Invega (Paliperidone)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Invega Used For?
Invega is a medication that contains paliperidone, which is used to help manage symptoms associated with schizophrenia and other related psychotic disorders.
Primary Uses
Invega is primarily used to treat adults experiencing symptoms of schizophrenia, which includes disturbances in thinking, feelings, and behavior.
How It Works
Invega works by correcting a chemical imbalance in the brain that is associated with mental health conditions.
Good to know: Invega is not considered addictive.
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How to Take Invega
Taking Invega should be done as prescribed by your doctor, typically once daily in the morning.
Dosage Instructions
The usual dosage of Invega ranges from 3 mg to 12 mg once daily. Your doctor will determine the appropriate dose based on your condition and kidney function.
What If You Miss a Dose?
If you miss a dose, take it as soon as you remember. If it's almost time for your next dose, skip the missed dose and resume your regular schedule. Do not take a double dose.
Important: Never double your dose to make up for a missed one.
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
- nausea
- dizziness
- dry mouth
- weight gain
Seek immediate medical attention if you experience:
- serious allergic reactions
- heart or blood pressure problems
- high blood sugar or diabetes
- severe rash with blisters
- sudden weakness or numbness
- involuntary movements (tardive dyskinesia)
- neuroleptic malignant syndrome symptoms
Impulse Control Issues
Invega may cause impulse control problems, including issues related to gambling or spending.
Important Warnings
There are several important considerations to keep in mind when using Invega.
Who Should Not Take Invega
Do not take Invega if you have a known allergy to paliperidone, risperidone, or any of the ingredients in the medication.
Medical Conditions to Discuss
Discuss with your doctor if you have conditions such as Neuroleptic Malignant Syndrome, tardive dyskinesia, heart problems, kidney or liver issues, diabetes, or a history of blood clots.
Pregnancy and Breastfeeding
Consult your doctor if you are pregnant or planning to become pregnant. Invega may pose risks to newborns if taken during the last trimester. It is also advised not to breastfeed while using Invega.
Elderly Patients With Dementia: Elderly patients with dementia may have an increased risk of stroke or death when taking Invega.
Drug Interactions
Invega may interact with other medications, which can affect how it works.
Grapefruit interaction: Grapefruit may interact with Invega, consult your doctor for advice.
- sleeping tablets
- tranquillisers
- painkillers
- antihistamines
- epilepsy medications
- depression or anxiety medications
- psychostimulants
- medications for irregular heart rhythms
- high blood pressure medications
- nausea or vomiting medications
- malaria treatments
Alcohol & Driving
Caution is advised when consuming alcohol or driving while taking Invega.
Alcohol
Avoid alcohol while taking Invega as it can enhance the medication's effects.
Driving and Operating Machinery
Be careful when driving or using machinery until you know how Invega affects your alertness.
Temperature Regulation
Invega may affect your body's ability to regulate temperature, especially in hot weather.
Storage
Store Invega tablets in a dry place below 25°C, away from moisture and sunlight. Keep out of reach of children.
Overdose Information
If you suspect an overdose, seek immediate medical attention. Symptoms may include drowsiness, dizziness, and increased heart rate.
Frequently Asked Questions
Invega may take several weeks to show its full effects.
You should take Invega consistently either on an empty stomach or with food, but do not switch between the two.
No, Invega is not considered addictive.
Do not stop taking Invega suddenly without consulting your doctor, as it may lead to withdrawal symptoms.
It is advised to avoid alcohol while taking Invega.
Invega may lead to weight gain; your doctor may monitor your weight during treatment.
Elderly patients, especially those with dementia, should use Invega with caution due to increased risks.
If you miss a dose, take it as soon as you remember, but skip it if it's almost time for your next dose.
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.