The risks of these drugs are provided so the public can make informed, educated decisions. Invega is a newer antipsychotic drug. The U.S. Food and Drug Administration issued a black box warning about antipsychotics increasing the risk of death in the elderly with dementia. It is also known as Paliperidone and Paliperidone ER.
To see the total figures from IQVia on the number of people taking antipsychotic drugs in the U.S., click here.
Please note: No one should attempt to get off of psychiatric drugs without a doctor’s supervision. To help find medical practitioners in your area, click here.
Invega Drug Warnings:
There have been 14 drug regulatory agency warnings from three countries (Canada, United Kingdom and United States) on Invega (or paliperidone). These include the following (note that some warnings cite more than one side effect, so the list below may not be equal to the total number of warnings):
3 warnings on Invega causing cardiovascular disorders
3 warnings on Invega causing muscle problems
3 warnings on Invega causing blood pressure changes or high or low blood pressure
3 warnings on Invega causing swelling
3 warnings on Invega causing gastrointestinal problems
2 warnings on Invega causing death or increased risk of death
2 warnings on Invega causing heart problems
2 warnings on Invega causing newborn complications (including infant withdrawal symptoms)
2 warnings on Invega causing nervous system disorders
2 warnings on Invega causing involuntary movements
2 warnings on Invega causing allergic reactions
2 warnings on Invega causing skin conditions
2 warnings on Invega causing reproductive system disorders
2 warnings on Invega causing seizures or convulsions
1 warning on Invega causing risk of fractures
1 warning on Invega causing blood disorders
1 warning on Invega causing weight gain
1 warning on Invega causing metabolic disorders
1 warning on Invega causing sleep problems
1 warning on Invega causing stroke
1 warning on Invega causing sedation
1 warning on Invega causing agitation
Invega Drug Studies:
There have been four studies done in three countries (Japan, United Kingdom and United States) on Invega (or paliperidone). These include the following (note that some studies cite more than one side effect, so the list below may not be equal to the total number of studies):
2 studies on Invega causing cardiovascular disorders
2 studies on Invega causing death or increased risk of death
1 study on Invega causing heart problems
1 study on Invega causing nervous system disorders
1 study on Invega causing involuntary movements
1 study on Invega causing muscle problems
Adverse Reaction Reports Filed with the US FDA: There have been 4,790 adverse reactions reported to the US FDA in connection with Invega (paliperidone).
The FDA estimates that less than 1% of all serious events are ever reported to it, so the actual number of side effects occurring are most certainly higher.
- 247 cases of weight increased
- 227 cases of the drug being ineffective
- 224 cases of galactorrhoea (excessive lactation)
- 187 cases of blood prolactin (type of hormone) increased
- 180 cases of psychotic disorder
- 134 cases of extrapyramidal disorder (movement syndromes)
- 125 cases of dizziness
- 125 cases of insomnia
- 121 cases of aggression
- 120 cases of akathisia (motor restlessness)
Documented Side Effects of Invega:
Source: Physicians Desk Reference, National Institutes of Health’s Medline Plus, and/or the drug label.
Confusion
Dizziness
Extreme tiredness
Fast, pounding, or irregular heartbeat
Muscle pain or stiffness
Nausea
Parkinsonism
Restlessness
Somnolence
Tremors
Unusual movements that you can’t control
Weight gain
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