Compare Sustol vs. Zyprexa

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

Helps prevent nausea and vomiting due to cancer chemotherapies.

Sustol (granisetron) is a long-acting injection that helps to prevent nausea and vomiting due to cancer chemotherapies, but causes bleeding and bruising at the injection site.

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.

3.7/ 5 average rating with 68 reviewsforZyprexa
  • Each dose of Sustol (granisetron) provides relief from nausea and vomiting for at least 7 days.
  • Dosing is less frequent than alternatives.
  • Injection may be preferrable if you have difficulty swallowing a pill.
  • 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.
  • Sustol (granisetron) must be given at the doctor's office or infusion center 30 minutes before chemotherapy.
  • The dose of Sustol (granisetron) needs to be adjusted if you have poor kidney function.
  • Available as an expensive, branded product only.
  • 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..
Used for
  • Prevention of nausea and vomiting due to cancer chemotherapy
Dosage forms
  • Extended-release injection
  • Pill
  • Dissolving tablet
  • Injection
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68 reviews so far
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Side effects
The Sustol (granisetron) FDA package insert doesn’t have numbers about how common side effects are.
9possible side effects
  • Drowsiness
  • Weight gain
  • Increased appetite
  • Headache
  • Fatigue
  • Dizziness
  • Dry Mouth
  • Abdominal pain
  • Pain in extremity
See more detailed side effects
Risks and risk factors
  • Serotonin syndrome
    • Taking other medicines that affect serotonin levels such as anti-depressants
  • Troublesome stomach side-effects (ileus)
    • Taking other medications that cause constipation such as Norco and Percocet.
  • Injection site reactions
    • Bruising/bleeding more likely if also taking medications that affect blood coagulation
  • Allergic reactions
See more detailed risks and warnings
  • Increased risk of death
    • Elderly patients with dementia
  • Blood disorders
  • Neuroleptic malignant syndrome
  • Heart problems
    • History of heart problems
    • Drug interactions
  • Shaking and restlessness
  • Higher blood sugar, high cholesterol, and weight gain
    • People with diabetes
    • People with high cholesterol
See more detailed risks and warnings