A placebo is a substance or treatment without intrinsic therapeutic value but administered as if it were a therapy, whether in medical treatment or in clinical trials.
Placebo may also refer to: Placebo (band), an English alternative rock band Placebo (Placebo album), the band's 1996 debut album Placebo, a Belgian jazz band fronted by Marc Moulin Placebo, the band's 1974 self-titled album Placebo (ASP album), a 2022 album by ASP
See also Placebo effect (disambiguation) Nocebo, a harmless substance that creates negative psychologically induced response in a patient