Is Semetidine a P for 50 Inhibitor?

Long term use of semetidine is associated with a delayed emergence after thiopentil induction, the increased hypo tension after morphine and increased risk for iso florine induced nephr toxicity. E, prolonged sedation with diasapan. The nemonic i member for medical school is cage, c, g, e. And those are four drugs that inhibit the p for 50 system.