Acitretin Meaning of acitretin: Is a substance that is used in the prevention of cancer and in the treatment of psoriasis . It belongs to the family of drugs called retinoids. Also See: Analgesic Ameluz Ammonium tetrathiomolybdate Avoidance ADI-PEG 20 Anti-CD22 immunotoxin CAT-8015 Androblastoma Angiography AZD0530 AG3340 ALSO SEE: Basal Body Temperature