paliperidone (Intramuscular route)Pronunciation
Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death; paliperidone palmitate is not approved for use in patients with dementia-related psychosis .
Commonly used brand name(s)
In the U.S.
- Invega Sustenna
Available Dosage Forms:
- Suspension, Extended Release
Therapeutic Class: Antipsychotic
Chemical Class: Benzisoxazole
Uses For paliperidone
Paliperidone injection is used to treat the symptoms of schizophrenia. paliperidone is also used alone or in combination with other medicines to treat schizoaffective disorder. paliperidone should not be used to treat behavioral problems in elderly patients who have dementia.
paliperidone is to be given only by or under the direct supervision of your doctor.
Before Using paliperidone
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For paliperidone, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to paliperidone or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of paliperidone injection in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of paliperidone injection in the elderly. However, elderly patients are more likely to have age-related kidney problems, which may require caution and an adjustment in the dose for patients receiving paliperidone injection.
|All Trimesters||C||Animal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.|
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving paliperidone, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using paliperidone with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
Using paliperidone with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Arsenic Trioxide
- Perflutren Lipid Microsphere
- Sodium Phosphate
- Sodium Phosphate, Dibasic
- Sodium Phosphate, Monobasic
Using paliperidone with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of paliperidone. Make sure you tell your doctor if you have any other medical problems, especially:
- Alzheimer's disease or dementia or
- Dehydration or
- Heart attack, recent or history of or
- Heart failure or
- Heart or blood vessel disease or
- Heart rhythm problems (eg, arrhythmia, QT prolongation), or a history of or
- Hypotension (low blood pressure) or
- Hypovolemia (low amount of blood) or
- Parkinson's disease or
- Stroke, history of or
- Trouble with swallowing—May cause side effects to become worse.
- Blood or bone marrow problems (eg, leukopenia, neutropenia) or
- Diabetes or
- Hyperglycemia (high blood sugar) or
- Hyperprolactinemia (high prolactin in the blood) or
- Neuroleptic malignant syndrome (NMS), history of or
- Priapism (painful or prolonged erection of the penis) or
- Seizures, history of or
- Stomach or bowel problems (eg, slow or blocked bowels)—Use with caution. May make these conditions worse.
- Kidney disease—Use with caution. The effects may be increased because of slower removal of the medicine from the body.
Proper Use of paliperidone
A nurse or other trained health professional will give you paliperidone. paliperidone is given as a shot into one of your muscles.
paliperidone should come with a patient information leaflet. Read and follow these instructions carefully. Ask your doctor if you have any questions.
paliperidone needs to be given on a fixed schedule. If you miss a dose or forget to use your medicine, call your doctor or pharmacist for instructions.
Precautions While Using paliperidone
It is very important that your doctor check your progress at regular visits to make sure that paliperidone is working properly. Blood tests may be needed to check for any unwanted effects.
Check with your doctor right away if you have any of the following symptoms while using paliperidone: convulsions (seizures), difficulty with breathing, a fast heartbeat, a high fever, high or low blood pressure, increased sweating, loss of bladder control, severe muscle stiffness, unusually pale skin, or tiredness. These could be symptoms of a serious condition called neuroleptic malignant syndrome (NMS).
paliperidone may cause tardive dyskinesia (a movement disorder). Check with your doctor right away if you have any of the following symptoms while using paliperidone: lip smacking or puckering, puffing of the cheeks, rapid or worm-like movements of the tongue, uncontrolled chewing movements, or uncontrolled movements of the arms and legs.
paliperidone can cause changes in the heart rhythm, such as a condition called QT prolongation. It may change the way your heart beats and cause fainting or serious side effects. Contact your doctor right away if you have any symptoms of heart rhythm problems, such as fast, pounding, or irregular heartbeats.
For diabetic patients: paliperidone may affect your blood sugar levels. Check with your doctor right away if you have increased thirst or increased urination. If you notice a change in the results of your urine or blood sugar tests, or if you have any questions, check with your doctor.
Dizziness, lightheadedness, or fainting may occur, especially when you get up from a lying or sitting position suddenly. Getting up slowly may help. If this problem continues or gets worse, check with your doctor.
Paliperidone injection can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. If you can, avoid people with infections. Check with your doctor right away if you think you are getting an infection, or if you have a fever or chills, cough or hoarseness, lower back or side pain, or painful or difficult urination.
paliperidone may cause dizziness, drowsiness, trouble with thinking, or trouble with controlling body movements. Make sure you know how you react to paliperidone before you drive, use machines, or do anything else that requires you to be alert, well-coordinated, or able to think well.
Paliperidone injection may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away.
paliperidone might reduce how much you sweat. Your body could get too hot if you do not sweat enough. If your body gets too hot, you might feel dizzy, weak, tired, or confused. You might vomit or have an upset stomach. Do not get too hot while you are exercising. Avoid places that are very hot. Call your doctor if you are too hot and cannot cool down.
paliperidone may increase your weight. Your doctor may need to check your weight on a regular basis while you are using paliperidone. Talk to your doctor about ways to prevent weight gain.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
paliperidone Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor or nurse immediately if any of the following side effects occur:More common
- bladder pain
- bloody or cloudy urine
- body aches or pain
- difficult, burning, or painful urination
- difficulty with breathing
- difficulty with swallowing
- dry mouth
- ear congestion
- frequent urge to urinate
- inability to sit still
- irregular heartbeats
- loss of balance control
- loss of voice
- lower back or side pain
- mask-like face
- nasal congestion
- need to keep moving
- runny nose
- shuffling walk
- slowed movements
- slurred speech
- sore throat
- stiffness of the arms and legs
- tic-like (jerky) movements of the head, face, mouth, and neck
- trembling and shaking of the fingers and hands
- trouble with sleeping
- twitching, twisting, uncontrolled repetitive movements of the tongue, lips, face, arms, or legs
- unusual tiredness or weakness
- Blurred vision
- difficulty with speaking
- inability to move the eyes
- increase in body movements
- increased blinking or spasms of the eyelid
- loss of balance control
- muscle trembling, jerking, or stiffness
- pounding in the ears
- slow or fast heartbeat
- sticking out of the tongue
- stiffness of the limbs
- trouble with breathing, speaking, or swallowing
- twisting movements of the body
- uncontrolled movements, especially of the face, neck, and back
- uncontrolled twisting movements of the neck, trunk, arms, or legs
- unusual facial expressions
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
- Bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
- Back pain
- difficulty with moving
- dry mouth
- increased weight
- joint pain
- lack or loss of strength
- muscle aching or cramping
- muscle pains or stiffness
- pain in the arms or legs
- swollen joints
- tearing of the skin
- upper abdominal or stomach pain
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
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