Compare Paxil vs. Pristiq

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

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Paxil (paroxetine)

Prescription only

Pristiq (desvenlafaxine)

Prescription only
Improves mood and anxiety.

Paxil (paroxetine) is effective for treating depression and anxiety, but causes more unwanted side-effects than other medicines that work like it.

3.4/ 5 average rating with 694 reviewsforPaxil
Improves mood.

Pristiq (desvenlafaxine) is an effective medicine for treating depression, but it is more expensive than many other medicines that work just like it.

3.5/ 5 average rating with 196 reviewsforPristiq
Upsides
  • Available in a cheaper, generic form.
  • Is convenient and can take once a day.
  • You only need to take Pristiq (desvenlafaxine) once a day.
  • May be taken with or without food.
  • Less sedating than other anti-depressants.
Downsides
  • More likely to decrease your sexual appetite and delay or prevent ejaculation than other antidepressants.
  • Like most antidepressants, Paxil (paroxetine) has a high risk of suicidal thoughts and behavior when used in children and adolescents.
  • May not be appropriate for you if you are elderly or suffer from dementia.
  • Like most anti-depressants, full effect on mood takes up to 12 weeks.
  • Can increase the risk of suicidal thoughts and/or behavior in yound adults 24 years and younger.
  • Can affect your sex drive and ability to get an erection.
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Used for
Dosage forms
  • Pill
  • Extended release pill
  • Liquid
  • Extended-release pill
Price
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Reviews
694 reviews so far
52%
saidit'sworth it
39%
saiditworked well
24%
saidit'sa big hassle

Have you used Paxil (paroxetine)?

Leave a review
196 reviews so far
53%
saidit'sworth it
49%
saiditworked well
23%
saidit'sa big hassle

Have you used Pristiq (desvenlafaxine)?

Leave a review
Side effects
29possible side effects
  • Abnormal ejaculation
    28%
  • Nausea
    25%
  • Weakness
    22%
  • Drowsiness
    22%
  • Difficulty sleeping
    21%
  • Decreased sexual appetite
    12%
  • Dizziness
    11%
  • Sweating
    9%
  • Dry mouth
    9%
  • Diarrhea
    9%
  • Tremor
    9%
  • Female genital disorder
    9%
  • Decreased appetite
    8%
  • Nervousness
    8%
  • Constipation
    5%
  • Anxiety
    5%
  • Yawning
    5%
  • Painful period
    5%
  • Impotence
    5%
  • Indigestion
    4%
  • Gas
    4%
  • Muscle pain
    4%
  • Impaired concentration
    4%
  • Throat inflammation
    4%
  • Abnormal vision
    4%
  • Trauma
    3%
  • Agitation
    3%
  • Vomiting
    2%
  • Muscle twitching
    2%
See more detailed side effects
17possible side effects
  • Nausea
    22%
  • Dizziness
    13%
  • Dry mouth
    11%
  • Excessive sweating
    10%
  • Constipation
    9%
  • Inability to sleep
    9%
  • Tiredness
    7%
  • Decreased appetite
    5%
  • Drowsiness
    4%
  • Vomiting
    3%
  • Anxiety
    3%
  • Blurry vision
    3%
  • Tremor
    2%
  • Abnormal dreams
    2%
  • Dilated pupils
    2%
  • Vertigo
    2%
  • Ringing in ears
    2%
See more detailed side effects
Risks and risk factors
  • Suicidal thoughts or behavior
    • Age 24 years or younger
  • High levels of serotonin (Serotonin Syndrome)
    • Using other medications that affect serotonin levels
  • Withdrawal
    • Stopping Paxil (paroxetine) suddenly
  • Increased bleeding risk
    • Taking other blood-thinning drugs
  • Sexual dysfunction
See more detailed risks and warnings
  • Suicidal thoughts or behavior
    • Age 24 or younger
  • Serotonin syndrome
    • Taking other medicines that also increase serotonin activity: Antidepressants (SSRIs, SNRIs, TCAs)
    • lithium
    • tramadol
    • Imitrex
    • Remeron
    • Lexapro
    • Dilaudid
  • Increased blood pressure
    • People with a history of high blood pressure or other heart conditions
  • Increased bleeding risk
    • Taking NSAIDS, blood thinners, or aspirin
  • Low sodium levels in blood
    • Older people
    • Taking diuretics
  • Stopping Pristiq (desvenlafaxine) too quickly
    • Taking the medicine for a long time
    • Stopping Pristiq (desvenlafaxine) too quickly
See more detailed risks and warnings