APD may refer to:
== Medicine == Acid peptic diseases Afferent pupillary defect Antimicrobial Peptide Database Antipsychotic drug Antisocial personality disorder Auditory processing disorder Autoimmune progesterone dermatitis Automated peritoneal dialysis Avoidant personality disorder Pamidronic acid
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).