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Interaction Check

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Selected Drugs Clear All

  • remove Effexor XR
    venlafaxine
  • remove levonorgestrel/ ethinyl estradiol
    generic
  • remove nitroglycerin
    generic
  • remove triazolam
    generic

multicheck MultiCheck Results - 3 Interactions

Smiley face Smiley face

Monitor/Modify Tx

Smiley face Smiley face Effexor XR (venlafaxine) + levonorgestrel/ethinyl estradiol (generic)

Monitor/Modify Tx


venlafaxine + ethinyl estradiol (contraceptive)

monitor BP: combo may incr. risk of HTN (additive effects)

Smiley face Smiley face Effexor XR (venlafaxine) + triazolam (generic)

Monitor/Modify Tx


venlafaxine + triazolam

monitor respiratory rate: combo may incr. risk of CNS and respiratory depression, psychomotor impairment (additive effects)

Smiley face Smiley face levonorgestrel/ethinyl estradiol (generic) + triazolam (generic)

Monitor/Modify Tx


ethinyl estradiol (contraceptive) + triazolam

monitor respiratory rate; consider decr. triazolam dose: combo may incr. triazolam levels, risk of CNS and respiratory depression, psychomotor impairment, other adverse effects (hepatic metabolism inhibited)

Additional Considerations

Smiley face Smiley face nitroglycerin

if SL nitroglycerin tab use, caution advised with anticholinergic drugs, tricyclic antidepressants, other drugs that may cause xerostomia; combo may delay vasodilator onset, decr. nitroglycerin peak levels, efficacy; absorption decreased, xerostomia may alter dissolution of SL tab

Smiley face Smiley face venlafaxine in Effexor XR

add MAO inhibitor to Interaction Check if recent (14 days) use

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