Active Ingredient

Quetiapine

Quetiapine is an atypical antipsychotic medication used to help manage certain mental health conditions. It can help improve mood, thinking, and behavior.

It is often prescribed for conditions where mood stabilization and reduction of symptoms like hallucinations or delusions are needed.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Quetiapine Brands

Seroquel

Strengths 25mg, 50mg, 100mg, 200mg, 300mg

Quetiapine Uses

Quetiapine is commonly used to treat various mental health disorders. It helps in managing symptoms and improving quality of life.

Schizophrenia
Bipolar disorder
Major depressive disorder (as an add-on treatment)
Generalized anxiety disorder

How Quetiapine Works

Quetiapine works by affecting neurotransmitters in the brain, particularly serotonin and dopamine. These chemicals play a key role in mood regulation and perception.

As an atypical antipsychotic, it helps in balancing these neurotransmitters, which can reduce symptoms like hallucinations and mood swings.

This mechanism helps improve overall mental stability and functioning.

Common side effects of Quetiapine

While not everyone experiences side effects, some individuals may notice mild and temporary symptoms. It’s important to monitor and report any concerns to a healthcare provider.

Dizziness
Drowsiness
Dry mouth
Constipation
Weight gain
Increased appetite
Upset stomach

If side effects are severe or persistent, consult a doctor promptly.

Monitor your symptoms and report any significant changes to your doctor.
Avoid consuming large amounts of alcohol while taking quetiapine.
Be cautious when driving or operating machinery until you know how the medication affects you.
Inform your healthcare provider about all other medications you are taking to avoid interactions.
Do not stop taking the medication suddenly without consulting your doctor.

Always consult your healthcare provider for personalized medical advice.

Frequently Asked Questions

How long does it take for quetiapine to work?

The effects of quetiapine can be noticed within a few days, but it may take several weeks to experience the full benefits.

Can quetiapine be taken with other medications?

Quetiapine may interact with other medications. It’s important to inform your doctor about all the medicines you are taking.

Is quetiapine safe for long-term use?

Quetiapine can be used long-term under medical supervision. Regular follow-ups with your doctor are essential.

Can I drink alcohol while taking quetiapine?

It’s advisable to avoid alcohol as it can increase the sedative effects of quetiapine.

What should I do if I miss a dose of quetiapine?

If you miss a dose, take it as soon as you remember. If it’s close to your next dose, skip the missed dose. Do not double up.