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Published on: 9/22/2026
Common Abilify (aripiprazole) side effects include nausea, vomiting, constipation, headache, dizziness, drowsiness or trouble sleeping, restlessness (akathisia), tremor, blurred vision, and weight gain, and many ease as your body adjusts. Warning signs that need prompt medical attention include uncontrollable muscle movements, high fever with stiff muscles and confusion, fainting, seizures, signs of high blood sugar such as extreme thirst and frequent urination, compulsive gambling or spending, allergic reactions, and new or worsening suicidal thoughts. Because dosage, age, other medications, and existing conditions all change your personal risk, there are several important factors to consider before deciding whether to wait it out or call your prescriber, which you can review below. If you are unsure whether what you feel is a mild adjustment effect or something more serious, a free, instant, online symptom check can help you organize your symptoms in minutes and see which ones warrant urgent care. It is a fast, private way to walk into your next appointment with clear information and better questions, so you get answers sooner instead of guessing.
Last reviewed for medical accuracy: 09/22/2026
Abilify Side Effects: What to Expect and When to Seek Help
Abilify (aripiprazole) is an antipsychotic medication used to treat conditions such as schizophrenia, bipolar disorder, major depressive disorder (as an add-on), and irritability linked to autism. Like all medications, Abilify side effects can range from mild and manageable to serious and potentially life-threatening. Understanding what’s common and what requires medical attention can help you stay informed and safe.
Many people taking Abilify experience mild to moderate side effects, especially in the first few weeks as the body adjusts. These often improve over time or with dose adjustments.
• Headache
• Nausea or upset stomach
• Drowsiness or fatigue
• Insomnia or trouble sleeping
• Anxiety or restlessness
• Dizziness or lightheadedness (especially when standing up quickly)
• Constipation
• Dry mouth
• Weight gain (usually modest)
• Increased appetite
Tips for managing mild side effects:
If these side effects persist beyond a few weeks or interfere with daily life, discuss dose adjustments or timing changes with your doctor.
Some Abilify side effects are less common but more serious. Contact your healthcare provider immediately if you experience any of the following:
A rare but life-threatening reaction that can develop within days to weeks. Symptoms include:
Especially in young adults under 25, new or worsening depression, suicidal ideation, or unusual changes in mood/behavior require immediate evaluation.
What to do: If you or someone around you notices these warning signs, call your doctor right away or go to the nearest emergency department.
Though uncommon, the following reactions can occur:
• Severe allergic reactions (anaphylaxis): rash, itching/swelling (especially of the face, tongue, throat), severe dizziness, trouble breathing.
• Severe infection risk: Abilify may lower white blood cell counts (agranulocytosis), leading to fever, sore throat, or other signs of infection.
• Seizures: new-onset seizures or convulsions—especially in people with a history of epilepsy.
If you develop any signs of allergy, infection, or seizures, seek medical attention immediately.
To reduce risk and catch serious side effects early:
Do not stop Abilify abruptly without consulting your doctor. Sudden discontinuation can cause withdrawal symptoms like insomnia, nausea, dizziness, or return of psychotic symptoms. Your doctor can guide a gradual tapering schedule if discontinuation is appropriate.
If you’re unsure whether a side effect is serious, consider a free, online symptom check, using the doctor approved Ubie Symptom Checker. This quick, user-friendly tool can help you decide if you need immediate care or if a routine doctor’s visit will suffice.
Always keep your healthcare provider informed about:
Your doctor can adjust your dose, switch medications, or offer strategies to manage side effects safely.
Abilify can be highly effective for many people, but understanding abilify side effects is key to using it safely. Most side effects are mild and improve with time, but some require urgent medical attention. By staying informed, monitoring your reactions, and maintaining open communication with your healthcare team, you can get the benefits of Abilify while minimizing risks.
If you ever experience anything life-threatening or severe, seek emergency care or contact your doctor immediately. For all other questions about abilify side effects, don’t hesitate to speak to a doctor—your health and safety come first.
(References)
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* Chen A, Copeli F, Metzger E, Cloutier A, Osser DN. The Psychopharmacology Algorithm Project at the Harvard South Shore Program: An update on management of behavioral and psychological symptoms in dementia. Psychiatry Res. 2021 Jan;295:113641. doi: 10.1016/j.psychres.2020.113641. Epub 2020 Dec 13. PMID: 33340800.
* Nikogosyan G, Orias D, Goebert D, Takeshita J, Wang M. Acute Aripiprazole-Associated Liver Injury. J Clin Psychopharmacol. 2021 May-Jun 01;41(3):344-346. doi: 10.1097/JCP.0000000000001372. PMID: 33734168.
* Jha MK, Mathew SJ. Pharmacotherapies for Treatment-Resistant Depression: How Antipsychotics Fit in the Rapidly Evolving Therapeutic Landscape. Am J Psychiatry. 2023 Mar 1;180(3):190-199. doi: 10.1176/appi.ajp.20230025. PMID: 36855876.
* Lü W, Liu F, Zhang Y, He X, Hu Y, Xu H, Yang X, Li J, Kuang W. Efficacy, acceptability and tolerability of second-generation antipsychotics for behavioural and psychological symptoms of dementia: a systematic review and network meta-analysis. BMJ Ment Health. 2024 Jul 30;27(1). doi: 10.1136/bmjment-2024-301019. Epub 2024 Jul 30. PMID: 39079887; PMCID: PMC11293415.
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