Compare Lamictal vs. Zyprexa

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

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Lamictal (Lamotrigine)

Prescription only

Zyprexa (olanzapine)

Prescription only
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.

3.7/ 5 average rating with 184 reviewsforLamictal
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
Upsides
  • 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
  • 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..
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Used for
Dosage forms
  • Pill
  • Extended release
  • Chewable tablet
  • Dissolving tablet
  • Pill
  • Dissolving tablet
  • Injection
Price
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Reviews
184 reviews so far
66%
saidit'sworth it
58%
saiditworked well
18%
saidit'sa big hassle

Have you used Lamictal (Lamotrigine)?

Leave a review
68 reviews so far
41%
saidit'sworth it
51%
saiditworked well
51%
saidit'sa big hassle

Have you used Zyprexa (olanzapine)?

Leave a review
Side effects
36possible side effects
  • Dizziness
    38%
  • Headache
    28%
  • Diplopia
    28%
  • Ataxia
    22%
  • Nausea
    19%
  • Blurred vision
    16%
  • Somnolence
    14%
  • Rhinitis
    14%
  • Pharyngitis
    10%
  • Rash
    10%
  • Vomiting
    9%
  • Cough increased
    8%
  • Flu syndrome
    7%
  • Dysmenorrhea
    7%
  • Fever
    6%
  • Diarrhea
    6%
  • Incoordination
    6%
  • Insomnia
    6%
  • Abdominal pain
    5%
  • Dyspepsia
    5%
  • Constipation
    4%
  • Tremor
    4%
  • Depression
    4%
  • Anxiety
    4%
  • Vaginitis
    4%
  • Convulsion
    3%
  • Irritability
    3%
  • Speech disorder
    3%
  • Pruritus
    3%
  • Vision abnormality
    3%
  • Neck pain
    2%
  • Reaction aggravated (seizure exacerbation)
    2%
  • Anorexia
    2%
  • Arthralgia
    2%
  • Concentration disturbance
    2%
  • Amenorrhea
    2%
See more detailed side effects
9possible side effects
  • Drowsiness
    48%
  • Weight gain
    28%
  • Increased appetite
    28%
  • Headache
    17%
  • Fatigue
    14%
  • Dizziness
    7%
  • Dry Mouth
    7%
  • Abdominal pain
    6%
  • Pain in extremity
    5%
See more detailed side effects
Risks and risk factors
  • Suicidal thoughts or behavior
    • History of depression
  • Serious skin rash
    • People also taking Depakote
    • Taking more than the prescribed dose
    • Increasing the dose too quickly
  • Serious allergic reactions
  • Blood disorders
  • Meningitis
  • Interactions with birth control pills
    • Taking birth control pills
  • Withdrawal seizures
    • Stopping Lamictal (Lamotrigine) suddenly
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