[Simple-blind clinical study with sublingual lorazepam vs. injectable diazepam as premedication in colonoscopies].

Those patients premedicated at least 90 minutes before coloscopy, with sublingual lorazepam, showed improved sedative effect, better tolerance and collaboration? Less discomfort and pain when air was, as usually insuflated, as compared with patients receiving intramuscular diazepam. Doctor's opinion coincided with the before mentioned preference for sublingual lorazepam prescribed at least 90 minutes before the endoscopic procedure. No adverse side effects were pointed out.