
Abilify (aripiprazole) is an antipsychotic medication used to treat several mental health conditions. While it can be an effective treatment, it also has a range of side effects, some of which are mild and temporary, and some of which are more serious. One of the more common side effects is akathisia, which can cause restlessness and an inability to sit still. This can lead to muscle twitching and involuntary leg movements. In rare cases, Abilify can cause neuroleptic malignant syndrome (NMS), a life-threatening condition characterised by high fever, muscle stiffness, and confusion. It is important to be aware of the potential side effects of any medication and to seek medical advice if any symptoms occur or if you have any concerns.
| Characteristics | Values |
|---|---|
| Muscle Pain | Back pain, arthralgia, musculoskeletal pain, myalgia, pain in extremity, muscle rigidity, muscle spasms, muscle tightness, muscle twitching, muscle strain, muscular weakness, neck muscle spasms, neck pain, radius fracture, rotator cuff |
| Other Side Effects | Weight gain, drowsiness, trouble sleeping, blurry vision, dry eyes, increased blood sugar, sexual side effects, akathisia, tardive dyskinesia, neuroleptic malignant syndrome, allergic reactions, low white blood cell levels, decreased alertness or coordination, seizures, suicidal thoughts or actions, dystonia |
| Frequency | Common (1% to 10%), Uncommon (0.1% to 1%), Frequency not reported |
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What You'll Learn

Muscle spasms and twitching
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 it can be an effective treatment, it may also cause various side effects, including muscle spasms and twitching.
The muscle spasms caused by Abilify can vary in intensity and frequency. Some individuals may experience occasional twitches or jerks, while others may have more persistent or pronounced spasms. In some cases, these spasms can interfere with an individual's movement and coordination, leading to a shuffling walk or a loss of balance.
Additionally, Abilify may also cause a condition known as akathisia, which is characterised by a compelling urge to move. This can manifest as restless leg syndrome or an inability to sit still. Akathisia can be differentiated from other forms of EPS as it often involves a conscious awareness of the need to move, whereas tardive dyskinesia, another potential side effect of Abilify, involves uncontrolled movements that an individual may not realise are occurring.
If you are experiencing muscle spasms or twitching while taking Abilify, it is important to consult your healthcare provider. They may recommend adjusting your dosage or switching to a different medication. In some cases, they may also suggest additional medications to help manage these side effects. It is important to remember that everyone's experience with Abilify is unique, and the occurrence and severity of side effects can vary.
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Neuroleptic malignant syndrome (NMS)
NMS typically presents with "lead pipe rigidity", where muscles are stiffened and resistance is observed throughout the range of motion. Other symptoms include uncontrolled changes in heart rate, blood pressure, or breathing, along with confusion. NMS may also manifest as catatonia, where the person is unresponsive to stimuli. It is important to note that NMS can be challenging to differentiate from other neurological disorders, and immediate medical attention is crucial as it has a high mortality rate of 10-20%.
The first step in treating NMS is to discontinue the offending medication and manage the hyperthermia with cooling methods. Pharmacological therapy may be required in severe cases, and medications like bromocriptine mesylate (a dopamine agonist) and dantrolene sodium (a muscle relaxant) are often used. NMS can recur, so doctors closely monitor patients for any signs of its return. The longer the interval between discontinuing the triggering medication and reintroducing antipsychotic drugs, the lower the chances of NMS reoccurring.
NMS was first described in 1960 by French clinicians studying the side effects of haloperidol. It is a rare but dangerous effect of antipsychotic drugs, and its incidence is decreasing due to newer agents that are less likely to cause it. Most cases occur in young adults, likely because this is the age group that is typically first exposed to neuroleptic medications.
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Sexual side effects
Abilify (aripiprazole) is an antipsychotic medication that can cause sexual side effects in some people. While it is less likely to cause sexual side effects compared to other antipsychotics, it can still lead to issues such as erectile dysfunction and low sex drive. In rare cases, Abilify may cause hypersexuality, which is an overactive sex drive that can negatively impact daily life and personal relationships.
The exact mechanism by which Abilify causes sexual side effects is not fully understood. It is believed that Abilify's effects on the hormone prolactin may play a role, as antipsychotic medications are known to decrease dopamine levels and increase prolactin levels, which can reduce libido. Additionally, the dosage of Abilify may also affect the likelihood of experiencing sexual side effects, with higher doses potentially increasing the risk.
If you are experiencing bothersome sexual side effects while taking Abilify, it is important to consult your doctor or prescriber. They may suggest lowering your dosage or recommend other medications to help manage these side effects. It is important to remember that discontinuing antipsychotic medication without medical advice can lead to worsening mental health symptoms.
In some cases, Abilify has been reported to cause hypersexuality and changes in sexual orientation. These side effects are rare but can be significant enough to lead to discontinuation of the medication. However, it is worth noting that the patient's original antipsychotic medication may also have contributed to these side effects.
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Allergic reactions
Abilify (aripiprazole) is an antipsychotic medication that can cause allergic reactions, which can range from mild to severe. While mild allergic reactions may manifest as a mild rash, severe allergic reactions can be life-threatening and require immediate medical attention. Here are some detailed instructions on how to recognise and manage allergic reactions associated with Abilify:
Recognising Mild Allergic Reactions
A mild allergic reaction to Abilify may present as a mild rash. This reaction is typically not life-threatening, but it is important to contact your doctor right away. They may suggest a treatment to manage the symptoms and advise you on whether to continue taking Abilify.
Recognising Severe Allergic Reactions
Severe allergic reactions to Abilify can be serious and life-threatening. Symptoms may include swelling of the face, lips, tongue, or throat, as well as trouble breathing. These symptoms warrant an immediate emergency medical response. Call 911 or your local emergency number right away if you experience any of these symptoms.
Managing Allergic Reactions
If you experience a mild allergic reaction, such as a mild rash, your doctor may recommend treatments or medications to manage the symptoms. They will also advise you on whether to continue or discontinue Abilify. In cases of severe allergic reactions, immediate medical intervention is necessary. Emergency medical services should be contacted, and subsequent treatment will be tailored to addressing the specific symptoms and stabilising your condition.
Preventing Allergic Reactions
To minimise the risk of allergic reactions, it is essential to follow your doctor's instructions when taking Abilify. Do not change your dosage or discontinue the medication without consulting your doctor first. Additionally, avoid taking other medications, including prescription, over-the-counter, and herbal supplements, without your doctor's approval.
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Extrapyramidal symptoms (EPS)
Abilify (aripiprazole) is an atypical antipsychotic with partial agonist activity on the dopamine-2 (D2) receptor. While Abilify has a lower risk of causing extrapyramidal symptoms (EPS) compared to other antipsychotics, it can still lead to these side effects in some individuals.
EPS are drug-induced movement disorders caused by the blockade of dopamine receptors, specifically the D2 receptors, in the brain by antipsychotic medications. The nigrostriatal dopamine tracts are blocked, resulting in increased cholinergic activity, which leads to the various symptoms of EPS. These symptoms can include acute dystonia, acute akathisia, antipsychotic-induced parkinsonism, tardive dyskinesia (TD), tardive dystonia, and tardive akathisia.
Akathisia is the most common EPS associated with Abilify, causing restlessness and an inability to sit still. It can be mistaken for anxiety or agitation, but it is typically not dangerous. TD is another potential side effect, characterized by uncontrolled movements of the legs, arms, and torso. Rarely, TD may involve the muscles used for breathing, leading to rapid breathing or breathing difficulties. In some cases, TD symptoms may become permanent, so it is crucial to take the lowest effective dose of Abilify to minimize this risk.
The risk of EPS with Abilify use has been studied, and it was found that compared to non-users, Abilify users had a higher risk of developing EPS. This risk increased with a higher number of prescriptions, with those receiving more than four prescriptions having a notably higher odds ratio for EPS.
While rare, Abilify can also cause neuroleptic malignant syndrome (NMS), a life-threatening side effect characterized by high fever, stiff muscles, confusion, and uncontrolled changes in heart rate, blood pressure, or breathing. If NMS symptoms develop, immediate medical attention is required as leaving it untreated can result in death.
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Frequently asked questions
Muscle pain is a common side effect of Abilify, with up to 10% of users experiencing musculoskeletal pain and stiffness.
Other common side effects of Abilify include weight gain, drowsiness, insomnia, blurry vision, dry mouth, and nausea. Less commonly, Abilify can cause sexual side effects, akathisia, and tardive dyskinesia.
Abilify can cause serious side effects such as allergic reactions, neuroleptic malignant syndrome (NMS), and suicidal thoughts or actions. If you experience any of these side effects, seek immediate medical attention.
If you experience muscle pain or any other side effects while taking Abilify, consult your doctor or healthcare provider. They may suggest treatments or adjustments to your medication to help manage your symptoms.














