Self-abuse
Self-abuse may refer to:

Self-harm, the intentional, direct injuring of ones own body without suicidal intentions
Self-destructive behaviour, patterns of behaviour to inflict metaphorical or literal harm on oneself
Self-inflicted wound, harming oneself without psychological problems to take advantage of being injured

See also
Algolagnia, deriving sexual pleasure and stimulation from physical pain
Abuse § Self-abuse
Violence § Self-directed violence