phentolamine inj brand names and other generic formulations include:
Regitine Inj
diphenhydramine-phenylephrine oral brand names and other generic formulations include:
Ala-Hist LQ Oral, Aldex-CT Oral, Allergy And Sinus Relief Oral, Allergy-D Oral, Benadryl-D Allergy-Sinus Oral, Child Allergy & Sinus D Oral, Child Delsym Nighttime Cough-Cold Oral, Children's Delsym Cough-Cold Nighttime Oral, Child's Benadryl-D Allergy-Sinus Oral, Childs Triacting Cold & Cough Oral, Complete Allergy & Sinus-D Oral, Delsym Night Time Cough & Cold Oral, DHM-PE Oral, Nighttime Cough-Cold Oral, Pediacare Allergy & Cold Oral, Phenyleph/diphenhyd-phenyleph Oral, Sudafed PE Day & Night Oral, Triaminic Cold & Cough Night Time (PE) Oral, Wal-Dryl-D Allergy & Sinus Oral, Zoden PD Oral
phentolamine inj and diphenhydramine-phenylephrine oral
phentolamine inj , diphenhydramine-phenylephrine oral . Either decreases the effects of the other by Mechanism: opposing drug effects.
phentolamine inj and diphenhydramine-phenylephrine oral
phentolamine inj , diphenhydramine-phenylephrine oral . 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