Drug General Information (ID: DDIZY9MFWG)
  Drug Name Duloxetine Drug Info Oxymetazoline (nasal) Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Antidepressants Decongestants
  Structure

 Mechanism of Duloxetine-Oxymetazoline (nasal) Interaction (Severity Level: Moderate)
     Additive hypertensive effects Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Duloxetine Oxymetazoline (nasal)
      Mechanism 1 Hypertensive effects Hypertensive effects
      Key Mechanism Factor 1
Factor Name Hypertensive effects
Factor Description Hypertension is defined as a blood pressure reading above a prescribed limit (130/90 mmHg). Most people with hypertension have no signs or symptoms; others may experience: severe headache, shortness of breath, nosebleeds, severe anxiety, and feeling a tingling sensation in the neck or head.
      Mechanism Description
  • Additive hypertensive effects by the combination of Duloxetine and Oxymetazoline (nasal) 
     Increased risk of rapid heart rate Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Duloxetine Oxymetazoline (nasal)
      Mechanism 2 Increased heart rate Increased heart rate
      Key Mechanism Factor 2
Factor Name Tachycardia
Factor Description A faster-than-normal heart rate, but the heart is beating normally. Tachycardia may not cause any symptoms or complications, but if left untreated, some forms of tachycardia can lead to serious health problems, including heart failure, stroke, or sudden cardiac death.
      Mechanism Description
  • Increased risk of rapid heart rate by the combination of Duloxetine and Oxymetazoline (nasal) 

Recommended Action
      Management Caution is advised if SNRIs are used with other drugs that can increase blood pressure and/or heart rate. Blood pressure and pulse should be measured prior to initiating SNRI therapy and monitored at regular intervals thereafter. Dose reduction or discontinuation of the SNRI should be considered in patients who experience a sustained increase in blood pressure or pulse rate.

References
1 Product Information. Cymbalta (duloxetine). Lilly, Eli and Company, Indianapolis, IN.
2 Product Information. Fetzima (levomilnacipran). Forest Pharmaceuticals, St. Louis, MO.
3 Product Information. Nucynta (tapentadol). PriCara Pharmaceuticals, Raritan, NJ.