What is Olanzapine?

Category: Prescription Drugs

Most popular types: Zyprexa Zyprexa Zydis Teva Olanzapine Show all

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See also: Symbyax

Olanzapine is a member of a class of medications known as atypical antipsychotics. It works by changing the activity of certain natural substances in the brain. It may be used to treat the symptoms of schizophrenia, bipolar disorder, or depression.  

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Bipolar disorder 270 152
Schizoaffective disorder 44 31
Psychosis disorder 36 27
Schizophrenia 35 29
Anxious mood 27 22

Show all 84 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 117
Moderate 76
Mild 53
None 54

Commonly reported side effects and conditions associated with Olanzapine

Side effect Patients
Weight gain 104
Lethargy 17
Sedation 15
Fatigue 14
Sleepiness 10
Constant hunger 8

Show all 110 reported side effects

Dosages

Based on patients currently taking Olanzapine

Dosage Patients
5 mg daily 15
2.5 mg daily 11
10 mg daily 9
20 mg daily 6
15 mg daily 4
7.5 mg daily 3
5mg as needed 3
2.5mg as needed 2
2.5 mg twice daily 1
5 mg twice daily 1

See all 14 dosages

Why patients stopped taking Olanzapine

Multiple reasons could be selected

Reason Patients
Side effects too severe 197
Doctor's advice 98
Did not seem to work 79
Other 30
Course of treatment ended 27
Personal research 21
Expense 11
Change in health plan coverage 5
See all 322 patients who've stopped taking Olanzapine

Duration

Currently taking Olanzapine

Duration Patients
Less than 1 month 1
1 - 6 months 5
6 months - 1 year 3
1 - 2 years 16
2 - 5 years 14
5 - 10 years 11
10 years or more 11

Stopped taking Olanzapine

Duration Patients
Less than 1 month 103
1 - 6 months 85
6 months - 1 year 50
1 - 2 years 36
2 - 5 years 33
5 - 10 years 12
10 years or more 7
Adherence
Adherence Evaluations
Always 233
Usually 30
Sometimes 16
Never taken as prescribed 21
Burden
Burden Evaluations
Very hard to take 32
Somewhat hard to take 37
A little hard to take 37
Not at all hard to take 194
Cost per month
Cost per month Evaluations
$200+ 10
$100-199 4
$50-99 5
$25-49 8
< $25 118
Not specified 155

What people switch to and from

Patients started taking Olanzapine after stopping:

Treatment Patients
Risperidone (Risperdal) 14
Aripiprazole (Abilify) 10
Quetiapine (Seroquel) 9
Lithium Carbonate (Lithium Carbonate ER) 7
Fluoxetine (Prozac) 5

Show all 38 treatments patients report switching from

Patients stopped taking Olanzapine and switched to:

Treatment Patients
Quetiapine (Seroquel) 17
Lamotrigine (Lamictal) 13
Lurasidone (Latuda) 11
Aripiprazole (Abilify) 10
Lithium Carbonate (Lithium Carbonate ER) 5

Show all 23 treatments patients report switching to

Last updated:

24 patient evaluations for Olanzapine

Oct 14, 2018 (Started Jul 01, 2014)

  • Effectiveness
    Major (for schizophrenia)
  • Side effects
    Mild (anger)
  • Adherence
    Always
  • Burden
    A little hard to take

  • 0 helpful marks

May 9, 2017 (Started Mar 01, 2010)

  • Effectiveness
    Slight (for schizophrenia)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for mania)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Somewhat hard to take
Dosage: 20 mg All the time (24/7)

Dec 4, 2010 (Started Mar 01, 2010)

  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Major (for mania)
  • Side effects
    Mild
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 20 mg All the time (24/7)

  • 1 helpful mark

May 1, 2017 (Started Dec 13, 2012)

  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Major (for schizoaffective disorder)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for paranoid schizophrenia)
  • Effectiveness
    Major (for auditory hallucinations)
  • Side effects
    Mild (restlessness (akathisia), stiffness in legs, restless feeling in legs, decreased sex drive (libido))
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 10 mg Daily
Advice & Tips: I have been on Zyprexa for over four years and I no longer feel like; others could hear my thoughts (broadcasting), that I could hear other people thoughts (mind reading), that I could communicate by thought with others without speaking a word (telepathic communication), not only could I communicate with other people in this way but I could communicate with other things as if they had human like qualities (anthropomorphic telepathic communication), believing that I am super important to the world (grandiose thinking), that others were out to kill me (paranoia), and being very delusional. But, before Zyprexa I did believe in these things (powers) were true for me, but now I do not. Also, for over 35 years (1977 - 2013) I believed that God would talk to me personally and would give me personal instructions, but now, after starting Zyprexa on Dec 13, 2012, I no longer believe this is/was probably ever true. Zyprexa, work better with less side effects., than those in 1977 when I started taking antipsychotic medications. I may have gotten the side effect of an internal restlessness that makes you want to move, akathista, from those earlier antipsychotic medications and not from Zyprexa.
Cost: < $25 monthly

Dec 16, 2016 (Started Dec 13, 2012)

  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Major (for schizoaffective disorder)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for paranoid schizophrenia)
  • Effectiveness
    Major (for auditory hallucinations)
  • Side effects
    Moderate (restlessness (akathisia), stiffness in legs, restless feeling in legs, decreased sex drive (libido))
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 15 mg Daily
Advice & Tips: I have been on Zyprexa for about four years and I no longer feel like; others could hear my thoughts (broadcasting), that I could hear other people thoughts (mind reading), that I could communicate by thought with others without speaking a word (telepathic communication), not only could I communicate with other people in this way but I could communicate with other things as if they had human like qualities (anthropomorphic telepathic communication), believing that I am super important to the world (grandiose thinking), that others were out to kill me (paranoia), and being very delusional. But, before Zyprexa I did believe in these things (powers) were true for me, but now I do not. Also, for over 35 years (1977 - 2013) I believed that God would talk to me personally and would give me personal instructions, but now, after starting Zyprexa on Dec 13, 2012, I no longer believe this is/was probably ever true. Zyprexa, work better with less side effects., than those in 1977 when I started taking antipsychotic medications. I may have gotten the side effect of an internal restlessness that makes you want to move, akathista, from those earlier antipsychotic medications and not from Zyprexa.
Cost: < $25 monthly

Sep 25, 2015 (Started Dec 13, 2012)

  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Major (for schizoaffective disorder)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for paranoid schizophrenia)
  • Side effects
    Mild (restlessness (akathisia), stiffness in legs, restless feeling in legs, decreased sex drive (libido))
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 20 mg Daily
Advice & Tips: I have been on Zyprexa for about two and half years and I no longer feel like; others could hear my thoughts (broadcasting), that I could hear other people thoughts (mind reading), that I could communicate by thought with others without speaking a word (telepathic communication), not only could I communicate with other people in this way but I could communicate with other things as if they had human like qualities (anthropomorphic telepathic communication), believing that I am super important to the world (grandiose thinking), that others were out to kill me (paranoia), and being very delusional. But, before Zyprexa I did believe in these things (powers) were true for me, but now I do not. Also, for over 35 years (1977 - 2013) I believed that God would talk to me personally and would give me personal instructions, but now, after starting Zyprexa on Dec 13, 2012, I no longer believe this is/was ever true. Zyprexa, work better with less side effects., than those in 1977 when I started taking antipsychotic medications. I may have gotten the side effect of an internal restlessness that makes you want to move, akathista, from those earlier antipsychotic medications and not from Zyprexa.
Cost: < $25 monthly

Feb 24, 2015 (Started Dec 13, 2012)

  • Effectiveness
    Major (for schizoaffective disorder)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Can't tell (for bipolar disorder)
  • Effectiveness
    Major (for paranoid schizophrenia)
  • Side effects
    Severe (restlessness (akathisia), stiffness in legs, restless feeling in legs, decreased sex drive (libido))
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 20 mg Daily
Advice & Tips: I did not believe this medication would change anything for me, but it did. It works even though I did not believe it would. I use to feel my psychotic symptoms were truly real, but after being on Zyprexa for awhile, I now believe they are not and never were truly real. The side effect of internal restlessness (akathisia) is bad.
Cost: < $25 monthly

Jun 12, 2014 (Started Dec 13, 2012)

  • Effectiveness
    Major (for schizoaffective disorder)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Can't tell (for bipolar disorder)
  • Side effects
    Severe (restlessness (akathisia), stiffness in legs, restless feeling in legs, decreased sex drive (libido))
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 15 mg Daily
Cost: < $25 monthly

Apr 13, 2014 (Started Dec 13, 2012)

  • Effectiveness
    Major (for schizoaffective disorder)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Can't tell (for bipolar disorder)
  • Side effects
    Severe (restlessness (akathisia), stiffness in legs, restless feeling in legs, decreased sex drive (libido))
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 15 mg Daily
Cost: < $25 monthly

Mar 17, 2014 (Started Dec 13, 2012)

  • Effectiveness
    Major (for schizoaffective disorder)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Can't tell (for bipolar disorder)
  • Side effects
    Severe (restlessness (akathisia), stiffness in legs, restless feeling in legs, decreased sex drive (libido))
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 15 mg Daily
Cost: < $25 monthly

Feb 25, 2014 (Started Dec 13, 2012)

  • Effectiveness
    Major (for schizoaffective disorder)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Can't tell (for bipolar disorder)
  • Side effects
    Severe (restlessness (akathisia), stiffness in legs, restless feeling in legs, decreased sex drive (libido))
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 15 mg Daily
Cost: < $25 monthly

Apr 29, 2013 (Started Dec 13, 2012)

  • Effectiveness
    Major (for schizoaffective disorder)
  • Effectiveness
    Major (for psychosis disorder)
  • Effectiveness
    Major (for schizophrenia)
  • Effectiveness
    Can't tell (for bipolar disorder)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 15 mg Daily

  • 1 helpful mark
Last updated:
Showing 3 of 24 patient evaluations for Olanzapine