Compare Zyprexa vs. Geodon

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

Zyprexa
(olanzapine)

Geodon
(ziprasidone)

Helps control your thoughts and mood. Zyprexa (olanzapine) is good for treating psychosis, mania, and agitation, but it's more likely to cause weight gain and sleepiness than other antipsychotics.Helps control your thoughts and mood. Geodon (Ziprasidone) treats bipolar disorder and schizophrenia, and causes fewer side effects than similar medicines. It’s not a good choice if you have heart problems.
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.09Zyprexa
Reviews for Zyprexa
41%
of people (All ages) say Zyprexa is worth it
51%
say it works well
51%
say it's a big hassle
Have you used Zyprexa (olanzapine)?
Worth itNot sureNot worth it
Reviews for Geodon
43%
-2% worse vs. Zyprexa
43%
+8% better vs. Zyprexa
30%
-21% worse vs. Zyprexa
Have you used Geodon (ziprasidone)?
Worth itNot sureNot worth it
Side effects
ZyprexaGeodon
  • Dizziness 7%
  • Constipation 6%
  • Personality disorder 4%
  • Weight gain 5%
  • Feeling dizzy/faint when standing up 3%
  • Akathisia (can't sit still) 4%
  • Drowsiness 22%
  • Dry mouth 15%
  • Weakness 9%
  • Stomach problems 6%
More Zyprexa side effects »
  • Extrapyramidal Symptoms 6%
  • Somnolence 7%
  • Nausea 3%
  • Constipation 1%
  • Respiratory Tract Infection 5%
  • Dizziness 2%
  • Dyspepsia 1%
  • Akathisia 1%
  • Asthenia 2%
  • Diarrhea 1%
More Geodon side effects »
How it works
ZyprexaGeodon
Zyprexa (olanzapine) is an atypical antipsychotic. Researchers don't know exactly how it works. It seems to change chemical activity (like dopamine and serotonin) in your brain, which affects thoughts and mood.Geodon (Ziprasidone) is a second generation antipsychotic. It treats schizophrenia and bipolar disorder by adjusting the levels of dopamine and serotonin in your brain, which affects thoughts and mood.
Type of medication
ZyprexaGeodon
Prescription onlyPrescription only
Available as
ZyprexaGeodon
  • Pill
  • Dissolving tablet
  • Injection
  • Pill
  • Injection
Used for
ZyprexaGeodon
Risk factors for serious side effects
ZyprexaGeodon
  • Elderly patients with dementia
  • History of heart problems
  • Drug interactions
  • People with diabetes
  • People with high cholesterol
Detailed Zyprexa (olanzapine) risks & warnings »
  • Elderly patients with dementia
  • History of heart problems
  • Drug interactions
  • Low potassium
  • Low magnesium
Detailed Geodon (ziprasidone) risks & warnings »
Pregnancy

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Sleep
ZyprexaGeodon
  • Can cause dizziness and drowsiness.
  • Might make you more sleepy than some antipsychotics.
  • Can cause drowsiness when you first start taking it, so avoid activities that require you to be alert until you know how it affects you.
Weight
ZyprexaGeodon
  • Zyprexa (olanzapine) is more likely to raise your blood sugar and cholesterol compared to other antipsychotic medications. Zyprexa (olanzapine) can also cause you to gain weight. Exercise and eat healthy food to lower your risk.
  • May cause weight gain and increased cholesterol or blood sugar.
  • More likely to cause weight gain and increase cholesterol or blood sugar compared to other antipsychotics.
  • It causes slightly less weight gain than similar medicines.
Upsides and benefits
ZyprexaGeodon
  • Effective at relieving psychotic symptoms, manic episodes, and agitation in people with schizophrenia and bipolar disorder.
  • Less likely to cause heart problems than other antipsychotics.
  • Less likely to cause movement problems compared to older antipsychotics.
  • Geodon (Ziprasidone) can be used with lithium or valproate to better treat bipolar disorder.
  • Geodon (Ziprasidone) can treat agitation in people with schizophrenia by reducing symptoms of anxiety, nervousness, and distress.
  • Compared to other antipsychotics, it has a lower risk of weight gain, hyperglycemia, and hyperlipidemia.
  • The Geodon (Ziprasidone) capsule is available as a generic.
  • The injectable form can treat sudden agitation in schizophrenia when it's not possible to use the capsules.
  • It's available as a pill that you take by mouth daily for continuous treatment and as an injection used for short-term treatment of agitation.
Downsides and risks
ZyprexaGeodon
  • More likely to cause weight gain and increase cholesterol or blood sugar compared to other antipsychotics.
  • Might make you more sleepy than some antipsychotics.
  • Mild risk of Extrapyramidal Symptoms (EPS): Movement disorders that include stiffness, tremor, restlessness, and slow, repetitive movements you can't control.
  • You may need routine blood tests to check how the medicine is affecting your body..
  • Elderly people with dementia shouldn’t take Geodon (Ziprasidone).
  • You shouldn’t take Geodon (Ziprasidone) if you have a history of heart problems (slow heart rate, recent heart attack, heart failure, or heart rhythm problems). It’s also not safe to take if you have low potassium or magnesium, or are taking medicines that increase the risk of this happening (diuretics).
  • You'll need to get blood tests before you start taking Geodon (Ziprasidone).
  • It causes slightly less weight gain than similar medicines.
  • Can't take Geodon (Ziprasidone) capsules and injections at the same time. Capsules should be used instead of the injection as soon as possible.
Tips from our pharmacists for people taking the medication
ZyprexaGeodon
  • Takes at least 4 to 6 weeks to see full effects on thoughts and mood.
  • Can cause dizziness and drowsiness.
  • For the first week, avoid activities that require you to be alert.
  • May cause weight gain and increased cholesterol or blood sugar.
  • Report any unusual thoughts, inability to control muscle movements, or fever and excess sweating to your doctor.
  • Elderly people with dementia shouldn't take Zyprexa (olanzapine).
  • It usually takes 4 to 6 weeks to see the full effects, so hang in there and wait until it works to figure out the right dose for you.
  • Take Geodon (Ziprasidone) twice a day, preferably with food.
  • Can cause drowsiness when you first start taking it, so avoid activities that require you to be alert until you know how it affects you.
  • Geodon (Ziprasidone) can cause heart problems, so call your doctor right away if you faint or feel a change in your heartbeat.
  • Let your doctor know if you're taking a diuretic (water pill) or have a condition like chronic diarrhea that'll lower the amount of potassium or magnesium in your blood.
Learn more
More about ZyprexaSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Zyprexa (olanzapine)?
Worth itNot sureNot worth it
More about GeodonSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Geodon (ziprasidone)?
Worth itNot sureNot worth it