Promethazine, The risk or severity of QTc prolongation can be increased when Salbutamol is combined with Promethazine. Propafenone, The therapeutic efficacy
promethazine. buprenorphine and promethazine both decrease QTc interval. Avoid or Use Alternate Drug. propafenone.
Promethazine. Quinine. Quetiapine (Seroquel). Risperidone (Risperdal). Ritonavir If there is a 50 ms increase in QTc OR the QTc 500 ms, o REDUCE
buprenorphine, long-acting injection and promethazine both decrease QTc interval. For motion sickness, the first dose of promethazine should be used 30 to 60
promethazine and foscarnet both increase QTc interval. Modify Therapy/Monitor Closely. gabapentin. gabapentin, promethazine. Either increases effects of the
Antihistamine: Terfenadine, Astemizole, Diphenhydramine, Promethazine, Amatadine, Hydroxyzine In patients with a prolonged QTc or QTc that falls at the
by B Gray 2024 Cited by 10(6) promethazine and trimipramine both increase QTc interval. Page 58. Pharmacodynamic synergy. (7) promethazine and fluoxetine both increase QTc interval.
promethazine. sertraline and promethazine both decrease QTc interval. Use Caution/Monitor. propranolol.
The aim of this study was to assess the effect of promethazine on the parameters of ventricular repolarisation: QTc interval and transmural dispersion of
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