in the past. )
I think i had whooping cough a couple of years ago. Picked up a persistent cough in Australia, passed it to my son who had terrible whooping cough while I came home and coughed for weeks.
Shingles and pneumococcal vaccines side effects




