Reason for giving medication together
1.)They reduce development of drug resistance since a pathogen or tumor is less likely to have resistance to multiple drugs simultaneously
2.) It has a lower treatment failure rate
Dangerous drug interactions include;
1.)Statins (3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors) are widely prescribed, and widely recognized to carry a high risk for drug/drug interactions
2.)Coadministration of clarithromycin with vasodilating calcium-channel blockers, such as amlodipine and felodipine, can cause hypotension and acute renal failure.