All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Invega:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision or other vision changes; chest pain; confusion; dark urine; decreased sexual ability; decreased urination; dehydration; difficulty speaking or swallowing; drooling; enlarged breasts; excessive or unusual sweating; fainting; fast or irregular heartbeat; fever, chills, or persistent sore throat; hallucinations; mental or mood changes (eg, abnormal thinking, agitation, anxiety, depression); missed menstrual period or other menstrual changes; nipple discharge; prolonged, painful erection; rigid or stiff muscles; seizures; severe or persistent dizziness, headache, or vomiting; shuffling walk; uncontrolled muscle movements (eg, of the arms, legs, tongue, jaw, cheeks; tremors; twitching); yellowing of the skin or eyes.
Seek medical attention right away if any of these SEVERE side effects occur when using Invega:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); abnormal thoughts; behavior changes; chest pain; confusion; decreased sexual ability; decreased urination; enlarged breasts; fainting; fast, slow, or irregular heartbeat; fever, chills, or persistent sore throat; increased saliva production or drooling; increased sweating; loss of consciousness; mental or mood changes; missed menstrual period; muscle cramps, pain, weakness, or stiffness; nipple discharge; one-sided weakness; prolonged, painful erection; seizures; severe or prolonged dizziness or headache; shortness of breath; slurred speech; suicidal thoughts or attempts; swelling of the hands, ankles, and feet; symptoms of high blood sugar (eg, increased thirst, hunger, or urination; unusual weakness); tremor; trouble concentrating, speaking, or swallowing; trouble urinating or inability to control urination; trouble sitting still; trouble walking or standing; uncontrolled muscle movements (eg, arm or leg movements, twitching of the face or tongue, jerking or twisting); unusual eye movements; vision problems.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
Individuals often respond to medications differently, and ratings can therefore be quite varied. Our objective is to provide a general rating for drugs used and prescribed from a large pool of participants, thus giving other future patients and mental health professionals insight into a drug's potential effectiveness. Your participation is greatly valued and appreciated. Thank you.
The symptoms of schizophrenia usually develop slowly over several months, or even years. Sometimes, a person might experience a lot of the symptoms, while at other times, they might only experience a few of them.
People who suffer from any kind of schizophrenia might have trouble working, going to school and keeping friends. Other problems might include suicidal behaviors and thoughts, anxiety and depression.
At the beginning of their illness, a person with schizophrenia might experience:
Learn more about Schizophrenia Diagnosis
This simple questionnaire is designed to help you determine if you have symptoms of disorder and could benefit from professional help.
The most effective medications for schizophrenia to date are antipsychotic medications, which can change the brain's chemical balance and help control most symptoms of schizophrenia.
Although these medications are very useful, they can cause unwanted side effects. Most of the side effects can be treated or the patient may be switched to an alternative medication.
Possible side effects of antipsychotics include:
Track your schizophrenia symptoms to identify patterns and help with your treatment plan. Our progress tracker can be printed or even shared with your healthcare professional electronically.
Progress tracking for schizophrenia
This simple questionnaire is designed to help you determine if you have symptoms of disorder and could benefit from professional help.