Invega Sustenna (Paliperidone Palmitate)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Invega Sustenna Used For?
Invega Sustenna is a medication that helps manage symptoms of schizophrenia, a mental illness characterized by disturbances in thought, feelings, and behavior.
Primary Uses
It is primarily used to treat schizophrenia in adults, helping to alleviate symptoms such as hallucinations, delusions, and paranoia.
How It Works
Invega Sustenna works by correcting chemical imbalances in the brain associated with schizophrenia.
Good to know: Invega Sustenna is not considered addictive.
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How to Take Invega Sustenna
Invega Sustenna is administered through an injection by a healthcare professional, ensuring proper dosage and monitoring.
Dosage Instructions
The initial dose is typically 150 mg, followed by a second dose of 100 mg one week later. The usual monthly maintenance dose is 75 mg, but it can range from 25 mg to 150 mg based on individual needs and kidney function.
What If You Miss a Dose?
If you miss an appointment for your injection, contact your doctor as soon as possible for guidance on what to do next.
Important: Never double the dose if you miss an injection; always consult your doctor.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- Difficulty falling or staying asleep
- Headache
- Drowsiness
- Tiredness
- Injection site pain
Seek immediate medical attention if you experience:
- Severe allergic reactions
- Heart or blood pressure issues
- High blood sugar or diabetes
- Severe skin reactions
- Symptoms of mini-strokes
- Tardive dyskinesia
- Neuroleptic malignant syndrome
Impulse Control Issues
Invega Sustenna may lead to impulse control problems, including issues with gambling or spending.
Important Warnings
It's crucial to understand the potential risks and contraindications associated with Invega Sustenna.
Who Should Not Take Invega Sustenna
Do not use Invega Sustenna if you are allergic to paliperidone, risperidone, or any of its ingredients.
Medical Conditions to Discuss
Discuss any history of neuroleptic malignant syndrome, tardive dyskinesia, heart problems, kidney or liver issues, diabetes, or a history of blood clots with your doctor.
Pregnancy and Breastfeeding
Consult your doctor if you are pregnant or breastfeeding, as Invega Sustenna may pose risks to newborns.
Elderly Patients With Dementia: Elderly patients with dementia may have an increased risk of stroke or death when treated with antipsychotic medications.
Drug Interactions
Certain medications can interact with Invega Sustenna, affecting its efficacy.
Grapefruit interaction: Avoid grapefruit as it may affect how Invega Sustenna works.
- Sleeping tablets
- Tranquillisers
- Painkillers
- Antihistamines
- Epilepsy medications
- Parkinson's disease medications
- High blood pressure medications
- Heart rhythm medications
- Depression and anxiety medications
- Psychostimulants
- Nausea or vomiting medications
Alcohol & Driving
Be cautious with alcohol consumption and operating vehicles while on Invega Sustenna.
Alcohol
Avoid alcohol as it can enhance the effects of Invega Sustenna.
Driving and Operating Machinery
Assess how Invega Sustenna affects you before driving or using machinery, as it may cause dizziness or drowsiness.
Temperature Regulation
Monitor your body temperature, as Invega Sustenna may affect your ability to regulate it.
Storage
Invega Sustenna should be stored by your healthcare provider. If you must store it at home, keep it in a cool, dry place away from light, below 25°C, and do not use it past the expiration date.
Overdose Information
In the rare event of an overdose, symptoms may include drowsiness, low blood pressure, and abnormal heart rhythms. Seek immediate medical attention if you suspect an overdose.
Frequently Asked Questions
It may take some time for symptoms to improve after starting Invega Sustenna.
There are no specific dietary restrictions mentioned for Invega Sustenna.
Invega Sustenna is not considered addictive.
Consult your doctor before stopping Invega Sustenna to avoid withdrawal symptoms.
It is advised to avoid alcohol while using Invega Sustenna.
There is a possibility of weight gain when taking Invega Sustenna, so monitoring your weight is important.
Elderly patients with dementia may have an increased risk of stroke or death when treated with antipsychotic medications.
Contact your doctor as soon as possible if you miss an appointment for your injection.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.