what is a drug compatibility
Description of Drug Incompatibility. Drug Incompatibility: The quality of not being miscible with another given substance without a chemical change. One drug is not of suitable composition to be combined or mixed with another agent or substance.The incompatibility usually results in an undesirable reaction, including chemical alteration or destruction.escription of Drug Incompatibility. Drug Incompatibility: The quality of not being miscible with another given substance without a chemical change. One drug is not of suitable composition to be combined or mixed with another agent or substance.