The campaigner joins her daughter Pam, founder of the CITA charity helping people to withdraw from prescribed-drug dependence.
“Both have done so much excellent, vital and much needed work for prescribed drug dependent patients; not only in this country but worldwide via CITA,” said Barry Haslam of Tranx. “Hilda will be sadly missed but remembered with great affection. I will miss her kindness and her sincerity. She was a true warrior for the cause and will be irreplaceable.”