Prescription requiredAntipsychotic

Qutiwel SR 50MG Tab — Side Effects & Warnings

Known side effects of Qutiwel SR 50MG Tab include Sleepiness/drowsiness, dizziness, dry mouth, constipation, weight gain, increased appetite, orthostatic hypotension, fast heartbeat, fatigue, blurred vision. Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026

Common Side Effects

Sleepiness/drowsiness
dizziness
dry mouth
constipation
weight gain
increased appetite
orthostatic hypotension
fast heartbeat
fatigue
blurred vision

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Prescription-only antipsychotic. May cause significant drowsiness—avoid driving/machinery until you know its effects. Risk of orthostatic hypotension and falls, especially when starting or increasing dose. Can increase blood sugar, cholesterol and weight; monitor glucose/lipids/weight. Rare but serious: neuroleptic malignant syndrome, tardive dyskinesia, seizures, severe allergic reactions. Use caution in elderly patients with dementia-related psychosis (increased mortality risk). Monitor for suicidal thoughts, especially in young adults. Dose adjustment may be needed in liver impairment.

Drug Interactions

Qutiwel SR 50MG Tab may interact with the following:

Alcohol and other CNS depressants (increased sedation)
antihypertensives (additive low BP)
CYP3A4 inhibitors such as ketoconazole/itraconazole/clarithromycin/ritonavir (increase quetiapine levels)
CYP3A4 inducers such as carbamazepine/phenytoin/rifampicin (reduce effect)
QT-prolonging medicines (additive risk)
grapefruit juice (may increase levels)

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Use with caution / Consult doctor (use only if benefits outweigh risks; neonatal withdrawal/extrapyramidal symptoms possible if used late in pregnancy)

Alcohol Interaction

Avoid

Habit Forming

Storage

Store at room temperature (below 25°C), protected from moisture and light. Keep in original blister pack and out of reach of children.

Qutiwel SR 50MG Tab — Safety Summary

Composition: Quetiapine (50mg)
Prescription: Required (Rx)
Pregnancy: Use with caution / Consult doctor (use only if benefits outweigh risks; neonatal withdrawal/extrapyramidal symptoms possible if used late in pregnancy)
Alcohol: Avoid
Habit forming: No

Qutiwel SR 50MG Tab — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.

Qutiwel SR 50MG Tab — Side Effects & Warnings

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026