Description
What is Donresp-1?
Donresp-1 is an atypical antipsychotic medicine manufactured by Cell Laboratories (Pvt.) Ltd. in Pakistan. Each tablet contains 1 mg of risperidone, which helps regulate certain chemical signals in the brain.
Risperidone mainly works by affecting dopamine and serotonin, two brain chemicals involved in thinking, mood, emotions, and behaviour.
By helping regulate these chemicals, Donresp-1 can reduce certain symptoms of schizophrenia, bipolar mania, and severe irritability associated with autism.
The medicine does not permanently cure these conditions. It helps manage symptoms as part of an appropriate treatment plan.
Product Information
- Product Name: Donresp-1
- Generic Name: Risperidone USP
- Composition: Risperidone 1 mg per tablet
- Product Type: Atypical antipsychotic
- Dosage Form: Oral tablet
- Pack Size: 10 tablets
- Manufacturer: Cell Laboratories (Pvt.) Ltd.
- Main Uses: Schizophrenia, bipolar I mania, and irritability associated with autism
- Prescription Status: Prescription medicine
Uses & Benefits of Donresp-1
Donresp-1 may be prescribed for certain mental health conditions where changes in brain chemical activity affect thoughts, mood, and behaviour.
1. Schizophrenia Treatment
Schizophrenia is a mental health condition that can affect how a person thinks, feels, and understands reality.
Donresp-1 may help reduce symptoms such as:
- Hearing voices or seeing things that are not present
- Believing things that are not true
- Confused or disorganized thinking
- Unusual suspiciousness
- Disturbed behaviour
- Difficulty managing everyday activities due to psychotic symptoms
Treatment may help patients manage symptoms and improve their ability to participate in daily life.
2. Bipolar I Disorder
Bipolar I disorder can cause episodes of unusually high or irritable mood, known as manic episodes.
Risperidone may help control symptoms such as:
- Unusually high energy
- Extreme irritability
- Racing thoughts
- Reduced need for sleep
- Excessive talking
- Impulsive or risky behaviour
- Agitation during manic or mixed episodes
Donresp-1 may be prescribed alone or alongside other medicines, such as lithium or valproate, when clinically appropriate.
3. Irritability Associated With Autism
Risperidone is also used to manage severe irritability associated with autistic disorder in selected children and adolescents.
It may help reduce:
- Severe aggression
- Frequent temper outbursts
- Self-injurious behaviour
- Intense irritability
- Rapid changes in mood
Donresp-1 does not cure autism or treat its core developmental features. Its role is to help manage specific behavioural symptoms when a specialist considers medication necessary.
These uses are consistent with the indications described in the FDA prescribing information for risperidone.
Who Should Use This?
Donresp-1 may be prescribed to adults and selected younger patients following assessment by a qualified psychiatrist or specialist.
The main patient groups include:
- Adults with schizophrenia: Patients experiencing hallucinations, delusions, or disturbed thinking.
- Adults with bipolar I disorder: Patients experiencing acute manic or mixed episodes.
- Adolescents with schizophrenia: FDA risperidone labeling includes patients aged 13–17 years.
- Children and adolescents with bipolar I mania: FDA labeling includes patients aged 10–17 years.
- Children with autism-related irritability: FDA labeling includes patients aged 5–17 years for specific behavioural symptoms.
These age ranges relate to FDA-approved uses of risperidone. The suitability and locally approved use of Donresp-1 in Pakistan should be confirmed by the treating doctor.
Children and adolescents require carefully selected doses and regular monitoring. Parents should never give risperidone without a prescription from an appropriately qualified clinician.
How to Use / Dosage
Donresp-1 should be taken exactly as prescribed by a doctor or psychiatrist.
Each tablet contains 1 mg of risperidone, but the required daily dose depends on the patient’s age, diagnosis, symptoms, medical history, and response to treatment.
General Dosage Information
According to FDA risperidone prescribing information:
- Adult schizophrenia: Treatment commonly starts at a total of 2 mg daily, with later adjustments based on response and tolerability.
- Adult bipolar mania: The recommended starting dose is generally 2–3 mg daily.
- Adolescent schizophrenia: Treatment usually begins at a lower dose, such as 0.5 mg daily, before gradual adjustment.
- Children and adolescents with bipolar mania: Treatment commonly begins at 0.5 mg daily.
- Autism-related irritability: Starting doses are based on body weight and may be 0.25 mg or 0.5 mg daily.
These are general prescribing references, not individual dosing instructions. A 1 mg tablet is not necessarily the correct starting dose for every patient.
How to Take Donresp-1 Safely
- Take the medicine at the time prescribed by the doctor.
- Swallow the tablet with water.
- It may generally be taken with or without food.
- Do not increase or reduce the dose yourself.
- Avoid alcohol during treatment.
- If a dose is missed, do not double the next dose.
- Do not stop treatment suddenly without medical advice.
The doctor may adjust Donresp-1 gradually to find a dose that controls symptoms while limiting side effects.
How Does Donresp-1 Work?
Donresp-1 contains risperidone, which acts on dopamine and serotonin receptors in the brain.
These chemicals help regulate emotions, thinking, perception, and behaviour.
Risperidone mainly blocks certain dopamine D2 and serotonin 5-HT2A receptors. This action helps reduce symptoms such as hallucinations, delusions, agitation, and some forms of severe irritability.
Some symptoms may improve earlier than others, while a fuller treatment response can take several weeks.
Price in Pakistan
Price in Pakistan: PKR 223.00
The provided price of Donresp-1 (Risperidone 1mg) is PKR 223.00 for a pack of 10 tablets.
The actual retail price may vary depending on the pharmacy, city, availability, or future price revisions.
Precautions & Side Effects
Important Precautions
Before taking Donresp-1, patients should inform their doctor about any existing medical conditions and medicines they are already using.
Extra care may be required in patients with:
- Diabetes or high blood sugar
- Heart disease
- Low blood pressure
- Epilepsy or seizure disorders
- Kidney or liver problems
- Parkinson’s disease
- A history of abnormal body movements
- High prolactin levels
- Pregnancy or breastfeeding
- Previous allergic reactions to risperidone or paliperidone
Donresp-1 may cause sleepiness or dizziness. Patients should avoid driving or using heavy machinery until they know how the medicine affects them.
Some medicines, including certain antidepressants and seizure treatments, can affect risperidone levels. Always tell the doctor about all prescription medicines, supplements, and herbal products being used.
Common Side Effects
Some patients taking Donresp-1 may experience:
- Sleepiness
- Dizziness
- Headache
- Increased appetite
- Weight gain
- Nausea
- Constipation
- Tiredness
- Restlessness
- Tremor
- Muscle stiffness
- Increased saliva
Not everyone experiences these effects, and their severity can vary.
Risperidone can also increase prolactin levels. This may cause menstrual changes, breast discomfort, unexpected milk production, or sexual difficulties.
Medicine Safety in Pakistan
Patients taking Donresp-1 in Pakistan should follow their psychiatrist’s instructions and obtain medicines from reliable pharmacies.
The Drug Regulatory Authority of Pakistan (DRAP) operates a national system for monitoring medicine safety.
Patients, caregivers, doctors, and pharmacists can report suspected medicine-related side effects through official DRAP reporting services.
Useful official resources:
Reporting suspected side effects helps improve medicine-safety monitoring in Pakistan.
Frequently Asked Questions (FAQs)
What is the price of Donresp-1 in Pakistan?
The listed price of Donresp-1 in Pakistan is PKR 223.00 for 10 tablets. Prices may vary between pharmacies and locations.
What are the uses of Donresp-1?
Donresp-1 contains risperidone and is used for schizophrenia, acute manic or mixed episodes of bipolar I disorder, and severe irritability associated with autism in selected patients under medical supervision.
Is Donresp-1 safe for children with autism?
Donresp-1 may be prescribed for specific symptoms of irritability associated with autism in eligible children. However, the correct dose depends on age, weight, and clinical assessment, so treatment must be supervised by a specialist.
Can Donresp-1 be used for bipolar disorder?
Yes. Donresp-1 contains risperidone, which may help control acute manic or mixed episodes of bipolar I disorder. The dose and treatment duration must be determined by the prescribing psychiatrist.
Important Medical Notice
Donresp-1 is a prescription-only psychiatric medicine. It should be used under the supervision of a qualified psychiatrist or registered medical practitioner.
This description is intended for educational purposes for patients and caregivers in Pakistan. The FDA information relates to risperidone as an active ingredient and does not establish that every FDA indication is independently approved for the Donresp brand in Pakistan.
Do not start, stop, or change the dose of this medicine without medical advice.
