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Risperdal Side Effects in Pakistan

A complete guide to the side effects of Risperdal. From common effects to serious warnings — everything you need to know is on this page.

Compiled by the PakVita Editorial Team · AI-assisted drafting with editorial review · Sourced from DRAP, WHO, BNF · Last updated:

Side Effects

Quick Answer

Common side effects of Risperdal include drowsiness and weight gain. Serious effects such as neuroleptic malignant syndrome require immediate medical attention. Most patients tolerate Risperdal well at the correct dose. Contact your doctor if any side effect persists or worsens.

Side Effects at a Glance

Common

  • Drowsiness
  • Weight gain
  • Dizziness

Serious — See a Doctor

  • Neuroleptic malignant syndrome (NMS)
  • Tardive dyskinesia
  • Significant blood sugar changes and elevated prolactin levels

When to See a Doctor Immediately

  • Fever, muscle rigidity, or sudden confusion (possible NMS)
  • Uncontrollable, repetitive movements of the face or body (possible tardive dyskinesia)
  • Fainting, irregular heartbeat, or severe dizziness

Risperdal Side Effects (Nuksanat)

Risperdal (Risperidone) is generally well tolerated when taken at the correct dose. However, like all medicines, it can cause side effects in some patients.

Common Side Effects (Aam Nuksanat)

  • Drowsiness
  • Weight gain
  • Dizziness

These side effects are usually mild. If they continue, inform your doctor.

Serious Side Effects (Sanjeedah Nuksanat)

  • Neuroleptic malignant syndrome (NMS) — fever, muscle rigidity, and confusion; rare but serious, see a doctor immediately
  • Tardive dyskinesia — uncontrollable, repetitive body movements; rare but can be serious and sometimes irreversible, see a doctor immediately
  • Significant blood sugar changes and elevated prolactin levels — see a doctor immediately if symptoms occur

When to See a Doctor (Kab Doctor Se Milna Zaroori Hai)

  • Fever, muscle rigidity, or sudden confusion (possible NMS)
  • Uncontrollable, repetitive movements of the face or body (possible tardive dyskinesia)
  • Fainting, irregular heartbeat, or severe dizziness

Warnings and Precautions (Ihtiyat)

  • Don't use Risperdal if you are allergic to Risperidone or any ingredient
  • Not approved for dementia-related psychosis in elderly patients due to increased risk of stroke and death
  • Never stop this medicine abruptly without your doctor's guidance

Side Effects Summary Table

TypeSide EffectAction
CommonDrowsinessMonitor / inform doctor
CommonWeight gainMonitor / inform doctor
CommonDizzinessMonitor / inform doctor
SeriousNeuroleptic malignant syndrome (NMS)See a doctor immediately
SeriousTardive dyskinesiaSee a doctor immediately

Reporting Side Effects

If you notice any unexpected side effect, report it on the DRAP pharmacovigilance portal: https://www.dra.gov.pk/pharmacovigilance

The information in this guide is for educational purposes only. If you notice any side effect, contact your doctor or pharmacist.

Frequently Asked Questions

What are the most common side effects of Risperdal?

The most commonly reported side effects of Risperdal include drowsiness and weight gain. These are usually mild and may lessen over time. Inform your doctor if they persist.

Can Risperdal cause allergic reactions?

Yes, like all medicines, Risperdal can cause allergic reactions in some people. Signs include rash, itching, swelling, or difficulty breathing. Stop use and seek medical help immediately if this happens.

Is Risperdal safe to take for a long time?

Long-term safety depends on the condition and the patient. Your doctor will monitor for any signs of tardive dyskinesia and metabolic changes if continued use is needed.

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

For mild side effects, inform your pharmacist. For serious effects such as neuroleptic malignant syndrome, stop the medicine and contact your doctor immediately or go to the nearest hospital.

Does Risperdal affect blood sugar or weight?

Risperdal can be associated with weight gain and changes in blood sugar levels in some patients. Your doctor may monitor your weight and blood sugar periodically during treatment.

Brand alternatives, same-class options, and other medicines used for the same conditions as Risperdal Tablet.

Brand alternatives

Other Risperidone brands available in Pakistan.

All brands

Sources

  1. DRAP Registered Products Database Drug Regulatory Authority of Pakistan
  2. WHO Model List of Essential Medicines, 23rd ed. (2023) World Health Organization
  3. British National Formulary (BNF) BMJ Group & Pharmaceutical Press

Medical disclaimer

This page is for educational use only and does not replace professional medical advice. Always confirm diagnosis, dose, and interactions with a qualified doctor or pharmacist before starting or changing any medicine.