Significant - Monitor Closely
ephedrine + phenylephrine
ephedrine, phenylephrine. Either increases effects of the other by pharmacodynamic synergism. Significant interaction possible, monitor closely.
ephedrine + phenylephrine
ephedrine and phenylephrine both decrease sedation. Potential for interaction, monitor.
ephedrine + phenylephrine
ephedrine and phenylephrine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Potential for interaction, monitor.