
Abilify (aripiprazole) is an antipsychotic medication used to treat several mental health conditions, including schizophrenia, bipolar I disorder, autism spectrum disorder, and Tourette syndrome. While Abilify can be an effective treatment for these conditions, it is important to be aware of its potential side effects, which can vary from person to person. One of the reported side effects of Abilify is muscle weakness, along with muscle stiffness, spasms, and twitching. These side effects may be indicators of extrapyramidal symptoms (EPS) or tardive dyskinesia, which are known side effects of antipsychotic medications. While muscle weakness may occur, it is important to consult a doctor or healthcare provider to properly understand the risks and benefits of taking Abilify and to determine if Abilify is causing your muscle weakness.
| Characteristics | Values |
|---|---|
| Muscle Weakness | Uncommon (0.1% to 1%) |
| Muscle Spasms | Common (1% to 10%) |
| Muscle Stiffness | Rare (0.01% to 0.1%) |
| Muscle Twitching | Common (1% to 10%) |
| Muscle Rigidity | Common (1% to 10%) |
| Neuroleptic Malignant Syndrome (NMS) | Rare, life-threatening side effect |
| Extrapyramidal Symptoms (EPS) | Less likely than other antipsychotics |
| Tardive Dyskinesia (TD) | --- |
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What You'll Learn

Muscle spasms and twitching
Abilify (aripiprazole) is an antipsychotic medication that helps treat several mental health conditions, including schizophrenia, bipolar I disorder, autism spectrum disorder, and Tourette syndrome. It works by balancing the levels of dopamine and serotonin in the brain, which are hormones that regulate mood, behaviour, and thoughts.
Abilify can also cause tardive dyskinesia, which involves uncontrolled movements of the face, mouth, legs, arms, and torso. In rare cases, tardive dyskinesia may involve the muscles used for breathing, leading to difficulty breathing or rapid breathing. These symptoms may become permanent, so it is crucial to take the lowest effective dose of Abilify to manage this risk.
In addition to muscle spasms and twitching, Abilify may cause muscle stiffness, particularly when accompanied by a high fever and confusion. These symptoms could indicate neuroleptic malignant syndrome (NMS), a rare but life-threatening side effect of Abilify. If left untreated, NMS can result in death. Therefore, it is imperative to seek immediate medical attention if these symptoms develop while taking Abilify.
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Stiff muscles and neck spasms
Abilify (aripiprazole) is an antipsychotic medication that helps treat several mental health conditions, including schizophrenia, bipolar I disorder, autism spectrum disorder, and Tourette syndrome. It is known to cause muscle stiffness or spasms, which may be signs of extrapyramidal symptoms (EPS). Neck spasms are involuntary contractions of the neck muscles, and neck sprains and strains are the most common causes. However, more serious conditions can also cause spasms.
To relieve stiff muscles and neck spasms, it is recommended to stay hydrated by drinking plenty of water. Relaxing the muscles before intense contractions can help prevent or manage spasms. Stretching, relaxation techniques, and massages can also help relieve muscle tension. Additionally, pain medications, ice packs, and heating pads can provide symptomatic relief.
If neck spasms are severe, persistent, or accompanied by other symptoms such as numbness, difficulty moving limbs, or loss of control over bladder or bowels, it is important to seek medical attention. A healthcare provider can recommend treatments or further investigations, such as X-rays or CT scans, to determine the underlying cause and provide appropriate care.
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Neuroleptic malignant syndrome
Abilify (aripiprazole) is an antipsychotic medication that helps treat several mental health conditions, including schizophrenia, bipolar I disorder, autism spectrum disorder, and Tourette syndrome. It balances the levels of dopamine and serotonin in the brain to regulate mood, behavior, and thoughts.
NMS was first described in 1960 by French clinicians who observed its association with haloperidol, a typical antipsychotic. It has since been linked to various antipsychotics, including first-generation neuroleptic agents and atypical antipsychotics. Atypical antipsychotics associated with NMS include clozapine, olanzapine, risperidone, quetiapine, and ziprasidone. NMS has also been reported with the rapid withdrawal of dopaminergic medications, particularly those used for Parkinson's disease, such as levodopa and amantadine.
The mechanism by which antipsychotics cause NMS involves dopamine D2 receptor antagonism. Blockade of D2 receptors in the hypothalamus, nigrostriatal pathways, and spinal cord leads to increased muscle rigidity and tremors. Blockade of hypothalamic D2 receptors results in elevated temperature and impaired heat dissipation, contributing to fever. Nigrostriatal blockade causes muscular rigidity, and peripheral antipsychotic effects lead to increased calcium release, resulting in hyperthermia, rigidity, and muscle cell breakdown.
Abilify (aripiprazole) has been associated with several side effects, including muscle-related issues. Common side effects include muscle rigidity, muscle spasms, muscle twitching, and muscle stiffness. Less frequently, Abilify may cause muscle tightness, muscular weakness, and decreased mobility. In rare cases, abnormal blood creatine phosphokinase levels, muscle strain, and rhabdomyolysis (destruction of muscle tissue) have been reported. While not specifically mentioned, NMS could potentially occur with Abilify due to its dopamine-blocking properties, although it is not classified as a typical neuroleptic.
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Extrapyramidal symptoms (EPS)
Abilify (aripiprazole) is an antipsychotic medication that helps treat several kinds of mental health conditions, including schizophrenia, bipolar I disorder, autism spectrum disorder, and Tourette syndrome. It balances the levels of dopamine and serotonin in the brain to regulate mood, behavior, and thoughts.
The risk of EPS is increased among users of aripiprazole compared to non-users. Elderly females are more likely to develop drug-induced parkinsonism and tardive dyskinesia, while young ethnic males are more prone to dystonic reactions. The Barnes Akathisia Rating Scale (BARS) and Extrapyramidal Symptom Rating Scale (ESRS) are commonly used to measure akathisia, a symptom of EPS. On examination, patients with akathisia appear unable to sit, stand, or lie still, exhibiting frequent leg crossing and weight shifting.
Abilify has been associated with akathisia, causing involuntary leg movements and a compelling need to move. It may also induce tardive dyskinesia (TD), resulting in uncontrolled movements that individuals may not even be aware of. Additionally, Abilify has been linked to muscle weakness, muscle rigidity, muscle spasms, muscle tightness, and decreased mobility, which may be indicative of EPS.
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Allergic reactions
Abilify (Aripiprazole) is an antipsychotic medication used to treat several mental health conditions, including schizophrenia, bipolar I disorder, autism spectrum disorder, and Tourette syndrome. Like all medicines, Abilify can cause a range of side effects, including allergic reactions, which can vary from mild to severe. Here is some detailed information about allergic reactions associated with Abilify:
- Mild Allergic Reactions: These reactions are less severe and may include symptoms such as a mild skin rash or itching. If you experience a mild rash, contact your doctor immediately. They may recommend treatments to manage the symptoms and advise you on whether to continue taking Abilify.
- Severe Allergic Reactions: Severe allergic reactions to Abilify can be life-threatening and require immediate medical attention. Symptoms may include swelling of the face, lips, tongue, or throat, leading to difficulty breathing. If you experience any of these symptoms, call 911 or your local emergency number right away. Do not delay, as these reactions can be serious and require prompt medical intervention.
- Other Possible Symptoms: In addition to the typical symptoms of allergic reactions, Abilify may also cause other side effects. These can include high blood sugar (hyperglycemia), which is characterized by increased thirst, frequent urination, unusual weakness or fatigue, and blurry vision. Additionally, some people may experience a high fever, stiff muscles, increased sweating, a fast or irregular heartbeat, and confusion, which could be indicators of neuroleptic malignant syndrome.
- Risk Factors: It is important to note that the risk of allergic reactions to Abilify may vary depending on individual factors. In most cases, children taking Abilify experience similar side effects to adults. However, children may be more prone to certain side effects, such as weight gain, insomnia or drowsiness, and blurry vision. Additionally, Abilify has a boxed warning from the Food and Drug Administration (FDA) regarding the risk of suicidal thoughts and behaviours, particularly in people under 25 years old.
If you experience any unusual symptoms or side effects while taking Abilify, it is always best to consult your doctor or healthcare provider for personalized advice and guidance. They can help manage any adverse effects and determine if any adjustments to your medication are necessary.
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Frequently asked questions
Abilify (aripiprazole) is an antipsychotic medication that helps treat several mental health conditions, including schizophrenia, bipolar I disorder, autism spectrum disorder, and Tourette syndrome.
Muscle weakness is a rare side effect of Abilify, occurring in 0.1% to 1% of patients. However, muscle stiffness, spasms, and twitching are more common side effects, affecting 1% to 10% of patients.
Common side effects of Abilify include blurred vision, dry eyes, weight gain, drowsiness, insomnia, sexual side effects, akathisia, and allergic reactions. Rare but serious side effects include neuroleptic malignant syndrome (NMS), seizures, suicidal thoughts or actions, and blood disorders.
If you experience muscle weakness or any other side effects while taking Abilify, consult your doctor or healthcare provider. They may suggest adjustments to your dosage or recommend other medications to help manage your symptoms.
Yes, there are alternative medications in the same class as Abilify that may have different side effect profiles. Your doctor can help you explore other treatment options and make a decision based on your individual needs and preferences.














