Description
What is Donresp-2?
Donresp-2 is an atypical antipsychotic medicine that helps manage certain mental health conditions by affecting chemical signals in the brain.
Its active ingredient, risperidone, works mainly on two brain chemicals called dopamine and serotonin. These chemicals help regulate thinking, emotions, mood, and behaviour.
By changing how these chemical signals work, Donresp-2 may help reduce symptoms of psychosis, control manic episodes, and manage certain severe behavioural symptoms.
Risperidone does not permanently cure schizophrenia or bipolar disorder. Instead, it helps control symptoms and supports long-term mental health treatment when prescribed appropriately.
Product Information
- Product Name: Donresp-2
- Generic Name: Risperidone USP
- Composition: Risperidone 2 mg per tablet
- Dosage Form: Oral tablet
- Medicine Category: Atypical antipsychotic
- Pack Size: 10 tablets (1 × 10)
- Manufacturer: Cell Laboratories (Pvt.) Ltd.
- Main Indications: Schizophrenia, bipolar I mania, and autism-related irritability
- Prescription Status: Prescription medicine
Uses & Benefits of Donresp-2
Donresp-2 may be prescribed for patients with psychiatric conditions that affect thinking, emotions, and behaviour.
1. Schizophrenia
Schizophrenia can make it difficult for someone to recognize what is real, organize their thoughts, or communicate clearly.
Donresp-2 may help manage symptoms including:
- Hearing voices that other people cannot hear
- Seeing or believing things that are not real
- Confused or disorganized thoughts
- Excessive suspiciousness
- Unusual or disturbed behaviour
- Difficulty concentrating because of psychotic symptoms
With suitable treatment and regular follow-up, some patients may experience improved symptom control and daily functioning.
2. Bipolar I Disorder
Bipolar I disorder involves episodes of major mood changes, including mania.
During a manic episode, a person may experience unusually high energy, irritability, increased activity, or a reduced need for sleep.
Risperidone may help control:
- Severe mood elevation
- Increased irritability
- Agitation
- Racing thoughts
- Excessive talking
- Impulsive behaviour
- Symptoms of acute manic or mixed episodes
Donresp-2 may be prescribed alone or with other medicines, such as lithium or valproate, when the psychiatrist considers combination treatment appropriate.
3. Irritability Associated With Autism
Risperidone may also be prescribed by specialists for severe irritability associated with autistic disorder in certain children and adolescents.
It may help reduce:
- Serious temper outbursts
- Aggressive behaviour
- Self-injurious behaviour
- Severe emotional irritability
- Rapid and intense changes in mood
Donresp-2 does not cure autism. Its purpose in these patients is to manage specific behavioural symptoms that may interfere with safety or everyday life.
These indications are described in the FDA prescribing information for risperidone.
Who Should Use This? (Target Audience)
Donresp-2 may be prescribed to adults and selected younger patients who require treatment for specific psychiatric conditions.
Adults With Schizophrenia
Adults experiencing hallucinations, delusions, disturbed thinking, or other schizophrenia symptoms may be prescribed risperidone after psychiatric assessment.
Adults With Bipolar I Disorder
Patients experiencing manic or mixed episodes may receive Donresp-2 as part of their treatment plan.
Adolescents With Schizophrenia
FDA labeling supports risperidone treatment for schizophrenia in adolescents aged 13–17 years. However, treatment usually begins with a lower dose than 2 mg.
Children and Adolescents With Bipolar Mania
Risperidone has an FDA-recognized indication for bipolar I manic or mixed episodes in patients aged 10–17 years. The dose must be selected and adjusted by a specialist.
Children With Autism-Related Irritability
Risperidone has an FDA-recognized indication for irritability associated with autistic disorder in patients aged 5–17 years.
Important: These age ranges describe FDA-approved indications for risperidone. They do not mean that a 2 mg tablet is the correct starting dose for every child or adolescent. The locally approved uses of Donresp-2 in Pakistan should be confirmed with the treating clinician.
How to Use / Dosage
Donresp-2 must be taken according to the psychiatrist’s prescription.
Each tablet contains 2 mg of risperidone. The required dose can differ depending on the diagnosis, age, symptoms, other medicines, and response to treatment.
General Adult Dosage Information
According to FDA prescribing guidance:
- Schizophrenia: The usual adult starting dose is 2 mg per day. The recommended target range is generally 4–8 mg daily, depending on response and tolerability.
- Bipolar I mania: The usual adult starting dose is 2–3 mg daily. The physician adjusts treatment according to symptoms and side effects.
- Adolescents with schizophrenia: Treatment generally starts at 0.5 mg daily before gradual adjustment.
- Children and adolescents with bipolar mania: Treatment commonly begins at 0.5 mg daily.
- Irritability associated with autism: Starting doses are usually 0.25 mg or 0.5 mg daily, depending on body weight.
These are general medical references, not instructions for patients to choose their own doses.
How to Take Donresp-2 Safely
- Take the tablet at the time prescribed by your doctor.
- Swallow it with water.
- It can generally be taken with or without food.
- Do not take more than the prescribed amount.
- Avoid drinking alcohol during treatment.
- Do not double a dose if you forget one.
- Do not change the treatment schedule without medical advice.
Patients with kidney or liver problems may require lower starting doses.
Donresp-2 should not be stopped suddenly without consulting the treating doctor, as symptoms may return or become harder to control.
How Does Donresp-2 Work?
Donresp-2 contains risperidone, which mainly blocks certain dopamine D2 and serotonin 5-HT2A receptors in the brain.
Dopamine and serotonin play important roles in thoughts, emotions, perception, and behaviour.
Risperidone’s effects on these brain signals can help reduce hallucinations, delusions, agitation, and certain severe mood or behavioural symptoms.
Some patients may notice changes in agitation or sleep earlier, while improvement in other symptoms can take several weeks.
The response varies from person to person, so regular psychiatric follow-up is important.
Price in Pakistan
Price in Pakistan: PKR 365.00
The listed price of Donresp-2 (Risperidone 2mg) is PKR 365.00 for a pack of 10 tablets.
Retail prices may vary depending on the pharmacy, city, stock availability, or future price changes.
Precautions & Side Effects
Important Precautions
Before taking Donresp-2, inform your doctor if you have:
- Diabetes or high blood sugar
- Heart problems
- Low blood pressure
- Kidney or liver disease
- Epilepsy or a history of seizures
- Parkinson’s disease
- Previous movement disorders
- High prolactin levels
- Difficulty swallowing
- Pregnancy or breastfeeding
- Allergies to risperidone or paliperidone
Patients should also tell their doctor about other prescription medicines, herbal products, and supplements.
Some medicines can change risperidone levels or increase unwanted effects. These include certain antidepressants, seizure medicines, and medicines that cause sleepiness.
Donresp-2 may affect alertness and coordination. Avoid driving or operating machinery until you understand how the medicine affects you.
Common Side Effects
Possible side effects of Donresp-2 include:
- Sleepiness
- Dizziness
- Headache
- Increased appetite
- Weight gain
- Restlessness
- Tremor
- Muscle stiffness
- Nausea
- Constipation
- Tiredness
- Increased saliva
Risperidone may also increase prolactin, a hormone that can affect menstrual periods, breast tissue, and sexual function.
Not every patient experiences these side effects, and their severity can vary.
Medicine Safety in Pakistan
Donresp-2 should be used under the care of a qualified psychiatrist or registered medical practitioner in Pakistan.
Patients and caregivers should report unexpected side effects to their treating healthcare professional.
The Drug Regulatory Authority of Pakistan (DRAP) operates the National Pharmacovigilance Centre to support the identification and monitoring of suspected medicine-related adverse reactions.
Patients, caregivers, pharmacists, and healthcare professionals can report suspected adverse events through official DRAP services.
Official Pakistan resources:
Frequently Asked Questions (FAQs)
What is the price of Donresp-2 in Pakistan?
The listed Donresp-2 price in Pakistan is PKR 365.00 for 10 tablets. Actual prices may vary between pharmacies and locations.
What are the uses of Donresp-2?
Donresp-2 contains risperidone 2 mg and is used to manage schizophrenia, acute manic or mixed episodes of bipolar I disorder, and severe irritability associated with autism in selected patients under specialist care.
Is Donresp-2 used for schizophrenia?
Yes. Donresp-2 contains risperidone, an atypical antipsychotic used for schizophrenia. It may help control hallucinations, delusions, disturbed thinking, and other psychotic symptoms.
Can children with autism take Donresp-2?
Risperidone may be prescribed for severe irritability associated with autism in eligible children. However, pediatric treatment usually begins with doses lower than 2 mg, so Donresp-2 should only be used when a specialist specifically prescribes this strength and dosing schedule.
Important Medical Notice
Donresp-2 is a prescription psychiatric medicine. It must only be used under the supervision of a qualified psychiatrist or registered medical practitioner.
This description provides educational information for patients and caregivers in Pakistan. FDA prescribing information applies to risperidone as the active ingredient and does not establish that every FDA indication is independently approved for the Donresp brand in Pakistan.
Always follow the locally approved product information and your doctor’s prescription. Do not start, stop, increase, or reduce treatment without medical advice.
