Seroquit 100 mg (Quetiapine)

What is Seroquit 100 mg?

Seroquit 100 mg contains Quetiapine, an atypical (second-generation) antipsychotic used to treat serious mental and mood disorders. It works by modulating certain brain chemicals—primarily dopamine and serotonin—to improve thinking, mood, and behavior.

Uses of Seroquit 100 mg

Seroquit 100 mg is commonly used for:

• Schizophrenia (in adults and adolescents aged 13+)

• Bipolar Disorder, including:

  • Acute manic episodes

  • Depressive episodes

  • Maintenance treatment

• Major Depressive Disorder (MDD) – as an adjunct to antidepressants

• Off-label uses:

  • Generalized Anxiety Disorder

  • Post-Traumatic Stress Disorder (PTSD)

  • Insomnia (short-term)

Benefits of Seroquit 100 mg

• Reduces hallucinations, paranoia, and delusional thinking

• Stabilizes mood swings in bipolar disorder

• Provides sedation and calmness, helpful for agitation or anxiety

• Improves sleep, appetite, and concentration

• Enhances treatment outcomes when added to antidepressants

How Does Seroquit 100 mg Work?

Seroquit acts by:

• Blocking dopamine D2 receptors, reducing psychotic symptoms

• Blocking serotonin 5-HT2A receptors, improving mood and cognition

• Blocking histamine and adrenergic receptors, causing sedative and hypotensive effects

Its multi-receptor action allows it to treat both psychotic and mood-related symptoms effectively.

How to Take Seroquit 100 mg

• Take orally, with or without food

• Swallow the tablet whole—do not crush or chew

• Usually taken once or twice daily, depending on your condition

• Take at the same time daily for best results

Dosage of Seroquit 100 mg

• Schizophrenia/Bipolar Disorder: May start at 50 mg and gradually increase. 100 mg can be part of a titration phase or a maintenance dose, depending on individual response.

• Maintenance Dose: Typically 300–800 mg/day, in divided doses

• Always follow your doctor’s prescription—do not adjust dose without medical supervision

Missed Dose and Overdose

• Missed Dose: Take it when remembered. If close to the next dose, skip the missed one. Do not double dose.

• Overdose Symptoms: Extreme drowsiness, fast or, low blood pressure, seizures, or coma. Seek emergency help immediately.

Available Strengths of Seroquit

• 25 mg

• 50 mg

• 100 mg

• 200 mg

• 300 mg

• 400 mg

Side Effects of Seroquit 100 mg

Common Side Effects:

• Drowsiness or sleepiness

• Dizziness or fainting

• Constipation

• Dry mouth

• Increased appetite and weight gain

Serious Side Effects:

• High blood sugar or cholesterol

• Extrapyramidal symptoms (EPS): muscle stiffness, tremors

• Neuroleptic Malignant Syndrome (NMS): rare but life-threatening

• Suicidal thoughts or behavior (especially in young people)

Drug Interactions

Avoid combining with:

• CNS depressants (alcohol, opioids, sedatives)

• Grapefruit juice (can increase drug levels)

Inform your doctor of all medications, including OTCs and supplements.

Precautions

• Use cautiously in those with:

  • Heart disease

  • Liver problems

  • Diabetes

  • Seizure disorders

• May cause orthostatic hypotension (drop in BP when standing)

• Do not stop suddenly—taper gradually

Storage Instructions

• Store at 15°C to 30°C (room temperature)

• Keep away from moisture and direct light

• Keep out of reach of children and pets

Availability in the US and Australia

• US: Marketed as Seroquel and as generic Quetiapine. Seroquit is not commonly used as a brand name in the U.S., but equivalent formulations are available.

• Australia: Available under brand names like Seroquel. Seroquit may be available in pharmacies as a generic or alternate brand.

Frequently Asked Questions (FAQs)

1. Can I drive after taking it?

Avoid driving until you know how it affects you—drowsiness and slowed reaction time are common.

2. Does it cause weight gain?

Yes. It can increase appetite and lead to significant weight gain, especially with long-term use.

3. How long does it take to work?

Sedative effects can begin within hours, while mood and antipsychotic effects may take 1–2 weeks or more.

4. Is it safe for long-term use?

Yes, under medical supervision. Routine monitoring of weight, blood sugar, cholesterol, and mental health is essential.