RT Journal Article SR Electronic T1 Drug interactions JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 89 OP 91 DO 10.1136/dtb.5.23.89 VO 5 IS 23 YR 1967 UL http://dtb.bmj.com/content/5/23/89.abstract AB In the last five years there has been increasing awareness of the importance of interactions between drugs in everyday medicine.1 Before that the only interactions commonly considered were those that held some promise of benefiting the patient, such as the use of combinations of drugs that have useful synergic actions, or the use of antidotes for poisoning.