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Antipsychotics Side Effects

Common Antipsychotics Side Effects


The most commonly reported Antipsychotics side effects (click to view or check a box to report):

Hallucination, Auditory (4)
Quality Of Life Decreased (3)
White Blood Cell Count Increased (3)
Psychotic Disorder (3)
Neutrophil Count Increased (3)
Malaise (3)
Neutropenia (3)
Extrapyramidal Disorder (2)
Abnormal Behaviour (2)
Fall (2)
Hypotension (2)
Toxicity To Various Agents (2)
Osteonecrosis Of Jaw (1)
Oedema Peripheral (1)
Overdose (1)
Off Label Use (1)
Pain In Extremity (1)
Pancytopenia (1)
Pancreatitis (1)
Oxygen Saturation Decreased (1)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

Antipsychotics Side Effects Reported to FDA

The following Antipsychotics reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.


The appearance of Antipsychotics on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.
Fall, Haemorrhage Intracranial
This is a report of a 54-year-old female patient (weight: NA) from UNITED STATES, suffering from the following symptoms/conditions: schizoaffective disorder, who was treated with Antipsychotics (dosage: NA, start time: Jun 11, 2007), combined with:
  • Clozapine
  • Clozapine
and developed a serious reaction and side effect(s). The consumer presented with:
  • Fall
  • Haemorrhage Intracranial
which developed after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Antipsychotics treatment in female patients, resulting in fall side effect. The patient was hospitalized.

Osteonecrosis Of Jaw, Toothache
This report suggests a potential Antipsychotics Osteonecrosis Of Jaw, Toothache side effect(s) that can have serious consequences. A 70-year-old female patient (weight: NA) from GREECE was diagnosed with the following symptoms/conditions: NA and used Antipsychotics (dosage: NA) starting Apr 01, 2012. Soon after starting Antipsychotics the patient began experiencing various side effects, including:
  • Osteonecrosis Of Jaw
  • Toothache
Drugs used concurrently:
  • Prolia (60 Mg, Q6mo)
Although Antipsychotics demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as osteonecrosis of jaw, may still occur.

Psychotic Disorder
This Psychotic Disorder problem was reported by a health professional from UNITED KINGDOM. A 59-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Antipsychotics (dosage: Received Depot). The following drugs were being taken at the same time:
  • Ethambutol Hydrochloride
  • Isoniazid
  • Rifampicin
  • Tricyclic Antidepressants
  • Pyrazinamide
When commencing Antipsychotics, the patient experienced the following unwanted symptoms/side effects:
  • Psychotic Disorder
Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as psychotic disorder, may become evident only after a product is in use by the general population.

Dysphoria, Aggression, Hallucination, Auditory, Disinhibition, Psychotic Disorder, Persecutory Delusion, Treatment Noncompliance
This is a report of a 42-year-old male patient (weight: NA) from NETHERLANDS. The patient developed the following symptoms/conditions: psychotic disorder and was treated with Antipsychotics (dosage: NA) starting NS. Concurrently used drugs:
  • Cannabis
  • Methylphenidate Hcl
  • Methylphenidate Hcl
  • Cocaine
  • Methylphenidate Hcl
Soon after that, the consumer experienced the following side effects:
  • Dysphoria
  • Aggression
  • Hallucination, Auditory
  • Disinhibition
  • Psychotic Disorder
  • Persecutory Delusion
  • Treatment Noncompliance
The patient was hospitalized. This opens a possibility that Antipsychotics treatment could cause the above reactions, including dysphoria, and some male subjects may be more susceptible.


White Blood Cell Count Decreased, Acute Psychosis, Somatic Hallucination, Neutrophil Count Decreased, Psychotic Disorder, Hallucination, Auditory, Blood Disorder, Influenza Like Illness, Euphoric Mood
A 51-year-old male patient (weight: NA) from UNITED KINGDOM with the following symptoms/conditions: NA started Antipsychotics treatment (dosage: NA) on Jul 01, 2006. Soon after starting Antipsychotics treatment, the subject experienced various side effects, including:
  • White Blood Cell Count Decreased
  • Acute Psychosis
  • Somatic Hallucination
  • Neutrophil Count Decreased
  • Psychotic Disorder
  • Hallucination, Auditory
  • Blood Disorder
  • Influenza Like Illness
  • Euphoric Mood
Concurrently used drugs:
  • Clozapine (225 Mg, Daily)
  • Aripiprazole
  • Amisulpride
  • Clozapine
This finding indicates that some male patients could be more vulnerable to Antipsychotics.

Intentional Overdose
A female patient from UNITED STATES (weight: NA) experienced symptoms, such as: NA and was treated with Antipsychotics(dosage: NA). The treatment was initiated on May 07, 2007. After that a consumer reported the following side effect(s):
  • Intentional Overdose
Concurrently used drugs, which potentially could have contributed to side effect(s) or affected Antipsychotics efficacy:
  • Tylenol Pm (Daily Dose Text: ^7 -8 Bottles^)
  • Benadryl
  • Benadryl (Daily Dose Text: 2 Bottles)
The patient was hospitalized.

Hepatitis C, Abdominal Pain Upper, Pancreatitis, Diabetes Mellitus
In this report, Antipsychotics was administered for the following condition: NA.A male consumer from UNITED STATES (weight: NA) started Antipsychotics treatment (dosage: NA) on Jan 01, 1998.Sometime after starting the treatment, the patient complained of the following side effect(s):
  • Hepatitis C
  • Abdominal Pain Upper
  • Pancreatitis
  • Diabetes Mellitus
A possible interaction with other drugs could have contributed to this reaction:
  • Clozaril
  • Zyprexa (20 Mg, Unk)
  • Seroquel
Establishing a causal relationship between a specific drug and consumer's side effects is complex, but it is possible that in this report Antipsychotics treatment could be related to the listed above side effect(s).

Skin Discolouration, Pain In Extremity, Thrombophlebitis Superficial, Oedema Peripheral
This is a report of the following Antipsychotics side effect(s):
  • Skin Discolouration
  • Pain In Extremity
  • Thrombophlebitis Superficial
  • Oedema Peripheral
A 31-year-old female patient from UNITED STATES (weight: NA) presented with the following condition: NA and received a treatment with Antipsychotics (dosage: NA) starting: NS.The following concurrently used drugs could have generated interactions:
  • Zoloft
  • Yaz
This report suggests that a Antipsychotics treatment could be associated with the listed above side effect(s).

Gastrointestinal Haemorrhage
This Antipsychotics report was submitted by a 59-year-old male consumer from UNITED STATES (weight: NA). The patient was diagnosed with: NA and Antipsychotics was administered (dosage: NA) starting: Jan 01, 2011. The consumer developed a set of symptoms:
  • Gastrointestinal Haemorrhage
Other drugs used simultaneously:
  • Nuedexta (1 Cap, Qd)
  • Nuedexta (1 Cap, Qd)
  • Depakote
  • Ativan
  • Seroquel
The patient was hospitalized.Those unexpected symptoms could be linked to a Antipsychotics treatment, however establishing a potential drug-safety problem requires a more detailed clinical analysis.

White Blood Cell Count Increased, Quality Of Life Decreased, Neutrophil Count Increased, Malaise, Neutropenia
This is a report of a possible correlation between Antipsychotics use and the following symptoms/side effect(s):
  • White Blood Cell Count Increased
  • Quality Of Life Decreased
  • Neutrophil Count Increased
  • Malaise
  • Neutropenia
which could contribute to an assessment of Antipsychotics risk profile.A 26-year-old male consumer from UNITED KINGDOM (weight: NA) was suffering from NA and was treated with Antipsychotics (dosage: NA) starting Mar 30, 2011.Other concurrent medications:
  • Clozapine (300 Mg, Qd)
  • Neupogen


Neutropenia, White Blood Cell Count Increased, Malaise, Quality Of Life Decreased, Neutrophil Count Increased
A 26-year-old male patient from UNITED KINGDOM (weight: NA) presented with the following symptoms: NA and after a treatment with Antipsychotics (dosage: NA) experienced the following side effect(s):
  • Neutropenia
  • White Blood Cell Count Increased
  • Malaise
  • Quality Of Life Decreased
  • Neutrophil Count Increased
The treatment was started on Mar 30, 2011. Antipsychotics was used in combination with the following drugs:
  • Neupogen
  • Clozapine (Unk)
This report could alert potential Antipsychotics consumers.

Coma, Hypotension, Toxicity To Various Agents, Oxygen Saturation Decreased
In this report, a 57-year-old female patient from UNITED STATES (weight: NA) was affected by a possible Antipsychotics side effect.The patient was diagnosed with NA. After a treatment with Antipsychotics (dosage: NA, start date: NS), the patient experienced the following side effect(s):
  • Coma
  • Hypotension
  • Toxicity To Various Agents
  • Oxygen Saturation Decreased
The following simultaneously used drugs could have led to this reaction:
  • Anticonvulsant
  • Anti-anxiety
  • Carbamazepine
The findings here stress that side effects should be taken into consideration when evaluating a Antipsychotics treatment.

Quality Of Life Decreased, Malaise, Neutrophil Count Increased, Neutropenia, White Blood Cell Count Increased
This is a report of a 26-year-old male patient from UNITED KINGDOM (weight: NA), who used Antipsychotics (dosage: NA) for a treatment of NA. After starting a treatment on Mar 30, 2011, the patient experienced the following side effect(s):
  • Quality Of Life Decreased
  • Malaise
  • Neutrophil Count Increased
  • Neutropenia
  • White Blood Cell Count Increased
The following drugs could possibly have interacted with the Antipsychotics treatment
  • Clozaril (Unk)
  • Neupogen
Taken together, these observations suggest that a Antipsychotics treatment could be related to side effect(s), such as Quality Of Life Decreased, Malaise, Neutrophil Count Increased, Neutropenia, White Blood Cell Count Increased.

Fall, Off Label Use, Cerebrovascular Accident
This fall side effect was reported by a consumer or non-health professional from CANADA. A 81-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Antipsychotics (dosage: NA), which was started on NS. Concurrently used drugs:
  • Olanzapine
When starting to take Antipsychotics the consumer reported the following symptoms:
  • Fall
  • Off Label Use
  • Cerebrovascular Accident
These side effects may potentially be related to Antipsychotics.

Overdose, Respiratory Arrest, Convulsion
This is a Antipsychotics side effect report of a 50-year-old male patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: NA, who was treated with Antipsychotics (dosage:NA, start time: NS), combined with:
  • Ultram (Took 5 At Once)
, and developed a serious reaction and a overdose side effect. The patient presented with:
  • Overdose
  • Respiratory Arrest
  • Convulsion
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Antipsychotics treatment in male patients suffering from NA, resulting in overdose.

Hallucination, Auditory, Extrapyramidal Disorder, Abnormal Behaviour
This report suggests a potential Antipsychotics hallucination, auditory side effect(s) that can have serious consequences. A 28-year-old male patient from UNITED KINGDOM (weight:NA) was diagnosed with the following health condition(s): psychotic disorder and used Antipsychotics (dosage: NA) starting NS. Soon after starting Antipsychotics the patient began experiencing various side effects, including:
  • Hallucination, Auditory
  • Extrapyramidal Disorder
  • Abnormal Behaviour
Drugs used concurrently:
  • Amisulpride
  • Tacrolimus
  • Clozapine
  • Mycophenolate Mofetil
Although Antipsychotics demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as hallucination, auditory, may still occur.

Completed Suicide
This completed suicide problem was reported by a physician from UNITED STATES. A 50-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On NS a consumer started treatment with Antipsychotics (dosage: NA). The following drugs/medications were being taken at the same time:
  • Hydrocodone/acetaminophen
  • Warfarin
  • Methamphetamine
  • Alprazolam
When commencing Antipsychotics, the patient experienced the following unwanted symptoms /side effects:
  • Completed Suicide
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as completed suicide, may become evident only after a product is in use by the general population.

Hypotension, Shock, Vasoplegia Syndrome, Coma Scale Abnormal, Toxicity To Various Agents
This is a Antipsychotics side effect report of a 44-year-old male patient (weight: NA) from FRANCE. The patient developed the following symptoms/conditions: NA and was treated with Antipsychotics (dosage: NA) starting Jan 31, 2011. Concurrently used drugs:
  • Amlor (20 Tabs In Single Intake)
  • Rasilez (1 Packet Of 20 Tabs In Single Intake)
  • Benzodiazepines
Soon after that, the consumer experienced the following of symptoms:
  • Hypotension
  • Shock
  • Vasoplegia Syndrome
  • Coma Scale Abnormal
  • Toxicity To Various Agents
The patient was hospitalized. This opens a possibility that Antipsychotics could cause hypotension and that some male patients may be more susceptible.

Extrapyramidal Disorder, No Therapeutic Response, Abnormal Behaviour, Hallucination, Auditory
A 28-year-old male patient (weight: NA) from UNITED KINGDOM with the following symptoms: NA started Antipsychotics (antipsychotics) treatment (dosage: NA) on NS. Soon after starting Antipsychotics (antipsychotics) treatment, the consumer experienced several side effects, including:
  • Extrapyramidal Disorder
  • No Therapeutic Response
  • Abnormal Behaviour
  • Hallucination, Auditory
. Concurrently used drugs:
  • Amisulpride (amisulpride)
  • Clozapine
  • Mycophenolate Mofetil
  • Tacrolimus
This finding indicates that some patients can be more vulnerable to developing Antipsychotics (antipsychotics) side effects, such as extrapyramidal disorder.

Pancytopenia
This pancytopenia side effect was reported by a pharmacist from JAPAN. A 38-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Antipsychotics (dosage: Unk), which was started on NS. Concurrently used drugs:
  • Depromel (Unk)
  • Seroquel (Unk)
  • Myslee (Unk)
.When starting to take Antipsychotics the consumer reported symptoms, such as:
  • Pancytopenia
These side effects may potentially be related to Antipsychotics. The patient was hospitalized.



Keep Track of Side Effects

Note Your Observations

It is really important to keep of your symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


    Discuss Antipsychotics Side Effects

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    Antipsychotics Safety Alerts, Active Ingredients, Usage Information

    More About Antipsychotics

    Side Effects reported to FDA: 20

    Antipsychotics safety alerts: 2008

    Reported deaths: 4

    Reported hospitalizations: 8

    Antipsychotics, Conventional and Atypical

    Audience: Neuropsychiatric and geriatrics healthcare professionals

    [Posted 06/16/2008] FDA notified healthcare professionals that both conventional and atypical antipsychotics are associated with an increased risk of mortality in elderly patients treated for dementia-related psychosis. In April 2005, FDA notified healthcare professionals that patients with dementia-related psychosis treated with atypical antipsychotic drugs are at an increased risk of death. Since issuing that notification, FDA has reviewed additional information that indicates the risk is also associated with conventional antipsychotics. Antipsychotics are not indicated for the treatment of dementia-related psychosis. The prescribing information for all antipsychotic drugs will now include the same information about this risk in a BOXED WARNING and the WARNINGS section.

    [June 16, 2008 - Information for Healthcare Professionals - FDA]
    [June 16, 2008 - News Release - FDA]

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