Citalopram Side Effects

Like all medications, Citalopram can cause side effects. Most people do not experience serious adverse effects, but it is important to know what to look for and when to seek medical care.

Common Side Effects

→Nausea (usually settles in 1–2 weeks)
→Headache
→Insomnia or somnolence
→Sexual dysfunction (reduced libido, delayed orgasm)
→Weight gain with long-term use
→Dry mouth
→Sweating

Serious Side Effects

→Serotonin syndrome (especially with other serotonergic drugs)
→Increased suicidal ideation in under-25s at start of treatment
→Hyponatraemia (especially in older adults)
→QT prolongation (citalopram and escitalopram)
→Bleeding risk (platelets)
→SSRI discontinuation syndrome

When to Seek Medical Care

→Increased thoughts of self-harm or suicide
→Rapid heart rate, high temperature, agitation, muscle twitching (serotonin syndrome)
→Confusion, seizures, or severe headache (low sodium)
→Unusual bruising or prolonged bleeding

Safety Note

If you experience any unexpected or concerning symptoms while taking Citalopram, contact your doctor or pharmacist. Do not stop taking Citalopram without medical advice unless you experience a serious adverse reaction.

Frequently Asked Questions

Are side effects from Citalopram common?

Most patients tolerate Citalopram well at therapeutic doses. Common side effects are usually mild and often improve after the first few weeks. Serious side effects are less common but should be reported immediately.

What should I do if I experience side effects from Citalopram?

Mild side effects: discuss with your pharmacist, as many resolve spontaneously. Serious side effects: seek medical care immediately and contact your prescriber. Do not stop Citalopram abruptly for long-term conditions without medical advice.

More About Citalopram

Dosage & Administration

Drug Interactions

Warnings & Precautions

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Medical Disclaimer: This drug reference is provided for informational purposes only and is not a substitute for professional medical advice. Always consult your physician or pharmacist before changing your medication. Information reviewed by the vHospital Editorial Team · Sources: WHO, BNF, FDA prescribing information.