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MRP: Rs. 70 for 1 strip(s) (10 tablets each)
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Composition for KOLZEP


food interaction for KOLZEP

alcohol interaction for KOLZEP

pregnancy interaction for KOLZEP

lactation interaction for KOLZEP

It can be taken with or without food, but it is better to take Kolzep forte tablet at a fixed time.
Kolzep forte tablet may cause excessive drowsiness and calmness with alcohol.
Kolzep forte tablet may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Kolzep forte tablet is probably unsafe to use during breastfeeding. Please consult your doctor.




Kolzep forte tablet is used to treat schizophrenia (mental illness in which individual cannot think or behave normally and often experiences delusions). It is also used to treat manic episodes in patients; to stabilize mood in patients with bipolar disorders (mental disorder that causes changes in mood, energy, and ability to function).

How it works

Kolzep forte tablet belongs to a class of medication called atypical antipsychotics. It acts changing the activity of certain chemicals in the brain.

Common side effects

Altered behaviour, Absence of menstrual periods, Oligomenorrhea, Back pain, Joint pain, Pain in extremity, Abnormal breast enlargement in male, Central nervous system depression, Constipation, Decreased sexual function, Dizziness, Drowsiness, Dry mouth, Insomnia, Restlessness, Walking difficulties, Weakness, Weight gain


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Expert advice for KOLZEP

  • Do not take olanzapine tablet if you are allergic to olanzapine or any other ingredient in the medicine.Do not drive or operate machinery immediately after taking olanzapine as it may cause drowsiness.
  • Avoid taking olanzapine if you have mental illnesses like suicidal thoughts, depression; or suffering from fits (epilepsy), Parkinson’s disease, Alzheimer disease or dementia.
  • Do not start or continue taking olanzapine, if you are suffering from diabetes; heart problems, high blood pressure or high cholesterol; breathing problems, increased pressure inside the eye that causes visual problems (glaucoma) or other eye related problems.
  • Do not drink alcohol while taking olanzapine as it may cause drowsiness.

Frequently asked questions for KOLZEP


Q. Is olanzapine a narcotic/sedative/used for anxiety/addictive?
Olanzapine is not a narcotic/sedative/used for anxiety. It is used to treat schizophrenia patients who suffer from symptoms like seeing or hearing things which are actually not present. It is also used to treat manic episodes in patients. It also stabilized mood in patients with bipolar disorders. It is not generally known to be addictive.
Q. Is olanzapine a benzodiazepine/SSRI/MAOI?
Olanzapine is a benzodiazepine. It is not an SSRI (selective serotonin reuptake inhibitor) or MAOI (monoamine oxidase inhibitor).

Q. Is it like Xanax or valium?
 Olanzapine is not like Xanax or valium but all of them belong to the same class of medication called benzodiazepines.
Q. Can olanzapine be used forever? 
No drug should be used forever until specifically advised by the doctor.
Q. Can I take diazepam/ibuprofen/paracetamol/zopiclone/ tramadol/sertraline/citalopram/Seroquel/ Xanax with olanzapine?
Olanzapine can be taken along with Ibuprofen (pain killer)/ paracetamol (analgesic) but only under strict instructions from the doctor. Olanzapine preferably should not be taken with tramadol (opioid pain killer)/ zopiclone (insomnia treatment)/diazepam or valium (benzodiazepines)/ sertraline (anti-depressant)/ citalopram (anti-depressant)/Seroquel (anti-depressant). Drugs are known to interact with each other and cause side effects. Drugs should be taken in combination only as per the advice of the doctor.
Q. Does olanzapine cause weight gain/memory loss/ depression/anxiety/ hair loss/sleepiness?
Olanzapine is known to have side effects like weight gain/memory loss/ depression/anxiety/ hair loss/sleepiness.

Q. Does it cause increased dopamine?
 Olanzapine is not known to cause increased dopamine. Please inform the doctor immediately about the side effects observed by you.


Content on this page was last updated on 06 January, 2014, by Dr. Varun Gupta (MD Pharmacology)