INCOMPATIBILITIES OF ACACIA HAVE BEEN REPORTED WITH A NUMBER OF SUBSTANCES INCLUDING ALCOHOL, AMINOPHENAZONE, APOMORPHINE, CRESOL, FERRIC SALTS, MORPHINE, PHENOL, PHYSOSTIGMINE, TANNINS, THYMOL, AND VANILLIN. ACACIA CONTAINS AN OXIDISING ENZYME THAT MAY AFFECT PREPARATIONS CONTAINING EASILY OXIDISED SUBSTANCES;