Compare Lamictal vs. Zyprexa

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

Lamictal
(lamotrigine)

Zyprexa
(olanzapine)

Prevents seizures and stabilizes mood. Lamictal (Lamotrigine) is most useful for treating severe seizure disorders, and for bipolar disorder with more depression symptoms than manic symptoms. Just be careful to increase your dose slowly to avoid skin rash.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.
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Coupons for Lamictal
Best available price for 30 (100mg) tablets of lamictal
Reviews & ratings
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Filter group. All currently selected
5.11Lamictal
Reviews for Lamictal
66%
of people (All ages) say Lamictal is worth it
58%
say it works well
18%
say it's a big hassle
184 reviews
Have you used Lamictal (lamotrigine)?
Worth itNot sureNot worth it
Reviews for Zyprexa
41%
+25% better vs. Lamictal
51%
+7% better vs. Lamictal
51%
+33% better vs. Lamictal
Have you used Zyprexa (olanzapine)?
Worth itNot sureNot worth it
Side effects
LamictalZyprexa
  • Dizziness 25%
  • Headache 9%
  • Double vision 21%
  • Lack of muscle coordination 16%
  • Nausea 9%
  • Blurred vision 11%
  • Inflammation inside the nose 5%
  • Drowsiness 7%
  • Sore throat 1%
  • Rash 5%
More Lamictal side effects »
  • 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 »
How it works
LamictalZyprexa
Lamictal (Lamotrigine) is an antiepileptic. Researchers don't know exactly how it works, but it seems to calm nerve activity in the brain.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.
Type of medication
LamictalZyprexa
Prescription onlyPrescription only
Available as
LamictalZyprexa
  • Pill
  • Extended release
  • Chewable tablet
  • Dissolving tablet
  • Pill
  • Dissolving tablet
  • Injection
Used for
LamictalZyprexa
Risk factors for serious side effects
LamictalZyprexa
  • History of depression
  • People also taking Depakote
  • Taking more than the prescribed dose
  • Increasing the dose too quickly
  • Taking birth control pills
Detailed Lamictal (lamotrigine) risks & warnings »
  • Elderly patients with dementia
  • History of heart problems
  • Drug interactions
  • People with diabetes
  • People with high cholesterol
Detailed Zyprexa (olanzapine) 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.

Food
LamictalZyprexa
  • Take with food to avoid upset stomach.
No food related info.
Sleep
LamictalZyprexa
No sleep related info.
  • Can cause dizziness and drowsiness.
  • Might make you more sleepy than some antipsychotics.
Weight
LamictalZyprexa
No weight related info.
  • 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.
Upsides and benefits
LamictalZyprexa
  • Effective at lowering the frequency of seizures in people with epilepsy or Lennox-Gestaut syndrome. Typically used together with other medications for severe seizure disorders.
  • Works best for partial, tonic-clonic, and absence seizures.
  • A first-line treatment for bipolar disorder. Effective long-term treatment for stabilizing mood. Prevents both depressive and manic episodes, but the effect is greater for preventing depression.
  • Doesn't require routine blood tests.
  • 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.
Downsides and risks
LamictalZyprexa
  • Can cause double vision, dizziness, sleepiness, and headache.
  • Has the risk of a rare but life-threatening rash.
  • Can make hormonal birth control less effective.
  • Might be less effective than other medicines for treating manic episodes (acute mania) in people with bipolar disorder.
  • 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..
Tips from our pharmacists for people taking the medication
LamictalZyprexa
  • Follow dose adjustments set by your doctor to minimize skin rash.
  • Take with food to avoid upset stomach.
  • Report rash, blurry vision, fever, persistent headache, or neck stiffness to your doctor.
  • Makes hormonal birth control less effective.
  • Takes 4 to 6 weeks to feel full effects on mood.
  • 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).
Learn more
More about LamictalSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Lamictal (lamotrigine)?
Worth itNot sureNot worth it
More about ZyprexaSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Zyprexa (olanzapine)?
Worth itNot sureNot worth it