<unk>  ( ) is the giving and receiving of pleasure from acts involving the receipt or infliction of pain or humiliation. Practitioners of<unk>  may seek sexual pleasure from their acts. While the terms sadist and masochist refer respectively to one who enjoys giving and receiving pain, some practitioners of<unk>  may switch between activity and passivity. The abbreviation S&M is commonly used for<unk>  (or Sadism & Masochism), although the initialisms S-M, SM, or S/M are also used, particularly by practitioners.<unk>  is not considered a clinical paraphilia unless such practices lead to clinically significant distress or impairment for a diagnosis. Similarly, sexual sadism within the context of mutual consent, generally known under the heading BDSM, is distinguished from non-consensual acts of sexual violence or aggression.
Sadomasochism
Transvestic fetishism
Voyeurism
Autovampirism
Sexual fetishism
Metopism
Sexual masochism disorder
Sanatorium