Blue pill

Blue pill may refer to:

Drugs

 * Blue mass, sometimes referred to as blue pill, an obsolete mercury-based patent medicine from the 17th century
 * Sildenafil (Viagra), sometimes referred to as the "blue pill" or the "little blue pill", since 1998, a medicine used to treat erectile dysfunction
 * Slang for Percocet, more specifically counterfeit pills laced with fentanyl

Other uses

 * Blue Pill (software), a 2006 proof-of-concept virtual machine based rootkit
 * Blues Pills, a 2011 Swedish rock band
 * Blues Pills (album), 2014 debut album by Blues Pills
 * Blue Pills, a 2001 autobiographical comic book by Frederik Peeters
 * Red pill and blue pill, a plot device within the 1999 Matrix series in which the blue pill symbolizes the blissful ignorance of illusion