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Composition FOR QUSER (ICON)

Quetiapine(400 mg)

food interaction for QUSER (ICON)

alcohol interaction for QUSER (ICON)

pregnancy interaction for QUSER (ICON)

lactation interaction for QUSER (ICON)

medicine interaction for QUSER (ICON)

It is better to take Quser 400mg tablet xl empty stomach (1 hour before food or 2 hours after food).
Quser 400mg tablet xl may cause excessive drowsiness and calmness with alcohol.
Quser 400mg tablet xl may be unsafe to use during pregnancy.
Animal studies have shown adverse effects on the foetus, however, there are limited human studies. The benefits from use in pregnant women may be acceptable despite the risk. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Quetiapine(400 mg)


Quser 400mg tablet xl is used in the treatment of schizophrenia (mental disorder in which patient interpret reality abnormally) and mania (abnormally elevated mood)

How it works

Quser 400mg tablet xl works by modulating the action of certain chemical messengers in the brain that affects thoughts and mood.

Common side effects

Vomiting, Nausea, Altered libido, Joint pain, Constipation, Dizziness, Drowsiness, Dry mouth, Flatulence, Headache, Increased appetite, Indigestion, Irritation, Nasal congestion, Stomach pain, Weakness, Weight gain, Absence of menstrual periods, Irregular menstrual cycle


No substitutes found

Expert advice FOR QUSER (ICON)

  • Do not take quetiapine if you have allergy to quetiapine or any of the ingredients of the medicine.
  • Do check your weight at regular intervals as quetiapine is known to cause weight gain.
  • Do not drive or use any tools or machines unless you know how quetiapine affect you; this is because quetiapine is known cause sleepiness.
  • Do not stop quetiapine abruptly; do inform your doctor as he/she would decide and reduce the dose gradually for 1 to 2 weeks before stopping.
  • Do get your blood checked at regular intervals, as suggested by your doctor, as many of the side-effects of quetiapine are noted only when a blood test is done.
  • Do inform your doctor if you are going for urine drug screening. This is because your urine may cause positive results for methadone or certain drugs for depression called tricyclic antidepressants (TCAs) when some test methods are used, even though you may not be taking methadone or TCAs. Hence, a different test method may be used for you.
  • Take special precaution if you suffer from have ever suffered any brain damage or coma, epilepsy or convulsions; muscle weakness (a disease called myasthenia gravis).
  • Take special precaution while taking quetiapine if you observe symptoms of neuroleptic malignant syndrome (a combination of fever, severe muscle stiffness, sweating or a lowered level of consciousness); long-lasting and painful erection (priapism); uncontrollable movements (mainly of your face or tongue), fits, suicidal thoughts, or dizziness.
  • Quetiapine is not recommended in children and adolescents below 18 years of age.

Frequently asked questions FOR QUSER (ICON)


Q. Can I take Seroquel for sleep/ anxiety?
No, Seroquel is used to treat symptoms of schizophrenia, mania, depression associated with bipolar disorder, and major depressive disorder

Q. Can I take Seroquel forever?
No, you should take Seroquel as prescribed your doctor

Q. Is quetiapine same as Seroquel?
Yes, Seroquel is the trade name for the active ingredient quetiapine

Q. Is quetiapine dangerous?
Quetiapine is safe if used at prescribed doses for the prescribed duration as advised by your doctor

Q. Is quetiapine a narcotic/ Benzo/ Benzodiazepine?
No, quetiapine is not a narcotic/ Benzo/ Benzodiazepine; it belongs to a group of medications called antipsychotic agent

Q. Is quetiapine a sedative?
Quetiapine is not a sedative drug; however, sedation is a known side effect of this drug

Q. Is quetiapine addictive?
No, quetiapine is not an addictive drug

Q. Is quetiapine a mono amine oxidase inhibitor (MAO-I)?
No, quetiapine belongs to a group of medications called antipsychotic agent.


Content on this page was last updated on 12 January, 2017, by Dr. Varun Gupta (MD Pharmacology)