Compare Cymbalta vs. Effexor

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Cymbalta (duloxetine)

Prescription only

Effexor (venlafaxine)

Prescription only
Improves mood and relieves certain types of pain.

Cymbalta (duloxetine) is good for treating depression, anxiety, and some forms of chronic pain, but it is more likely than other antidepressants to cause problems if you drink alcohol or have high blood pressure.

3.6/ 5 average rating with 496 reviewsforCymbalta
Improves mood and helps you relax.

Effexor (venlafaxine) is good for treating depression and anxiety, but it can cause more withdrawal symptoms if you stop suddenly compared to other antidepressants.

3.7/ 5 average rating with 577 reviewsforEffexor
Upsides
  • Cymbalta (duloxetine) may help relieve nerve pain from diabetes and other forms of chronic pain.
  • Cymbalta (duloxetine) has several uses, which may be good for people with multiple conditions.
  • Available as a generic, which is cheaper.
  • Effexor (venlafaxine) effectively treats depression, anxiety, and panic disorder.
  • Effexor (venlafaxine) causes more sleepiness than other antidepressants, so it's beneficial for people who have trouble sleeping.
  • Effexor (venlafaxine) might work when other antidepressants haven't worked since it affects two chemicals in the brain that impact your mood.
  • Effexor (venlafaxine) has several uses, which may be good for people with multiple conditions.
  • Effexor (venlafaxine) is available in generic, which is cheaper.
Downsides
  • Cymbalta (duloxetine) may not be a good option if you're a heavy drinker, or have liver or kidney problems.
  • Cymbalta (duloxetine) can increase high blood pressure.
  • Like most antidepressants, Cymbalta (duloxetine) can cause higher risk of suicidal thoughts and behavior for people aged 24 and younger.
  • Effexor (venlafaxine) can cause side effects such as decreased libido and increased blood pressure.
  • Like most antidepressants, it can cause a higher risk of suicidal thoughts and behavior for people aged 24 years or younger.
  • Compared to other antidepressants, it's more likely to cause unpleasant withdrawal symptoms if you suddenly stop taking it and can causes more sleepiness.
Used for
Dosage forms
  • Pill
  • Extended release
  • Pill
  • Extended release
Price
Want to save even more money?
Sign up now for a 30-day trial and save up to 95% at CVS, Kroger, Albertsons, and other pharmacies.
Reviews
496 reviews so far
58%
saidit'sworth it
49%
saiditworked well
24%
saidit'sa big hassle

Have you used Cymbalta (duloxetine)?

Leave a review
577 reviews so far
62%
saidit'sworth it
51%
saiditworked well
23%
saidit'sa big hassle

Have you used Effexor (venlafaxine)?

Leave a review
Side effects
12possible side effects
  • Nausea
    23%
  • Headache
    14%
  • Dry mouth
    13%
  • Drowsiness
    10%
  • Fatigue
    9%
  • Difficulty sleeping
    9%
  • Constipation
    9%
  • Dizziness
    9%
  • Diarrhea
    9%
  • Decreased appetite
    7%
  • Excessive sweating
    6%
  • Abdominal pain
    5%
See more detailed side effects
39possible side effects
  • Nausea
    37%
  • Headache
    25%
  • Drowsiness
    23%
  • Dry mouth
    22%
  • Dizziness
    19%
  • Difficulty sleeping
    18%
  • Constipation
    15%
  • Nervousness
    13%
  • Weakness
    12%
  • Sweating
    12%
  • Abnormal ejaculation/orgasm
    12%
  • Loss of appetite
    11%
  • Diarrhea
    8%
  • Infection
    6%
  • Vomiting
    6%
  • Anxiety
    6%
  • Blurred vision
    6%
  • Impotence
    6%
  • Indigestion
    5%
  • Tremor
    5%
  • Abnormal dreams
    4%
  • Chills
    3%
  • Rash
    3%
  • Gas
    3%
  • Stiff muscles
    3%
  • Prickling/burning sensation
    3%
  • Yawn
    3%
  • Increased urination
    3%
  • Chest pain
    2%
  • Trauma
    2%
  • Increased blood pressure
    2%
  • Increased heart rate
    2%
  • Decreased libido
    2%
  • Agitation
    2%
  • Confusion
    2%
  • Thinking abnormal
    2%
  • Changes in taste
    2%
  • Ringing in the ears
    2%
  • Dilation of pupils
    2%
See more detailed side effects
Risks and risk factors
  • Suicidal thoughts or behavior
    • Age 24 years or younger
  • Serotonin syndrome
    • Taking tricyclic antidepressants, lithium, tramadol, fentanyl, amphetamines, certain headache medications (triptans), St. John's Wort
  • Withdrawal
    • Stopping Cymbalta (duloxetine) abruptly
  • Increased bleeding
    • Taking other blood-thinning drugs (including aspirin, NSAIDs such as Advil, warfarin)
  • Changes in blood pressure and risk of falls
    • Elderly patients
    • History of gait disturbances
    • Taking more than 60 mg of Cymbalta (duloxetine) daily
    • Taking other medicines that lower blood pressure
    • History of high blood pressure
  • Bipolar disorder
    • History of bipolar disorder
    • At risk for bipolar disorder
See more detailed risks and warnings
  • Suicidal thoughts or behavior
    • Age 24 years or younger
  • Serotonin syndrome
    • Taking tricyclic antidepressants, lithium, tramadol, fentanyl, amphetamines, certain headache medications (triptans), St. John's Wort
  • Withdrawal
    • Stopping Effexor (venlafaxine) suddenly
  • Increased bleeding
    • Taking other blood-thinning drugs (including aspirin, NSAIDs such as Advil, warfarin)
  • Increased blood pressure
    • Bipolar disorder
      • History of bipolar disorder
      • At risk for bipolar disorder
    See more detailed risks and warnings