Compare Prozac vs. Xanax

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

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Prozac (fluoxetine)

Prescription only

Xanax (alprazolam)

Prescription only
Improves mood and helps you relax.

Prozac (fluoxetine) is good for treating depression and anxiety. It's more energizing than other antidepressants, so it may not be the best choice for people who have trouble sleeping.

3.5/ 5 average rating with 1319 reviewsforProzac
Helps you relax.

Xanax (alprazolam) effectively treats occasional or short-term anxiety and panic attacks. Compared to similar drugs, it is more likely to cause withdrawal symptoms and can have more interactions with some medicines.

3.9/ 5 average rating with 1287 reviewsforXanax
Upsides
  • Effectively treats a variety of mental health conditions such as depression, OCD, and panic disorder.
  • It's more energizing than other antidepressants, so it's good for people who have low energy.
  • Might be a good option for treating children with depression and/or OCD.
  • Doesn't have effects on the heart unlike other antidepressants so it may be a better treatment choice for older people.
  • Can cause a significant amount of weight loss which is an added benefit for those who are overweight or obese.
  • Xanax (alprazolam) can be used to manage anxiety associated with depression.
  • Works very quickly - in hours.
  • Available in generic.
Downsides
  • Takes at least 1 to 2 weeks to kick in and can take up to 12 weeks for maximum effect. Prozac (fluoxetine) tends to take more time to start working compared to similar alternatives.
  • Can lower your sex drive.
  • Can increase the risk of suicidal thoughts and/or behavior in those age 24 or younger.
  • You may need to try out several different antidepressants before you find the one that works for you.
  • Use of Xanax (alprazolam) can cause memory problems, drowsiness, dizziness, and confusion.
  • Xanax (alprazolam) can be habit-forming, so it's not typically used for long-term treatment.
  • Compared to other similar drugs, Xanax (alprazolam) is more likely to cause withdrawal symptoms if you take it for a long time and then stop suddenly.
  • If you have liver problems, Xanax (alprazolam) may not be the best choice since it is processed by the liver. Several drugs can also interfere with how Xanax (alprazolam) works. Talk to your doctor to see if Xanax (alprazolam) is right for you.
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Used for
Dosage forms
  • Pill
  • Delayed-release pill
  • Liquid
  • Pill
  • Extended release
  • Dissolving tablet
  • Liquid
Price
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Reviews
1319 reviews so far
62%
saidit'sworth it
40%
saiditworked well
16%
saidit'sa big hassle

Have you used Prozac (fluoxetine)?

Leave a review
1287 reviews so far
74%
saidit'sworth it
55%
saiditworked well
13%
saidit'sa big hassle

Have you used Xanax (alprazolam)?

Leave a review
Side effects
22possible side effects
  • Inability to sleep
    33%
  • Nausea
    28%
  • Lack of energy
    21%
  • Anxiety
    15%
  • Sleepiness
    13%
  • Tremor
    13%
  • Nervousness
    11%
  • Yawn
    11%
  • Indigestion
    10%
  • Sore throat
    10%
  • Dry mouth
    9%
  • Flu syndrome
    8%
  • Diarrhea
    8%
  • Loss of appetite
    8%
  • Sweating
    8%
  • Impotence
    7%
  • Abnormal ejaculation
    7%
  • Sinus infection
    6%
  • Lower sex drive
    5%
  • Abnormal dreams
    5%
  • Rash
    4%
  • Widening of blood vessels
    2%
See more detailed side effects
24possible side effects
  • Drowsiness
    41%
  • Lightheadedness
    21%
  • Dry mouth
    15%
  • Depression
    14%
  • Headache
    13%
  • Confusion
    10%
  • Constipation
    10%
  • Diarrhea
    10%
  • Nausea/vomiting
    10%
  • Difficulty sleeping
    9%
  • Fast heartbeat
    8%
  • Nasal congestion
    7%
  • Blurry vision
    6%
  • Low blood pressure
    5%
  • Nervousness
    4%
  • Increased salivation
    4%
  • Muscle rigidity
    4%
  • Tremor
    4%
  • Skin irritation/allergy
    4%
  • Fainting
    3%
  • Weight gain
    3%
  • Dizziness
    2%
  • Restlessness
    2%
  • Weight loss
    2%
See more detailed side effects
Risks and risk factors
  • Suicidal thoughts or behavior
    • Age 24 or younger
  • Serotonin syndrome
    • Antidepressants
    • Lithium
    • Ultram
    • Imitrex
    • Remeron
    • Lexapro
    • Dilaudid
    • St. John's Wort
  • Skin rash
  • Weight loss
    • People with an eating disorder
  • Increased bleeding risk
    • Taking NSAIDS or blood-thinning drugs
  • Abnormal heart rhythm
    • People with heart rhythm problems or a family history of them
    • Low potassium level
    • Low magnesium level
    • Recent heart attack
    • Using other drugs that affect heart rhythm
    • Overdose
    • People with liver problems
See more detailed risks and warnings
  • Decreased breathing from use with opioids
    • Taking Xanax (alprazolam) with opioids, drugs or alcohol
    • Using Xanax (alprazolam) for a longer duration and at high doses
  • Dependence and withdrawal
    • History of substance abuse
    • Taking with alcohol or drugs
    • Taking more than 4 mg/day or longer than 12 weeks
    • Stopping Xanax (alprazolam) suddenly
  • Suicidal thoughts or behavior
    • Severe depression
  • Driving impairment
    • Taking with alcohol or drugs
  • Drug interactions
    • Current liver problems
    • Taking medicines such as antifungals, cimetidine, or some HIV medicines
See more detailed risks and warnings