
terazosin oral brand names and other generic formulations include:
phenylephrine rect brand names and other generic formulations include:
Major-prep Hemorrhoidal (phenylephrine-hard Fat) Rect, Rectasol Rect
terazosin oral and phenylephrine rect
terazosin oral , phenylephrine rect . Either decreases the effects of the other by Mechanism: opposing drug effects.
terazosin oral and phenylephrine rect
terazosin oral , phenylephrine rect . Either decreases effects of the other by Mechanism: pharmacodynamic antagonism.
Check for more interactions with the Drug Interaction Checker
Drug Interaction Categories
Contraindicated
Never use this combination of drugs because of high risk for dangerous interaction
Serious
Potential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed
Significant
Potential for significant interaction (monitoring by your doctor is likely required)
Minor
Interaction is unlikely, minor, or nonsignificant