Sharon Gaffka hit her head on a toilet and was found wedged behind a locked cubicle door after her drink was interfered with while out celebrating one of her friend s birthdays.
A report by the West Midlands Police and Crime Commissioner found that spiking cases have surged in recent months due to heightened awareness of the issue.
Rhiannon Smith, 19, says she drank three single vodka Red Bulls at Alpine Club Lodge in Ormskirk, Lancashire, on October 22 when her hearing suddenly became muffled and the room began spinning.