Paroxetine Dosage & Administration

Paroxetine dosing must be individualised to the patient's condition, weight, kidney and liver function, and other medications. SSRIs are taken once daily, usually in the morning. Start at low doses and titrate after 2–4 weeks if insufficient response. Full therapeutic effect requires 4–8 weeks of adequate dosing.

Common Dosing Contexts

→Depression: titrate to effective dose; continue for ≥6 months after remission
→Anxiety: often start at lower doses than for depression
→OCD: typically requires higher doses and longer duration
→PTSD: continue for at least 12 months

Dosage Safety Notes

→Take at the same time each day, usually morning
→Do not stop abruptly — taper to avoid discontinuation syndrome
→If a dose is missed, skip and take next dose as scheduled (do not double)

How to Take

→Paroxetine is available in the following formulations depending on the indication.
→Always follow the exact dose and frequency prescribed by your healthcare provider.
→Do not adjust your dose without consulting your doctor or pharmacist.

Safety Note

Do not exceed the prescribed dose of Paroxetine. If you miss a dose, follow the specific guidance provided with your prescription — generally take it as soon as you remember unless it is nearly time for the next dose.

Frequently Asked Questions

Can I take a higher dose of Paroxetine if my symptoms don't improve?

No. Never increase the dose of Paroxetine without medical advice. If your current dose is insufficient, contact your healthcare provider to discuss a dose adjustment or alternative treatment.

Why does it take so long for antidepressants to work?

Acute serotonin reuptake blockade occurs immediately, but the therapeutic antidepressant effect requires neuroplastic changes — including synaptogenesis, neurogenesis, and receptor downregulation — which take 4–8 weeks to develop.

More About Paroxetine

Side Effects

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.